/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:28:25,757 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 17:28:25,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 17:28:25,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 17:28:25,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 17:28:25,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 17:28:25,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 17:28:25,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 17:28:25,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 17:28:25,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 17:28:25,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:28:25,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:28:25,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:28:25,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:28:25,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:28:25,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:28:25,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:28:25,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:28:25,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:28:25,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:28:25,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:28:25,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:28:25,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 17:28:25,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 17:28:25,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:28:25,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:28:25,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:28:25,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:28:25,836 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:28:25,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:28:25,837 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:28:25,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:28:25,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:28:25,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:28:25,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:28:25,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:28:25,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:28:25,838 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:28:25,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:28:25,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:28:25,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:28:25,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:28:25,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:28:25,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:28:25,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:28:25,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:28:25,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:28:25,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:28:25,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:28:25,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:28:25,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:25,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:28:25,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:28:25,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 17:28:26,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:28:26,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:28:26,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:28:26,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:28:26,195 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:28:26,196 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-07-20 17:28:26,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd950553/6bd551bfef6247a39b02d9cf7efdeb45/FLAGb5ef59212 [2020-07-20 17:28:26,919 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:28:26,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-07-20 17:28:26,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd950553/6bd551bfef6247a39b02d9cf7efdeb45/FLAGb5ef59212 [2020-07-20 17:28:27,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd950553/6bd551bfef6247a39b02d9cf7efdeb45 [2020-07-20 17:28:27,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:28:27,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:28:27,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:28:27,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:28:27,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:28:27,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:28:27" (1/1) ... [2020-07-20 17:28:27,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba77080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27, skipping insertion in model container [2020-07-20 17:28:27,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:28:27" (1/1) ... [2020-07-20 17:28:27,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:28:27,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:28:27,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:28:27,684 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:28:27,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:28:27,926 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:28:27,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27 WrapperNode [2020-07-20 17:28:27,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:28:27,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:28:27,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:28:27,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:28:27,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27" (1/1) ... [2020-07-20 17:28:27,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27" (1/1) ... [2020-07-20 17:28:27,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27" (1/1) ... [2020-07-20 17:28:27,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27" (1/1) ... [2020-07-20 17:28:28,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27" (1/1) ... [2020-07-20 17:28:28,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27" (1/1) ... [2020-07-20 17:28:28,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27" (1/1) ... [2020-07-20 17:28:28,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:28:28,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:28:28,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:28:28,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:28:28,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:28:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:28:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:28:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 17:28:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:28:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 17:28:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:28:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:28:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:28:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:28:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:28:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:28:29,423 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:28:29,423 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:28:29,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:28:29 BoogieIcfgContainer [2020-07-20 17:28:29,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:28:29,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:28:29,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:28:29,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:28:29,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:28:27" (1/3) ... [2020-07-20 17:28:29,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30795e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:28:29, skipping insertion in model container [2020-07-20 17:28:29,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:27" (2/3) ... [2020-07-20 17:28:29,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30795e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:28:29, skipping insertion in model container [2020-07-20 17:28:29,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:28:29" (3/3) ... [2020-07-20 17:28:29,454 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-07-20 17:28:29,466 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:28:29,482 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:28:29,497 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:28:29,536 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:28:29,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:28:29,537 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:28:29,537 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:28:29,537 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:28:29,537 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:28:29,538 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:28:29,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:28:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 17:28:29,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-20 17:28:29,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:29,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:29,576 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:29,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:29,582 INFO L82 PathProgramCache]: Analyzing trace with hash -777531634, now seen corresponding path program 1 times [2020-07-20 17:28:29,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:29,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104669322] [2020-07-20 17:28:29,593 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:29,801 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:29,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:29,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:28:29,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:28:29,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:29,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104669322] [2020-07-20 17:28:29,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:29,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:29,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431494005] [2020-07-20 17:28:29,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:29,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:29,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:29,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:29,951 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 17:28:31,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:31,037 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-20 17:28:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:31,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-07-20 17:28:31,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:31,071 INFO L225 Difference]: With dead ends: 619 [2020-07-20 17:28:31,071 INFO L226 Difference]: Without dead ends: 321 [2020-07-20 17:28:31,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:31,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-20 17:28:31,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-20 17:28:31,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 17:28:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-20 17:28:31,201 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 110 [2020-07-20 17:28:31,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:31,203 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-20 17:28:31,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-20 17:28:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-20 17:28:31,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:31,217 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:31,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:31,433 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:31,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:31,434 INFO L82 PathProgramCache]: Analyzing trace with hash -518810049, now seen corresponding path program 1 times [2020-07-20 17:28:31,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:31,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545299189] [2020-07-20 17:28:31,436 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:31,587 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:31,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:31,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:31,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:31,666 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 17:28:31,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:31,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545299189] [2020-07-20 17:28:31,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:31,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:31,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876286335] [2020-07-20 17:28:31,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:31,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:31,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:31,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:31,671 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 3 states. [2020-07-20 17:28:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:32,390 INFO L93 Difference]: Finished difference Result 782 states and 1068 transitions. [2020-07-20 17:28:32,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:32,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-07-20 17:28:32,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:32,395 INFO L225 Difference]: With dead ends: 782 [2020-07-20 17:28:32,396 INFO L226 Difference]: Without dead ends: 469 [2020-07-20 17:28:32,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:32,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-20 17:28:32,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2020-07-20 17:28:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-07-20 17:28:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 600 transitions. [2020-07-20 17:28:32,419 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 600 transitions. Word has length 119 [2020-07-20 17:28:32,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:32,420 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 600 transitions. [2020-07-20 17:28:32,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 600 transitions. [2020-07-20 17:28:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-20 17:28:32,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:32,423 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, 1, 1, 1] [2020-07-20 17:28:32,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:32,636 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:32,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:32,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1290355991, now seen corresponding path program 1 times [2020-07-20 17:28:32,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:32,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749612096] [2020-07-20 17:28:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:32,755 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:32,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:32,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 17:28:32,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 17:28:32,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 17:28:32,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749612096] [2020-07-20 17:28:32,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:28:32,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-07-20 17:28:32,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347325958] [2020-07-20 17:28:32,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 17:28:32,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:32,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 17:28:32,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:28:32,939 INFO L87 Difference]: Start difference. First operand 469 states and 600 transitions. Second operand 4 states. [2020-07-20 17:28:33,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:33,683 INFO L93 Difference]: Finished difference Result 1386 states and 1800 transitions. [2020-07-20 17:28:33,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 17:28:33,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-07-20 17:28:33,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:33,692 INFO L225 Difference]: With dead ends: 1386 [2020-07-20 17:28:33,692 INFO L226 Difference]: Without dead ends: 923 [2020-07-20 17:28:33,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 254 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:28:33,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-07-20 17:28:33,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 923. [2020-07-20 17:28:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2020-07-20 17:28:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1177 transitions. [2020-07-20 17:28:33,730 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1177 transitions. Word has length 131 [2020-07-20 17:28:33,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:33,731 INFO L479 AbstractCegarLoop]: Abstraction has 923 states and 1177 transitions. [2020-07-20 17:28:33,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 17:28:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1177 transitions. [2020-07-20 17:28:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-20 17:28:33,736 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:33,736 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, 1, 1, 1] [2020-07-20 17:28:33,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:33,951 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:33,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:33,951 INFO L82 PathProgramCache]: Analyzing trace with hash 379297220, now seen corresponding path program 1 times [2020-07-20 17:28:33,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:33,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745660610] [2020-07-20 17:28:33,953 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:34,113 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:34,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:34,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:34,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 17:28:34,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:34,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745660610] [2020-07-20 17:28:34,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:34,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:34,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695670336] [2020-07-20 17:28:34,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:34,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:34,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:34,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:34,186 INFO L87 Difference]: Start difference. First operand 923 states and 1177 transitions. Second operand 3 states. [2020-07-20 17:28:34,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:34,977 INFO L93 Difference]: Finished difference Result 2130 states and 2809 transitions. [2020-07-20 17:28:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:34,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-20 17:28:34,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:34,987 INFO L225 Difference]: With dead ends: 2130 [2020-07-20 17:28:34,987 INFO L226 Difference]: Without dead ends: 1213 [2020-07-20 17:28:34,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:35,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-07-20 17:28:35,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1211. [2020-07-20 17:28:35,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1211 states. [2020-07-20 17:28:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1581 transitions. [2020-07-20 17:28:35,059 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1581 transitions. Word has length 139 [2020-07-20 17:28:35,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:35,060 INFO L479 AbstractCegarLoop]: Abstraction has 1211 states and 1581 transitions. [2020-07-20 17:28:35,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1581 transitions. [2020-07-20 17:28:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 17:28:35,069 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:35,069 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:35,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:35,283 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:35,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:35,284 INFO L82 PathProgramCache]: Analyzing trace with hash 2035563450, now seen corresponding path program 1 times [2020-07-20 17:28:35,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:35,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518437863] [2020-07-20 17:28:35,285 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:35,401 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:35,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:35,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 17:28:35,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 17:28:35,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:35,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518437863] [2020-07-20 17:28:35,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:35,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:28:35,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231303522] [2020-07-20 17:28:35,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:28:35,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:35,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:28:35,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:28:35,497 INFO L87 Difference]: Start difference. First operand 1211 states and 1581 transitions. Second operand 5 states. [2020-07-20 17:28:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:36,447 INFO L93 Difference]: Finished difference Result 3660 states and 5049 transitions. [2020-07-20 17:28:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 17:28:36,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-07-20 17:28:36,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:36,468 INFO L225 Difference]: With dead ends: 3660 [2020-07-20 17:28:36,469 INFO L226 Difference]: Without dead ends: 2455 [2020-07-20 17:28:36,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 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 17:28:36,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2020-07-20 17:28:36,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2423. [2020-07-20 17:28:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2423 states. [2020-07-20 17:28:36,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 3126 transitions. [2020-07-20 17:28:36,566 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 3126 transitions. Word has length 145 [2020-07-20 17:28:36,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:36,567 INFO L479 AbstractCegarLoop]: Abstraction has 2423 states and 3126 transitions. [2020-07-20 17:28:36,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:28:36,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 3126 transitions. [2020-07-20 17:28:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-20 17:28:36,576 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:36,576 INFO L422 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:36,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:36,790 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:36,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:36,791 INFO L82 PathProgramCache]: Analyzing trace with hash -553887348, now seen corresponding path program 1 times [2020-07-20 17:28:36,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:36,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130765928] [2020-07-20 17:28:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:36,912 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:36,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:36,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:36,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 17:28:37,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 17:28:37,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130765928] [2020-07-20 17:28:37,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:37,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 17:28:37,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139937859] [2020-07-20 17:28:37,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:28:37,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:37,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:28:37,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:28:37,101 INFO L87 Difference]: Start difference. First operand 2423 states and 3126 transitions. Second operand 6 states. [2020-07-20 17:28:38,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:38,033 INFO L93 Difference]: Finished difference Result 5334 states and 6896 transitions. [2020-07-20 17:28:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:28:38,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2020-07-20 17:28:38,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:38,049 INFO L225 Difference]: With dead ends: 5334 [2020-07-20 17:28:38,049 INFO L226 Difference]: Without dead ends: 2608 [2020-07-20 17:28:38,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:28:38,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2020-07-20 17:28:38,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2600. [2020-07-20 17:28:38,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2600 states. [2020-07-20 17:28:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3064 transitions. [2020-07-20 17:28:38,186 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3064 transitions. Word has length 168 [2020-07-20 17:28:38,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:38,186 INFO L479 AbstractCegarLoop]: Abstraction has 2600 states and 3064 transitions. [2020-07-20 17:28:38,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:28:38,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3064 transitions. [2020-07-20 17:28:38,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 17:28:38,193 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:38,194 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 17:28:38,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:38,409 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:38,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:38,410 INFO L82 PathProgramCache]: Analyzing trace with hash 496219156, now seen corresponding path program 1 times [2020-07-20 17:28:38,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:38,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364728289] [2020-07-20 17:28:38,411 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:38,543 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:38,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:38,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:28:38,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 17:28:38,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 66 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 17:28:38,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364728289] [2020-07-20 17:28:38,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:38,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:28:38,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66492240] [2020-07-20 17:28:38,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:28:38,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:38,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:28:38,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:28:38,694 INFO L87 Difference]: Start difference. First operand 2600 states and 3064 transitions. Second operand 7 states. [2020-07-20 17:28:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:40,203 INFO L93 Difference]: Finished difference Result 7158 states and 8401 transitions. [2020-07-20 17:28:40,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:28:40,204 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-07-20 17:28:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:40,227 INFO L225 Difference]: With dead ends: 7158 [2020-07-20 17:28:40,227 INFO L226 Difference]: Without dead ends: 4412 [2020-07-20 17:28:40,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:28:40,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2020-07-20 17:28:40,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4403. [2020-07-20 17:28:40,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4403 states. [2020-07-20 17:28:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 5049 transitions. [2020-07-20 17:28:40,357 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 5049 transitions. Word has length 172 [2020-07-20 17:28:40,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:40,357 INFO L479 AbstractCegarLoop]: Abstraction has 4403 states and 5049 transitions. [2020-07-20 17:28:40,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:28:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 5049 transitions. [2020-07-20 17:28:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-20 17:28:40,370 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:40,371 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:28:40,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:40,584 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:40,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:40,585 INFO L82 PathProgramCache]: Analyzing trace with hash -2088565163, now seen corresponding path program 1 times [2020-07-20 17:28:40,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:40,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024964452] [2020-07-20 17:28:40,585 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:40,730 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:40,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:40,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:40,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:40,786 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 17:28:40,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 138 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-07-20 17:28:40,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024964452] [2020-07-20 17:28:40,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:40,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:28:40,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305423483] [2020-07-20 17:28:40,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:28:40,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:40,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:28:40,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:28:40,986 INFO L87 Difference]: Start difference. First operand 4403 states and 5049 transitions. Second operand 7 states. [2020-07-20 17:28:42,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:42,341 INFO L93 Difference]: Finished difference Result 9201 states and 10570 transitions. [2020-07-20 17:28:42,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 17:28:42,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-07-20 17:28:42,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:42,362 INFO L225 Difference]: With dead ends: 9201 [2020-07-20 17:28:42,362 INFO L226 Difference]: Without dead ends: 3920 [2020-07-20 17:28:42,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:28:42,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2020-07-20 17:28:42,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3920. [2020-07-20 17:28:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-07-20 17:28:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4347 transitions. [2020-07-20 17:28:42,476 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4347 transitions. Word has length 220 [2020-07-20 17:28:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:42,476 INFO L479 AbstractCegarLoop]: Abstraction has 3920 states and 4347 transitions. [2020-07-20 17:28:42,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:28:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4347 transitions. [2020-07-20 17:28:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-20 17:28:42,489 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:42,490 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-07-20 17:28:42,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:42,706 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:42,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:42,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1817129599, now seen corresponding path program 1 times [2020-07-20 17:28:42,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:42,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851570090] [2020-07-20 17:28:42,707 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:42,884 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:42,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:42,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:42,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-07-20 17:28:43,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 147 proven. 26 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-07-20 17:28:43,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851570090] [2020-07-20 17:28:43,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:43,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:28:43,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838497555] [2020-07-20 17:28:43,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:28:43,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:43,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:28:43,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:28:43,167 INFO L87 Difference]: Start difference. First operand 3920 states and 4347 transitions. Second operand 7 states. [2020-07-20 17:28:43,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:43,707 INFO L93 Difference]: Finished difference Result 6785 states and 7551 transitions. [2020-07-20 17:28:43,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 17:28:43,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-07-20 17:28:43,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:43,729 INFO L225 Difference]: With dead ends: 6785 [2020-07-20 17:28:43,729 INFO L226 Difference]: Without dead ends: 3159 [2020-07-20 17:28:43,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 462 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:28:43,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2020-07-20 17:28:43,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3013. [2020-07-20 17:28:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3013 states. [2020-07-20 17:28:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 3275 transitions. [2020-07-20 17:28:43,829 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 3275 transitions. Word has length 234 [2020-07-20 17:28:43,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:43,829 INFO L479 AbstractCegarLoop]: Abstraction has 3013 states and 3275 transitions. [2020-07-20 17:28:43,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:28:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 3275 transitions. [2020-07-20 17:28:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-07-20 17:28:43,842 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:43,842 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:44,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:44,058 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:44,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:44,059 INFO L82 PathProgramCache]: Analyzing trace with hash 56924203, now seen corresponding path program 1 times [2020-07-20 17:28:44,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:44,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057697337] [2020-07-20 17:28:44,060 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:44,207 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:44,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:44,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:28:44,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-07-20 17:28:44,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:44,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057697337] [2020-07-20 17:28:44,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:44,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:44,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512127267] [2020-07-20 17:28:44,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:44,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:44,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:44,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:44,300 INFO L87 Difference]: Start difference. First operand 3013 states and 3275 transitions. Second operand 3 states. [2020-07-20 17:28:44,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:44,788 INFO L93 Difference]: Finished difference Result 4803 states and 5215 transitions. [2020-07-20 17:28:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:44,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2020-07-20 17:28:44,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:44,790 INFO L225 Difference]: With dead ends: 4803 [2020-07-20 17:28:44,790 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:28:44,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:44,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:28:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:28:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:28:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:28:44,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2020-07-20 17:28:44,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:44,801 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:28:44,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:28:44,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:28:45,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:45,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:28:47,007 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2020-07-20 17:28:47,461 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-07-20 17:28:47,783 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-07-20 17:28:47,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:28:47,789 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|)) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2020-07-20 17:28:47,789 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:28:47,789 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,789 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,790 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,790 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,790 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,790 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 17:28:47,790 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 17:28:47,790 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 17:28:47,791 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 17:28:47,791 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 17:28:47,791 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 17:28:47,791 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 17:28:47,791 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 17:28:47,791 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 17:28:47,791 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 17:28:47,791 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 17:28:47,792 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 17:28:47,793 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 17:28:47,793 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 17:28:47,793 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 17:28:47,793 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 17:28:47,793 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 17:28:47,793 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 17:28:47,793 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 17:28:47,793 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 17:28:47,793 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 17:28:47,794 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 17:28:47,794 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 17:28:47,794 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,794 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,794 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,794 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,794 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,795 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2020-07-20 17:28:47,795 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 17:28:47,795 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 17:28:47,795 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 17:28:47,795 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 17:28:47,795 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 17:28:47,795 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 17:28:47,795 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 17:28:47,795 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 17:28:47,796 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 17:28:47,796 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 17:28:47,796 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 17:28:47,796 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,796 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,796 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,796 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,796 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 17:28:47,797 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 17:28:47,798 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 17:28:47,798 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,798 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,798 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,798 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,798 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,798 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 17:28:47,798 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 17:28:47,799 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 17:28:47,800 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 17:28:47,801 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 17:28:47,801 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,801 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,801 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 17:28:47,801 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 17:28:47,801 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 17:28:47,801 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 17:28:47,801 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 17:28:47,802 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 17:28:47,802 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 17:28:47,802 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 17:28:47,802 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 17:28:47,802 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 17:28:47,802 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 17:28:47,802 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,802 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,803 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,803 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,803 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,803 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,803 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 17:28:47,803 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 17:28:47,803 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 17:28:47,803 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 17:28:47,803 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 17:28:47,804 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 17:28:47,804 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 17:28:47,804 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 17:28:47,804 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 17:28:47,804 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 17:28:47,804 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 17:28:47,804 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,804 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,805 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,805 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,805 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,805 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,805 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 17:28:47,805 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 17:28:47,805 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 17:28:47,805 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 17:28:47,805 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 17:28:47,806 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 17:28:47,806 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 17:28:47,806 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 17:28:47,806 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 17:28:47,806 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 17:28:47,806 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 17:28:47,806 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 17:28:47,806 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 17:28:47,806 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 17:28:47,807 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,807 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,807 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,807 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (<= ~a11~0 0)) (.cse22 (< 0 |old(~a11~0)|))) (let ((.cse6 (not (= 1 |old(~a25~0)|))) (.cse12 (= 1 ~a25~0)) (.cse21 (not (<= |old(~a28~0)| 7))) (.cse14 (<= ~a17~0 8)) (.cse15 (<= 8 ~a17~0)) (.cse23 (not (= 1 ~a11~0))) (.cse20 (or .cse0 .cse22)) (.cse24 (<= ~a28~0 10)) (.cse17 (= 1 |old(~a11~0)|)) (.cse2 (not (<= 8 |old(~a17~0)|))) (.cse3 (not (<= |old(~a17~0)| 8))) (.cse13 (not (= 1 |old(~a19~0)|))) (.cse18 (not (<= 10 |old(~a28~0)|))) (.cse19 (<= 10 ~a28~0)) (.cse1 (not (<= |old(~a28~0)| 10))) (.cse8 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= ~a28~0 |old(~a28~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse11 (<= 9 ~a28~0)) (.cse16 (= ~a25~0 |old(~a25~0)|)) (.cse5 (not (<= 9 |old(~a28~0)|))) (.cse7 (not (<= |old(~a17~0)| 7))) (.cse4 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 (and .cse8 .cse9 .cse10 .cse11 .cse12)) (or .cse13 .cse1 .cse5 .cse2 (and .cse9 .cse14 .cse15 .cse10 .cse11 .cse16) .cse3) (or .cse1 .cse17 .cse6 .cse18 .cse19 .cse3) (or .cse13 (and .cse8 .cse9 .cse20 .cse10 .cse16) .cse7) (or .cse13 .cse21 (and .cse0 .cse9 .cse10 .cse12) .cse6 .cse4) (or .cse13 .cse17 .cse2 .cse6 .cse18 (and (or (and .cse9 .cse14 .cse15 .cse19 .cse22 .cse10 .cse12) (and .cse0 .cse9 .cse14 .cse15 .cse19 .cse10 .cse12)) .cse23) .cse3) (or .cse21 .cse2 .cse3 (and .cse9 .cse14 .cse15 .cse10 .cse16)) (or .cse1 .cse17 .cse2 .cse3 (and .cse9 .cse14 .cse15 .cse23 .cse10 .cse16)) (or .cse1 .cse7 (and .cse8 .cse24 .cse19 .cse10 .cse16) .cse18) (or .cse13 (and .cse20 .cse24 .cse19 .cse10) .cse1 .cse18) (or .cse1 .cse5 .cse17 .cse2 .cse3 .cse11) (or .cse13 .cse7 .cse18 .cse19) (or .cse1 (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse16) .cse5 .cse7 .cse4)))) [2020-07-20 17:28:47,807 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 17:28:47,808 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 17:28:47,809 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 17:28:47,809 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 17:28:47,809 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 17:28:47,809 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 17:28:47,809 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 17:28:47,809 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,809 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,809 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,809 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,810 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,810 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,810 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 17:28:47,810 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 17:28:47,810 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 17:28:47,810 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 17:28:47,810 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 17:28:47,810 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 17:28:47,810 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 17:28:47,811 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 17:28:47,811 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 17:28:47,811 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 17:28:47,811 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 17:28:47,811 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 17:28:47,811 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 17:28:47,811 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 17:28:47,811 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 17:28:47,811 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 17:28:47,812 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,812 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,812 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,812 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,812 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:47,812 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 17:28:47,812 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 17:28:47,812 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 17:28:47,812 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 17:28:47,813 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 17:28:47,814 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 17:28:47,814 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 17:28:47,814 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 17:28:47,814 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 17:28:47,814 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 17:28:47,814 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:28:47,814 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 17:28:47,814 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:28:47,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:28:47,815 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-20 17:28:47,815 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse1 (<= ~a11~0 0)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse9 (<= 9 ~a28~0)) (.cse0 (= 1 ~a19~0)) (.cse12 (<= 10 ~a28~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= 8 ~a17~0)) (.cse8 (<= ~a28~0 10)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse7 (not (= 1 ~a11~0)))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse4) (and .cse0 .cse5 .cse1 (= ~a25~0 |old(~a25~0)|) .cse3) (and .cse0 .cse5 .cse6 .cse8 .cse2 .cse9) (and .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse2 .cse10 .cse11) (and .cse8 .cse2 .cse10 .cse11 .cse9 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse2 .cse10 .cse12 .cse11) (and .cse1 .cse8 .cse2 .cse10 .cse11 .cse9) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse8 .cse12) (and .cse5 .cse6 .cse8 .cse2 .cse7))) [2020-07-20 17:28:47,815 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 17:28:47,815 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 17:28:47,816 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse1 (<= ~a11~0 0)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse9 (<= 9 ~a28~0)) (.cse0 (= 1 ~a19~0)) (.cse12 (<= 10 ~a28~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= 8 ~a17~0)) (.cse8 (<= ~a28~0 10)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse7 (not (= 1 ~a11~0)))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse4) (and .cse0 .cse5 .cse1 (= ~a25~0 |old(~a25~0)|) .cse3) (and .cse0 .cse5 .cse6 .cse8 .cse2 .cse9) (and .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse2 .cse10 .cse11) (and .cse8 .cse2 .cse10 .cse11 .cse9 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse2 .cse10 .cse12 .cse11) (and .cse1 .cse8 .cse2 .cse10 .cse11 .cse9) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse8 .cse12) (and .cse5 .cse6 .cse8 .cse2 .cse7))) [2020-07-20 17:28:47,816 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 17:28:47,816 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 17:28:47,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:28:47 BoogieIcfgContainer [2020-07-20 17:28:47,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:28:47,845 INFO L168 Benchmark]: Toolchain (without parser) took 20684.96 ms. Allocated memory was 137.4 MB in the beginning and 545.8 MB in the end (delta: 408.4 MB). Free memory was 100.1 MB in the beginning and 387.6 MB in the end (delta: -287.5 MB). Peak memory consumption was 439.7 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:47,846 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory is still 118.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 17:28:47,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.39 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 99.6 MB in the beginning and 171.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:47,847 INFO L168 Benchmark]: Boogie Preprocessor took 145.66 ms. Allocated memory is still 203.9 MB. Free memory was 171.8 MB in the beginning and 166.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:47,848 INFO L168 Benchmark]: RCFGBuilder took 1363.92 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 166.6 MB in the beginning and 181.3 MB in the end (delta: -14.8 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:47,849 INFO L168 Benchmark]: TraceAbstraction took 18404.41 ms. Allocated memory was 234.9 MB in the beginning and 545.8 MB in the end (delta: 310.9 MB). Free memory was 181.3 MB in the beginning and 387.6 MB in the end (delta: -206.2 MB). Peak memory consumption was 423.5 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:47,852 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory is still 118.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.39 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 99.6 MB in the beginning and 171.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.66 ms. Allocated memory is still 203.9 MB. Free memory was 171.8 MB in the beginning and 166.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1363.92 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 166.6 MB in the beginning and 181.3 MB in the end (delta: -14.8 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18404.41 ms. Allocated memory was 234.9 MB in the beginning and 545.8 MB in the end (delta: 310.9 MB). Free memory was 181.3 MB in the beginning and 387.6 MB in the end (delta: -206.2 MB). Peak memory consumption was 423.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: 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)) || !(\old(a28) <= 7)) || ((((1 == a19 && a11 <= 0) && !(1 == \old(a25))) && a28 <= 7) && 1 == a25)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && !(1 == a11)) && 1 == a25)) || ((((1 == a19 && a17 <= \old(a17)) && a11 <= 0) && a25 == \old(a25)) && a28 <= 7)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10) && !(1 == \old(a25))) && 9 <= a28)) || (((a17 <= \old(a17) && 8 <= a17) && !(1 == \old(a25))) && a28 <= 7)) || (((1 == a19 && !(1 == \old(a25))) && a17 <= 7) && 7 < \old(a17))) || (((((a28 <= 10 && !(1 == \old(a25))) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28) && 1 == a25)) || !(\old(a11) <= 0)) || ((((a28 <= 10 && !(1 == \old(a25))) && a17 <= 7) && 10 <= a28) && 7 < \old(a17))) || (((((a11 <= 0 && a28 <= 10) && !(1 == \old(a25))) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28)) || !(\old(a17) <= 8)) || ((1 == a19 && a28 <= 10) && 10 <= a28)) || ((((a17 <= \old(a17) && 8 <= a17) && a28 <= 10) && !(1 == \old(a25))) && !(1 == a11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.4s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 969 SDtfs, 4022 SDslu, 472 SDs, 0 SdLazy, 5878 SolverSat, 994 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2606 GetRequests, 2560 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4403occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 199 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 153 PreInvPairs, 223 NumberOfFragments, 924 HoareAnnotationTreeSize, 153 FomulaSimplifications, 1818 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2151 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1674 NumberOfCodeBlocks, 1674 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2584 ConstructedInterpolants, 0 QuantifiedInterpolants, 819159 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4472 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 1642/1746 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...