/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:36:52,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:36:52,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:36:52,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:36:52,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:36:52,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:36:52,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:36:52,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:36:52,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:36:52,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:36:52,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:36:52,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:36:52,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:36:52,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:36:52,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:36:52,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:36:52,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:36:52,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:36:52,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:36:52,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:36:52,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:36:52,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:36:52,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:36:52,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:36:52,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 16:36:52,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:36:52,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:36:52,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:36:52,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 16:36:52,925 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:36:52,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:36:52,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:36:52,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:36:52,930 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:36:52,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:36:52,930 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:36:52,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:36:52,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:36:52,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:36:52,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:36:52,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:36:52,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:36:52,931 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:36:52,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:36:52,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:36:52,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:36:52,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:36:52,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:36:52,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:36:52,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:36:52,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:36:52,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:36:52,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:36:52,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:36:52,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:36:52,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:52,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:36:52,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:36:52,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 16:36:53,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:36:53,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:36:53,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:36:53,223 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:36:53,223 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:36:53,224 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-21 16:36:53,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afb8079f0/bb1d55a4f3654a6b8b8076f05e7471f7/FLAGa8d1c0633 [2020-07-21 16:36:53,843 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:36:53,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-21 16:36:53,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afb8079f0/bb1d55a4f3654a6b8b8076f05e7471f7/FLAGa8d1c0633 [2020-07-21 16:36:54,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afb8079f0/bb1d55a4f3654a6b8b8076f05e7471f7 [2020-07-21 16:36:54,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:36:54,148 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:36:54,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:36:54,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:36:54,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:36:54,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:36:54" (1/1) ... [2020-07-21 16:36:54,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7210537a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54, skipping insertion in model container [2020-07-21 16:36:54,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:36:54" (1/1) ... [2020-07-21 16:36:54,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:36:54,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:36:54,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:36:54,785 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:36:54,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:36:54,949 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:36:54,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54 WrapperNode [2020-07-21 16:36:54,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:36:54,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:36:54,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:36:54,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:36:54,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54" (1/1) ... [2020-07-21 16:36:54,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54" (1/1) ... [2020-07-21 16:36:54,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54" (1/1) ... [2020-07-21 16:36:54,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54" (1/1) ... [2020-07-21 16:36:55,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54" (1/1) ... [2020-07-21 16:36:55,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54" (1/1) ... [2020-07-21 16:36:55,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54" (1/1) ... [2020-07-21 16:36:55,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:36:55,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:36:55,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:36:55,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:36:55,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:36:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:36:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:36:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 16:36:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:36:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 16:36:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:36:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:36:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 16:36:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:36:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:36:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:36:56,426 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:36:56,427 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 16:36:56,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:36:56 BoogieIcfgContainer [2020-07-21 16:36:56,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:36:56,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:36:56,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:36:56,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:36:56,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:36:54" (1/3) ... [2020-07-21 16:36:56,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf5385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:36:56, skipping insertion in model container [2020-07-21 16:36:56,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:54" (2/3) ... [2020-07-21 16:36:56,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf5385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:36:56, skipping insertion in model container [2020-07-21 16:36:56,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:36:56" (3/3) ... [2020-07-21 16:36:56,449 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-07-21 16:36:56,460 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:36:56,470 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:36:56,486 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:36:56,524 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:36:56,524 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:36:56,524 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:36:56,524 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:36:56,525 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:36:56,525 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:36:56,525 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:36:56,525 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:36:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 16:36:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-21 16:36:56,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:56,573 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] [2020-07-21 16:36:56,573 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:56,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:56,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-07-21 16:36:56,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:56,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228256675] [2020-07-21 16:36:56,594 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:56,746 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:56,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:56,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:36:56,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:56,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:56,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228256675] [2020-07-21 16:36:56,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:56,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:56,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297004953] [2020-07-21 16:36:56,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:56,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:56,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:56,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:56,870 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 16:36:57,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:57,915 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-21 16:36:57,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:36:57,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-07-21 16:36:57,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:57,933 INFO L225 Difference]: With dead ends: 586 [2020-07-21 16:36:57,933 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 16:36:57,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:57,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 16:36:58,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 16:36:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 16:36:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-21 16:36:58,014 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 41 [2020-07-21 16:36:58,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:58,014 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-21 16:36:58,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:36:58,015 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-21 16:36:58,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-21 16:36:58,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:58,020 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:36:58,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:58,236 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:58,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:58,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1231039110, now seen corresponding path program 1 times [2020-07-21 16:36:58,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:58,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50381315] [2020-07-21 16:36:58,237 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:58,389 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:58,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:58,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:58,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:58,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:58,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50381315] [2020-07-21 16:36:58,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:58,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:58,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624400592] [2020-07-21 16:36:58,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:58,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:58,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:58,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:58,434 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states. [2020-07-21 16:36:59,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:59,108 INFO L93 Difference]: Finished difference Result 868 states and 1337 transitions. [2020-07-21 16:36:59,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:36:59,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-21 16:36:59,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:59,114 INFO L225 Difference]: With dead ends: 868 [2020-07-21 16:36:59,114 INFO L226 Difference]: Without dead ends: 580 [2020-07-21 16:36:59,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:59,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-21 16:36:59,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-07-21 16:36:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-21 16:36:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 802 transitions. [2020-07-21 16:36:59,147 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 802 transitions. Word has length 111 [2020-07-21 16:36:59,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:59,148 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 802 transitions. [2020-07-21 16:36:59,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:36:59,149 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 802 transitions. [2020-07-21 16:36:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 16:36:59,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:59,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:36:59,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:59,367 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:59,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:59,368 INFO L82 PathProgramCache]: Analyzing trace with hash 884590309, now seen corresponding path program 1 times [2020-07-21 16:36:59,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:59,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518851904] [2020-07-21 16:36:59,369 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:59,452 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:59,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:59,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:59,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:59,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:59,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518851904] [2020-07-21 16:36:59,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:59,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:59,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490699641] [2020-07-21 16:36:59,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:59,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:59,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:59,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:59,491 INFO L87 Difference]: Start difference. First operand 580 states and 802 transitions. Second operand 3 states. [2020-07-21 16:37:00,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:00,247 INFO L93 Difference]: Finished difference Result 1440 states and 2058 transitions. [2020-07-21 16:37:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:37:00,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-07-21 16:37:00,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:00,253 INFO L225 Difference]: With dead ends: 1440 [2020-07-21 16:37:00,254 INFO L226 Difference]: Without dead ends: 866 [2020-07-21 16:37:00,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:00,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-07-21 16:37:00,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 580. [2020-07-21 16:37:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-21 16:37:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 791 transitions. [2020-07-21 16:37:00,285 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 791 transitions. Word has length 122 [2020-07-21 16:37:00,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:00,285 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 791 transitions. [2020-07-21 16:37:00,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:37:00,286 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 791 transitions. [2020-07-21 16:37:00,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-21 16:37:00,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:00,290 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:37:00,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:00,505 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:00,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:00,506 INFO L82 PathProgramCache]: Analyzing trace with hash -425157170, now seen corresponding path program 1 times [2020-07-21 16:37:00,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:00,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865963114] [2020-07-21 16:37:00,507 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:00,631 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:00,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:00,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:00,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:00,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:37:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:00,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865963114] [2020-07-21 16:37:00,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:37:00,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 16:37:00,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017242685] [2020-07-21 16:37:00,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:37:00,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:00,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:37:00,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:37:00,912 INFO L87 Difference]: Start difference. First operand 580 states and 791 transitions. Second operand 7 states. [2020-07-21 16:37:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:02,200 INFO L93 Difference]: Finished difference Result 1462 states and 1977 transitions. [2020-07-21 16:37:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 16:37:02,200 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-07-21 16:37:02,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:02,206 INFO L225 Difference]: With dead ends: 1462 [2020-07-21 16:37:02,207 INFO L226 Difference]: Without dead ends: 888 [2020-07-21 16:37:02,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:37:02,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2020-07-21 16:37:02,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 882. [2020-07-21 16:37:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-07-21 16:37:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1096 transitions. [2020-07-21 16:37:02,258 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1096 transitions. Word has length 193 [2020-07-21 16:37:02,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:02,258 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 1096 transitions. [2020-07-21 16:37:02,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:37:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1096 transitions. [2020-07-21 16:37:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-21 16:37:02,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:02,275 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:37:02,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:02,476 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:02,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:02,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1437439845, now seen corresponding path program 1 times [2020-07-21 16:37:02,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:02,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12414858] [2020-07-21 16:37:02,478 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:02,623 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:02,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:02,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:02,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-21 16:37:02,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:02,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12414858] [2020-07-21 16:37:02,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:02,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:02,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110499228] [2020-07-21 16:37:02,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:02,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:02,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:02,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:02,673 INFO L87 Difference]: Start difference. First operand 882 states and 1096 transitions. Second operand 3 states. [2020-07-21 16:37:03,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:03,498 INFO L93 Difference]: Finished difference Result 2622 states and 3289 transitions. [2020-07-21 16:37:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:37:03,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-07-21 16:37:03,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:03,511 INFO L225 Difference]: With dead ends: 2622 [2020-07-21 16:37:03,511 INFO L226 Difference]: Without dead ends: 880 [2020-07-21 16:37:03,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:03,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-21 16:37:03,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2020-07-21 16:37:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-07-21 16:37:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1080 transitions. [2020-07-21 16:37:03,546 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1080 transitions. Word has length 210 [2020-07-21 16:37:03,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:03,547 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 1080 transitions. [2020-07-21 16:37:03,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:37:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1080 transitions. [2020-07-21 16:37:03,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-21 16:37:03,552 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:03,552 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:37:03,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:03,757 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:03,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:03,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1943514195, now seen corresponding path program 1 times [2020-07-21 16:37:03,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:03,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531001724] [2020-07-21 16:37:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:03,870 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:03,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:03,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:03,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:03,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:37:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:04,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531001724] [2020-07-21 16:37:04,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:37:04,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 16:37:04,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540264893] [2020-07-21 16:37:04,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 16:37:04,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:04,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 16:37:04,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:37:04,067 INFO L87 Difference]: Start difference. First operand 880 states and 1080 transitions. Second operand 8 states. [2020-07-21 16:37:05,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:05,769 INFO L93 Difference]: Finished difference Result 2823 states and 3645 transitions. [2020-07-21 16:37:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 16:37:05,770 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 214 [2020-07-21 16:37:05,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:05,783 INFO L225 Difference]: With dead ends: 2823 [2020-07-21 16:37:05,783 INFO L226 Difference]: Without dead ends: 1349 [2020-07-21 16:37:05,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:37:05,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2020-07-21 16:37:05,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1323. [2020-07-21 16:37:05,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1323 states. [2020-07-21 16:37:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1595 transitions. [2020-07-21 16:37:05,854 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1595 transitions. Word has length 214 [2020-07-21 16:37:05,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:05,855 INFO L479 AbstractCegarLoop]: Abstraction has 1323 states and 1595 transitions. [2020-07-21 16:37:05,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 16:37:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1595 transitions. [2020-07-21 16:37:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-21 16:37:05,860 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:05,861 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:37:06,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:06,076 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:06,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:06,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1635854957, now seen corresponding path program 1 times [2020-07-21 16:37:06,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:06,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1478143034] [2020-07-21 16:37:06,079 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:06,206 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:06,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:06,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:06,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-21 16:37:06,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:06,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1478143034] [2020-07-21 16:37:06,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:06,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:06,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013330193] [2020-07-21 16:37:06,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:06,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:06,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:06,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:06,275 INFO L87 Difference]: Start difference. First operand 1323 states and 1595 transitions. Second operand 3 states. [2020-07-21 16:37:06,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:06,591 INFO L93 Difference]: Finished difference Result 1323 states and 1595 transitions. [2020-07-21 16:37:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:37:06,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-07-21 16:37:06,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:06,593 INFO L225 Difference]: With dead ends: 1323 [2020-07-21 16:37:06,593 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:37:06,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:06,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:37:06,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:37:06,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:37:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:37:06,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-07-21 16:37:06,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:06,600 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:37:06,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:37:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:37:06,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:37:06,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:06,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:37:07,473 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-07-21 16:37:07,626 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:37:07,626 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= ~a19~0 |old(~a19~0)|)) [2020-07-21 16:37:07,626 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:37:07,627 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 16:37:07,627 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,627 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,627 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,627 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,628 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,628 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,628 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 16:37:07,628 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 16:37:07,628 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 16:37:07,628 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 16:37:07,628 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 16:37:07,629 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 16:37:07,629 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 16:37:07,629 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 16:37:07,629 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 16:37:07,629 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 16:37:07,630 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 16:37:07,630 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,631 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,631 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,631 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,631 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,631 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 16:37:07,631 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 16:37:07,631 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 16:37:07,632 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 16:37:07,633 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 16:37:07,633 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 16:37:07,633 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 16:37:07,635 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 16:37:07,635 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 16:37:07,635 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 16:37:07,636 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 16:37:07,636 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 16:37:07,636 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 16:37:07,636 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-07-21 16:37:07,636 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 16:37:07,636 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,636 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,637 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,637 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,637 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,637 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 16:37:07,637 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 16:37:07,638 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 16:37:07,638 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 16:37:07,638 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 16:37:07,638 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 16:37:07,638 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 16:37:07,638 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 16:37:07,638 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 16:37:07,639 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 16:37:07,639 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,639 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,639 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,641 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,641 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,641 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 16:37:07,641 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 16:37:07,641 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 16:37:07,644 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 16:37:07,644 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 16:37:07,644 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 16:37:07,644 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 16:37:07,644 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 16:37:07,644 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 16:37:07,645 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 16:37:07,645 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 16:37:07,645 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 16:37:07,645 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 16:37:07,645 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,645 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,645 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,645 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,645 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,646 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 16:37:07,646 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 16:37:07,646 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 16:37:07,646 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 16:37:07,646 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 16:37:07,648 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 16:37:07,649 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 16:37:07,649 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 16:37:07,649 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 16:37:07,649 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,649 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,649 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,649 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,649 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,649 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,650 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,650 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 16:37:07,650 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 16:37:07,650 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 16:37:07,650 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 16:37:07,650 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 16:37:07,650 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 16:37:07,650 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 16:37:07,650 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 16:37:07,651 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 16:37:07,651 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 16:37:07,651 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 16:37:07,651 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 16:37:07,652 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 16:37:07,652 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,652 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,652 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,653 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,653 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 16:37:07,653 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,653 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,653 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 16:37:07,653 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 16:37:07,653 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 16:37:07,653 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 16:37:07,653 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 16:37:07,654 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 16:37:07,654 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 16:37:07,654 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 16:37:07,654 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 16:37:07,655 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 16:37:07,655 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 16:37:07,655 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 16:37:07,655 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 16:37:07,655 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,655 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,655 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,655 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,655 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,656 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,656 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 16:37:07,656 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 16:37:07,656 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 16:37:07,656 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 16:37:07,656 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 16:37:07,656 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 16:37:07,656 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 16:37:07,656 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 16:37:07,657 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 16:37:07,657 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 16:37:07,657 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 16:37:07,657 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 |old(~a10~0)|)) (.cse1 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (<= 9 ~a19~0)) (.cse2 (<= 2 ~a10~0)) (.cse4 (not (<= 9 |old(~a19~0)|))) (.cse3 (not (<= 2 |old(~a10~0)|))) (.cse8 (not (<= 23 |old(~a1~0)|))) (.cse7 (and .cse0 .cse1)) (.cse6 (not (<= |old(~a10~0)| 2)))) (and (or (not (<= |old(~a19~0)| 7)) (and .cse0 (<= ~a19~0 7))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a19~0)| 8)) .cse3) (or .cse4 (and .cse5 .cse0 .cse1) .cse6) (or (not (<= |old(~a10~0)| 0)) .cse7) (or (and .cse5 .cse0 .cse2 (< ~a19~0 10)) (not (< |old(~a19~0)| 10)) .cse4 .cse3) (or .cse8 (<= 23 ~a1~0) .cse6) (or .cse8 .cse7 .cse6)))) [2020-07-21 16:37:07,657 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 16:37:07,657 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 16:37:07,657 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 16:37:07,658 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,658 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,658 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,658 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,658 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,658 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,658 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 16:37:07,658 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 16:37:07,658 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 16:37:07,659 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 16:37:07,659 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 16:37:07,659 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 16:37:07,659 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 16:37:07,659 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 16:37:07,659 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 16:37:07,659 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 16:37:07,659 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 16:37:07,660 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 16:37:07,660 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 16:37:07,660 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,663 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,663 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,663 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,663 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,663 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,664 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 16:37:07,664 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 16:37:07,664 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 16:37:07,664 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 16:37:07,664 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 16:37:07,664 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 16:37:07,664 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 16:37:07,664 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 16:37:07,665 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 16:37:07,665 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 16:37:07,665 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 16:37:07,665 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 16:37:07,665 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,665 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,665 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,665 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,665 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 16:37:07,666 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 16:37:07,667 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 16:37:07,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:37:07,667 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= 23 ~a1~0) (< ~a19~0 10)) [2020-07-21 16:37:07,667 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:37:07,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:37:07,667 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= 23 ~a1~0) (< ~a19~0 10))) [2020-07-21 16:37:07,667 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 16:37:07,667 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-21 16:37:07,667 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 16:37:07,667 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 16:37:07,667 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-21 16:37:07,668 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 16:37:07,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:37:07 BoogieIcfgContainer [2020-07-21 16:37:07,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:37:07,687 INFO L168 Benchmark]: Toolchain (without parser) took 13540.69 ms. Allocated memory was 138.9 MB in the beginning and 392.2 MB in the end (delta: 253.2 MB). Free memory was 102.2 MB in the beginning and 251.1 MB in the end (delta: -149.0 MB). Peak memory consumption was 231.8 MB. Max. memory is 7.1 GB. [2020-07-21 16:37:07,688 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 16:37:07,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.32 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.8 MB in the beginning and 169.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-07-21 16:37:07,689 INFO L168 Benchmark]: Boogie Preprocessor took 106.39 ms. Allocated memory is still 205.0 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-21 16:37:07,690 INFO L168 Benchmark]: RCFGBuilder took 1380.04 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 164.1 MB in the beginning and 179.2 MB in the end (delta: -15.2 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-07-21 16:37:07,691 INFO L168 Benchmark]: TraceAbstraction took 11246.10 ms. Allocated memory was 238.6 MB in the beginning and 392.2 MB in the end (delta: 153.6 MB). Free memory was 179.2 MB in the beginning and 251.1 MB in the end (delta: -71.9 MB). Peak memory consumption was 209.3 MB. Max. memory is 7.1 GB. [2020-07-21 16:37:07,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 801.32 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.8 MB in the beginning and 169.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.39 ms. Allocated memory is still 205.0 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1380.04 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 164.1 MB in the beginning and 179.2 MB in the end (delta: -15.2 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11246.10 ms. Allocated memory was 238.6 MB in the beginning and 392.2 MB in the end (delta: 153.6 MB). Free memory was 179.2 MB in the beginning and 251.1 MB in the end (delta: -71.9 MB). Peak memory consumption was 209.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((a10 <= 0 || !(23 <= \old(a1))) || !(\old(a19) < 10)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (2 <= a10 && a19 < 10)) || (a10 <= 2 && 23 <= a1)) || (9 <= a19 && a10 <= 2)) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 635 SDtfs, 1815 SDslu, 148 SDs, 0 SdLazy, 3827 SolverSat, 746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1550 GetRequests, 1524 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1323occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 318 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 52 PreInvPairs, 98 NumberOfFragments, 256 HoareAnnotationTreeSize, 52 FomulaSimplifications, 1194 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 623 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 631595 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2200 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 925/933 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...