/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_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:37:06,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:37:06,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:37:06,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:37:06,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:37:06,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:37:06,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:37:06,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:37:06,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:37:06,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:37:06,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:37:06,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:37:06,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:37:06,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:37:06,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:37:06,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:37:06,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:37:06,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:37:06,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:37:06,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:37:06,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:37:06,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:37:06,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:37:06,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:37:06,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 16:37:06,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:37:06,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:37:06,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:37:06,191 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 16:37:06,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:37:06,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:37:06,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:37:06,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:37:06,232 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:37:06,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:37:06,232 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:37:06,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:37:06,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:37:06,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:37:06,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:37:06,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:37:06,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:37:06,234 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:37:06,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:37:06,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:37:06,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:37:06,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:37:06,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:37:06,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:37:06,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:37:06,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:37:06,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:37:06,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:37:06,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:37:06,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:37:06,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:06,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:37:06,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:37:06,240 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 16:37:06,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:37:06,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:37:06,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:37:06,533 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:37:06,533 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:37:06,534 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-21 16:37:06,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c376a9fd2/9cdd31b43d60427280f46f0bf3709f96/FLAGff0c31059 [2020-07-21 16:37:07,104 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:37:07,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-21 16:37:07,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c376a9fd2/9cdd31b43d60427280f46f0bf3709f96/FLAGff0c31059 [2020-07-21 16:37:07,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c376a9fd2/9cdd31b43d60427280f46f0bf3709f96 [2020-07-21 16:37:07,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:37:07,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:37:07,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:37:07,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:37:07,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:37:07,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:37:07" (1/1) ... [2020-07-21 16:37:07,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ad3b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:07, skipping insertion in model container [2020-07-21 16:37:07,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:37:07" (1/1) ... [2020-07-21 16:37:07,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:37:07,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:37:08,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:37:08,021 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:37:08,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:37:08,140 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:37:08,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08 WrapperNode [2020-07-21 16:37:08,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:37:08,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:37:08,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:37:08,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:37:08,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08" (1/1) ... [2020-07-21 16:37:08,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08" (1/1) ... [2020-07-21 16:37:08,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08" (1/1) ... [2020-07-21 16:37:08,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08" (1/1) ... [2020-07-21 16:37:08,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08" (1/1) ... [2020-07-21 16:37:08,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08" (1/1) ... [2020-07-21 16:37:08,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08" (1/1) ... [2020-07-21 16:37:08,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:37:08,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:37:08,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:37:08,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:37:08,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08" (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 16:37:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:37:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:37:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 16:37:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:37:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 16:37:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:37:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:37:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 16:37:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:37:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:37:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:37:09,635 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:37:09,636 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 16:37:09,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:37:09 BoogieIcfgContainer [2020-07-21 16:37:09,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:37:09,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:37:09,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:37:09,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:37:09,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:37:07" (1/3) ... [2020-07-21 16:37:09,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc3f62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:37:09, skipping insertion in model container [2020-07-21 16:37:09,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:08" (2/3) ... [2020-07-21 16:37:09,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc3f62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:37:09, skipping insertion in model container [2020-07-21 16:37:09,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:37:09" (3/3) ... [2020-07-21 16:37:09,652 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-07-21 16:37:09,665 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:37:09,672 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:37:09,686 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:37:09,711 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:37:09,712 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:37:09,712 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:37:09,712 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:37:09,712 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:37:09,713 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:37:09,713 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:37:09,713 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:37:09,735 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 16:37:09,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-21 16:37:09,743 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:09,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:37:09,745 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:09,751 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-07-21 16:37:09,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:09,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600742601] [2020-07-21 16:37:09,761 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 16:37:09,865 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:09,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:09,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:37:09,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:09,937 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 16:37:09,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:09,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600742601] [2020-07-21 16:37:09,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:09,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:09,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905427370] [2020-07-21 16:37:09,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:09,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:09,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:09,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:09,962 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 16:37:11,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:11,023 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-21 16:37:11,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:37:11,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-07-21 16:37:11,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:11,040 INFO L225 Difference]: With dead ends: 586 [2020-07-21 16:37:11,041 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 16:37:11,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 16:37:11,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 16:37:11,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 16:37:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 16:37:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions. [2020-07-21 16:37:11,149 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 44 [2020-07-21 16:37:11,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:11,149 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 426 transitions. [2020-07-21 16:37:11,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:37:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions. [2020-07-21 16:37:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-21 16:37:11,155 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:11,156 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:11,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:11,370 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:11,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:11,371 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times [2020-07-21 16:37:11,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:11,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703201893] [2020-07-21 16:37:11,372 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 16:37:11,474 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:11,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:11,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:11,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:11,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:11,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703201893] [2020-07-21 16:37:11,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:11,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:11,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802053403] [2020-07-21 16:37:11,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:11,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:11,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:11,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:11,532 INFO L87 Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 3 states. [2020-07-21 16:37:12,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:12,175 INFO L93 Difference]: Finished difference Result 868 states and 1277 transitions. [2020-07-21 16:37:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:37:12,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-07-21 16:37:12,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:12,181 INFO L225 Difference]: With dead ends: 868 [2020-07-21 16:37:12,182 INFO L226 Difference]: Without dead ends: 580 [2020-07-21 16:37:12,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 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 16:37:12,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-21 16:37:12,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-07-21 16:37:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-21 16:37:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 762 transitions. [2020-07-21 16:37:12,218 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 762 transitions. Word has length 118 [2020-07-21 16:37:12,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:12,219 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 762 transitions. [2020-07-21 16:37:12,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:37:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 762 transitions. [2020-07-21 16:37:12,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-21 16:37:12,222 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:12,222 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:12,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:12,437 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:12,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:12,438 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-07-21 16:37:12,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:12,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936452580] [2020-07-21 16:37:12,440 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 16:37:12,543 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:12,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:12,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 16:37:12,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:12,601 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:37:12,605 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 16:37:16,292 WARN L193 SmtUtils]: Spent 3.64 s on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 16:37:16,338 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 16:37:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:16,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:37:16,596 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:37:16,597 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:37:16,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936452580] [2020-07-21 16:37:16,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-21 16:37:16,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-21 16:37:16,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566064346] [2020-07-21 16:37:16,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:37:16,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:16,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:37:16,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:37:16,645 INFO L87 Difference]: Start difference. First operand 580 states and 762 transitions. Second operand 6 states. [2020-07-21 16:37:20,555 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 29 [2020-07-21 16:37:22,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:22,790 INFO L93 Difference]: Finished difference Result 1911 states and 2601 transitions. [2020-07-21 16:37:22,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 16:37:22,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2020-07-21 16:37:22,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:22,801 INFO L225 Difference]: With dead ends: 1911 [2020-07-21 16:37:22,802 INFO L226 Difference]: Without dead ends: 1337 [2020-07-21 16:37:22,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-07-21 16:37:22,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2020-07-21 16:37:22,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1317. [2020-07-21 16:37:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-07-21 16:37:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1718 transitions. [2020-07-21 16:37:22,867 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1718 transitions. Word has length 123 [2020-07-21 16:37:22,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:22,868 INFO L479 AbstractCegarLoop]: Abstraction has 1317 states and 1718 transitions. [2020-07-21 16:37:22,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:37:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1718 transitions. [2020-07-21 16:37:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-21 16:37:22,873 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:22,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:23,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:23,087 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:23,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:23,088 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times [2020-07-21 16:37:23,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:23,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91389984] [2020-07-21 16:37:23,090 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 16:37:23,215 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:23,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:23,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:23,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:23,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:23,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91389984] [2020-07-21 16:37:23,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:23,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:23,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105437905] [2020-07-21 16:37:23,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:23,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:23,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:23,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:23,282 INFO L87 Difference]: Start difference. First operand 1317 states and 1718 transitions. Second operand 3 states. [2020-07-21 16:37:24,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:24,233 INFO L93 Difference]: Finished difference Result 3063 states and 4173 transitions. [2020-07-21 16:37:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:37:24,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-21 16:37:24,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:24,250 INFO L225 Difference]: With dead ends: 3063 [2020-07-21 16:37:24,250 INFO L226 Difference]: Without dead ends: 1895 [2020-07-21 16:37:24,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:24,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2020-07-21 16:37:24,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1895. [2020-07-21 16:37:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-07-21 16:37:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2397 transitions. [2020-07-21 16:37:24,346 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2397 transitions. Word has length 139 [2020-07-21 16:37:24,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:24,348 INFO L479 AbstractCegarLoop]: Abstraction has 1895 states and 2397 transitions. [2020-07-21 16:37:24,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:37:24,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2397 transitions. [2020-07-21 16:37:24,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-21 16:37:24,358 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:24,359 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:24,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:24,573 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:24,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:24,574 INFO L82 PathProgramCache]: Analyzing trace with hash 844100826, now seen corresponding path program 1 times [2020-07-21 16:37:24,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:24,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622417500] [2020-07-21 16:37:24,576 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 16:37:24,692 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:24,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:24,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:24,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:24,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:24,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1622417500] [2020-07-21 16:37:24,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:24,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:24,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218820177] [2020-07-21 16:37:24,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:24,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:24,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:24,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:24,750 INFO L87 Difference]: Start difference. First operand 1895 states and 2397 transitions. Second operand 3 states. [2020-07-21 16:37:25,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:25,678 INFO L93 Difference]: Finished difference Result 4366 states and 5654 transitions. [2020-07-21 16:37:25,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:37:25,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-07-21 16:37:25,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:25,689 INFO L225 Difference]: With dead ends: 4366 [2020-07-21 16:37:25,690 INFO L226 Difference]: Without dead ends: 1895 [2020-07-21 16:37:25,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 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 16:37:25,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2020-07-21 16:37:25,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1895. [2020-07-21 16:37:25,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-07-21 16:37:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2357 transitions. [2020-07-21 16:37:25,766 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2357 transitions. Word has length 166 [2020-07-21 16:37:25,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:25,767 INFO L479 AbstractCegarLoop]: Abstraction has 1895 states and 2357 transitions. [2020-07-21 16:37:25,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:37:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2357 transitions. [2020-07-21 16:37:25,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-21 16:37:25,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:25,771 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:25,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:25,987 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:25,987 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-07-21 16:37:25,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:25,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572216456] [2020-07-21 16:37:25,988 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 16:37:26,106 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:26,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:26,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:26,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:26,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:26,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572216456] [2020-07-21 16:37:26,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:26,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:26,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314801969] [2020-07-21 16:37:26,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:26,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:26,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:26,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:26,170 INFO L87 Difference]: Start difference. First operand 1895 states and 2357 transitions. Second operand 3 states. [2020-07-21 16:37:26,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:26,986 INFO L93 Difference]: Finished difference Result 3053 states and 3934 transitions. [2020-07-21 16:37:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:37:26,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-07-21 16:37:26,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:27,002 INFO L225 Difference]: With dead ends: 3053 [2020-07-21 16:37:27,003 INFO L226 Difference]: Without dead ends: 3051 [2020-07-21 16:37:27,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2020-07-21 16:37:27,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 2479. [2020-07-21 16:37:27,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2020-07-21 16:37:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3214 transitions. [2020-07-21 16:37:27,072 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3214 transitions. Word has length 181 [2020-07-21 16:37:27,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:27,072 INFO L479 AbstractCegarLoop]: Abstraction has 2479 states and 3214 transitions. [2020-07-21 16:37:27,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:37:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3214 transitions. [2020-07-21 16:37:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-21 16:37:27,078 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:27,078 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:37:27,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:27,293 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:27,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:27,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-07-21 16:37:27,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:27,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992417993] [2020-07-21 16:37:27,295 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 16:37:27,412 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:27,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:27,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:27,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:27,463 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:27,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:37:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:27,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992417993] [2020-07-21 16:37:27,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:37:27,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 16:37:27,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428506418] [2020-07-21 16:37:27,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:37:27,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:27,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:37:27,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:37:27,559 INFO L87 Difference]: Start difference. First operand 2479 states and 3214 transitions. Second operand 7 states. [2020-07-21 16:37:29,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:29,516 INFO L93 Difference]: Finished difference Result 5521 states and 7764 transitions. [2020-07-21 16:37:29,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 16:37:29,517 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-07-21 16:37:29,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:29,536 INFO L225 Difference]: With dead ends: 5521 [2020-07-21 16:37:29,536 INFO L226 Difference]: Without dead ends: 3191 [2020-07-21 16:37:29,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 384 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:37:29,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3191 states. [2020-07-21 16:37:29,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3191 to 2791. [2020-07-21 16:37:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2791 states. [2020-07-21 16:37:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3481 transitions. [2020-07-21 16:37:29,640 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3481 transitions. Word has length 193 [2020-07-21 16:37:29,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:29,641 INFO L479 AbstractCegarLoop]: Abstraction has 2791 states and 3481 transitions. [2020-07-21 16:37:29,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:37:29,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3481 transitions. [2020-07-21 16:37:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-21 16:37:29,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:29,647 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, 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, 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 16:37:29,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:29,862 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:29,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:29,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1297380233, now seen corresponding path program 1 times [2020-07-21 16:37:29,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:29,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387473128] [2020-07-21 16:37:29,863 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:29,955 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:29,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:29,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:29,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:30,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:37:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:30,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387473128] [2020-07-21 16:37:30,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:37:30,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 16:37:30,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54509340] [2020-07-21 16:37:30,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:37:30,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:30,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:37:30,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:37:30,223 INFO L87 Difference]: Start difference. First operand 2791 states and 3481 transitions. Second operand 6 states. [2020-07-21 16:37:31,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:31,789 INFO L93 Difference]: Finished difference Result 6185 states and 8402 transitions. [2020-07-21 16:37:31,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 16:37:31,794 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2020-07-21 16:37:31,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:31,814 INFO L225 Difference]: With dead ends: 6185 [2020-07-21 16:37:31,814 INFO L226 Difference]: Without dead ends: 3543 [2020-07-21 16:37:31,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 424 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:37:31,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2020-07-21 16:37:31,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 3101. [2020-07-21 16:37:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3101 states. [2020-07-21 16:37:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 3754 transitions. [2020-07-21 16:37:31,921 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 3754 transitions. Word has length 214 [2020-07-21 16:37:31,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:31,922 INFO L479 AbstractCegarLoop]: Abstraction has 3101 states and 3754 transitions. [2020-07-21 16:37:31,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:37:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 3754 transitions. [2020-07-21 16:37:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-07-21 16:37:31,932 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:31,933 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:37:32,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:32,148 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:32,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:32,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-07-21 16:37:32,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:32,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310518719] [2020-07-21 16:37:32,150 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:32,259 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:32,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:32,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 16:37:32,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:32,288 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-07-21 16:37:32,289 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 16:37:32,291 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 16:37:32,291 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:37:32,296 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 16:37:32,298 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:37:32,301 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 16:37:32,304 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 16:37:32,305 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 16:37:40,711 WARN L193 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-21 16:37:40,732 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:37:40,777 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:37:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 247 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:40,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:37:41,241 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:37:41,242 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:37:41,244 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:37:41,245 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:37:41,245 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:37:41,247 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:37:41,253 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 16:37:41,255 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 16:37:41,259 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 16:37:41,260 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 16:37:41,314 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:37:41,315 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 16:37:41,318 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:37:41,325 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:37:41,339 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:37:41,341 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 16:37:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 247 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:41,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310518719] [2020-07-21 16:37:41,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:37:41,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2020-07-21 16:37:41,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218351054] [2020-07-21 16:37:41,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 16:37:41,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:41,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 16:37:41,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:37:41,568 INFO L87 Difference]: Start difference. First operand 3101 states and 3754 transitions. Second operand 12 states. [2020-07-21 16:37:46,643 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-07-21 16:37:49,429 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 16:37:52,199 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 33 [2020-07-21 16:37:53,457 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 36 [2020-07-21 16:37:55,999 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 36 [2020-07-21 16:38:00,838 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-07-21 16:38:03,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:03,637 INFO L93 Difference]: Finished difference Result 7866 states and 10321 transitions. [2020-07-21 16:38:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-07-21 16:38:03,638 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 279 [2020-07-21 16:38:03,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:03,639 INFO L225 Difference]: With dead ends: 7866 [2020-07-21 16:38:03,639 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:38:03,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 566 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 22.5s TimeCoverageRelationStatistics Valid=686, Invalid=1963, Unknown=3, NotChecked=0, Total=2652 [2020-07-21 16:38:03,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:38:03,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:38:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:38:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:38:03,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 279 [2020-07-21 16:38:03,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:03,662 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:38:03,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 16:38:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:38:03,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:38:03,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:03,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:38:04,646 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 160 [2020-07-21 16:38:05,041 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 161 [2020-07-21 16:38:06,281 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 180 DAG size of output: 80 [2020-07-21 16:38:07,067 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 48 [2020-07-21 16:38:07,824 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 48 [2020-07-21 16:38:07,827 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:38:07,828 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~a19~0)| ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (<= |old(~a1~0)| ~a1~0)) [2020-07-21 16:38:07,828 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:38:07,828 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 16:38:07,828 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,829 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,829 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,829 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,829 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,829 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,830 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 16:38:07,830 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 16:38:07,830 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 16:38:07,830 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 16:38:07,830 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 16:38:07,831 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 16:38:07,831 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 16:38:07,831 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 16:38:07,831 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 16:38:07,831 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 16:38:07,831 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 16:38:07,831 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,831 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,832 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,832 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,832 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,832 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 16:38:07,832 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 16:38:07,832 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 16:38:07,832 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 16:38:07,832 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 16:38:07,832 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 16:38:07,833 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 16:38:07,833 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 16:38:07,833 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 16:38:07,833 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 16:38:07,833 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 16:38:07,833 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 16:38:07,833 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 16:38:07,833 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-07-21 16:38:07,834 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 16:38:07,834 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,834 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,834 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,834 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,834 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,834 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 16:38:07,835 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 16:38:07,835 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 16:38:07,835 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 16:38:07,835 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 16:38:07,835 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 16:38:07,835 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 16:38:07,835 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 16:38:07,835 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 16:38:07,835 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 16:38:07,836 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,836 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,836 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,836 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,836 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,836 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 16:38:07,836 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 16:38:07,836 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 16:38:07,837 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 16:38:07,837 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 16:38:07,837 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 16:38:07,837 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 16:38:07,837 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 16:38:07,837 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 16:38:07,837 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 16:38:07,837 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 16:38:07,838 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 16:38:07,838 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 16:38:07,838 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,838 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,838 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,838 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,838 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,838 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 16:38:07,838 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 16:38:07,839 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 16:38:07,839 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 16:38:07,839 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 16:38:07,839 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 16:38:07,839 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 16:38:07,839 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 16:38:07,839 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 16:38:07,840 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,840 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,840 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,840 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,840 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,840 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,840 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,840 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 16:38:07,841 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 16:38:07,841 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 16:38:07,841 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 16:38:07,841 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 16:38:07,841 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 16:38:07,841 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 16:38:07,841 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 16:38:07,841 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 16:38:07,842 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 16:38:07,842 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 16:38:07,842 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 16:38:07,842 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 16:38:07,842 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,842 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,842 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,842 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,843 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 16:38:07,843 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,843 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,843 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 16:38:07,843 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 16:38:07,843 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 16:38:07,843 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 16:38:07,843 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 16:38:07,844 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 16:38:07,844 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 16:38:07,844 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 16:38:07,844 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 16:38:07,844 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 16:38:07,844 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 16:38:07,844 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 16:38:07,844 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 16:38:07,845 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,845 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,845 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,845 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,845 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,845 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,845 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 16:38:07,845 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 16:38:07,846 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 16:38:07,846 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 16:38:07,846 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 16:38:07,846 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 16:38:07,846 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 16:38:07,846 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 16:38:07,846 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 16:38:07,846 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 16:38:07,847 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 16:38:07,847 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= |old(~a19~0)| ~a19~0)) (.cse5 (<= ~a10~0 |old(~a10~0)|)) (.cse6 (<= |old(~a10~0)| ~a10~0)) (.cse1 (<= |old(~a1~0)| ~a1~0))) (let ((.cse8 (not (<= |old(~a10~0)| 0))) (.cse2 (not (<= |old(~a10~0)| 2))) (.cse10 (and .cse0 .cse5 .cse6 .cse1)) (.cse9 (not (<= 23 |old(~a1~0)|))) (.cse3 (not (<= |old(~a1~0)| 23))) (.cse4 (<= ~a1~0 23)) (.cse11 (not (<= 9 |old(~a19~0)|))) (.cse7 (not (<= |old(~a19~0)| 7)))) (and (or (and .cse0 (<= ~a10~0 2) .cse1 (<= 2 ~a10~0)) (not (<= 2 |old(~a10~0)|)) .cse2) (or (not (<= 10 |old(~a19~0)|)) .cse3 .cse4) (or (not (<= 4 |old(~a10~0)|)) (and .cse5 .cse0 .cse6 .cse1)) (or .cse7 (<= ~a10~0 0) .cse8) (or (not (< 0 |old(~a10~0)|)) (and .cse0 .cse5 .cse4 .cse6 .cse1) .cse3) (or .cse9 .cse8 .cse10) (or .cse7 .cse3 .cse4) (or .cse11 .cse10) (or (not (< 218 |old(~a1~0)|)) .cse10 .cse2) (or (forall ((v_~a1~0_380 Int)) (or (not (<= 0 v_~a1~0_380)) (not (<= v_~a1~0_380 218)) (not (< 38 v_~a1~0_380)) (not (<= (+ (div v_~a1~0_380 5) 449582) |old(~a1~0)|)))) .cse10) (or .cse9 .cse3 .cse4 .cse11) (or .cse7 (and .cse1 (<= ~a19~0 7)))))) [2020-07-21 16:38:07,847 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 16:38:07,847 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 16:38:07,847 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 16:38:07,847 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,848 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,848 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,848 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,848 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,848 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,848 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 16:38:07,848 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 16:38:07,848 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 16:38:07,849 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 16:38:07,849 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 16:38:07,849 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 16:38:07,849 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 16:38:07,849 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 16:38:07,849 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 16:38:07,849 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 16:38:07,849 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 16:38:07,850 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 16:38:07,850 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 16:38:07,850 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,850 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,850 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,850 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,850 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,850 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,851 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 16:38:07,851 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 16:38:07,851 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 16:38:07,851 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 16:38:07,851 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 16:38:07,851 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 16:38:07,851 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 16:38:07,851 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 16:38:07,852 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 16:38:07,852 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 16:38:07,852 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 16:38:07,852 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 16:38:07,852 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,852 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,852 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,852 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,852 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,853 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:38:07,853 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 16:38:07,853 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 16:38:07,853 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 16:38:07,853 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 16:38:07,853 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 16:38:07,853 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 16:38:07,853 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 16:38:07,854 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 16:38:07,854 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 16:38:07,854 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 16:38:07,854 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 16:38:07,854 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 16:38:07,854 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:38:07,854 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-21 16:38:07,854 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:38:07,855 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:38:07,855 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= |old(~a19~0)| ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= ~a1~0 23) (<= |old(~a10~0)| ~a10~0) (<= 23 ~a1~0))) [2020-07-21 16:38:07,855 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 16:38:07,855 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (not (<= 23 |old(~a1~0)|)) (<= 9 ~a19~0) (and .cse0 (< 218 ~a1~0)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a1~0 23) (< 0 ~a10~0)) (exists ((v_~a1~0_380 Int)) (and (<= v_~a1~0_380 218) (< 38 v_~a1~0_380) (<= (+ (div v_~a1~0_380 5) 449582) ~a1~0) (<= 0 v_~a1~0_380))) (and (<= ~a10~0 0) (<= 23 ~a1~0)) (<= 4 ~a10~0) (<= ~a19~0 7) (and .cse0 (<= 2 ~a10~0)))) [2020-07-21 16:38:07,855 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 16:38:07,855 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 16:38:07,856 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (not (<= 23 |old(~a1~0)|)) (<= 9 ~a19~0) (and .cse0 (< 218 ~a1~0)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a1~0 23) (< 0 ~a10~0)) (exists ((v_~a1~0_380 Int)) (and (<= v_~a1~0_380 218) (< 38 v_~a1~0_380) (<= (+ (div v_~a1~0_380 5) 449582) ~a1~0) (<= 0 v_~a1~0_380))) (and (<= ~a10~0 0) (<= 23 ~a1~0)) (<= 4 ~a10~0) (<= ~a19~0 7) (and .cse0 (<= 2 ~a10~0)))) [2020-07-21 16:38:07,856 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 16:38:07,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:38:07 BoogieIcfgContainer [2020-07-21 16:38:07,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:38:07,884 INFO L168 Benchmark]: Toolchain (without parser) took 60444.63 ms. Allocated memory was 140.0 MB in the beginning and 483.4 MB in the end (delta: 343.4 MB). Free memory was 103.2 MB in the beginning and 411.5 MB in the end (delta: -308.3 MB). Peak memory consumption was 338.7 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:07,885 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 16:38:07,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.63 ms. Allocated memory was 140.0 MB in the beginning and 206.6 MB in the end (delta: 66.6 MB). Free memory was 102.8 MB in the beginning and 172.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:07,886 INFO L168 Benchmark]: Boogie Preprocessor took 136.47 ms. Allocated memory is still 206.6 MB. Free memory was 172.3 MB in the beginning and 168.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:07,887 INFO L168 Benchmark]: RCFGBuilder took 1363.85 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 167.4 MB in the beginning and 178.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:07,888 INFO L168 Benchmark]: TraceAbstraction took 58238.52 ms. Allocated memory was 237.5 MB in the beginning and 483.4 MB in the end (delta: 245.9 MB). Free memory was 178.1 MB in the beginning and 411.5 MB in the end (delta: -233.4 MB). Peak memory consumption was 316.0 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:07,891 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 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.63 ms. Allocated memory was 140.0 MB in the beginning and 206.6 MB in the end (delta: 66.6 MB). Free memory was 102.8 MB in the beginning and 172.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.47 ms. Allocated memory is still 206.6 MB. Free memory was 172.3 MB in the beginning and 168.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1363.85 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 167.4 MB in the beginning and 178.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58238.52 ms. Allocated memory was 237.5 MB in the beginning and 483.4 MB in the end (delta: 245.9 MB). Free memory was 178.1 MB in the beginning and 411.5 MB in the end (delta: -233.4 MB). Peak memory consumption was 316.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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 [2020-07-21 16:38:07,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] [2020-07-21 16:38:07,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_380,QUANTIFIED] Derived loop invariant: ((((((((((!(23 <= \old(a1)) || 9 <= a19) || (a10 <= 2 && 218 < a1)) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (a1 <= 23 && 0 < a10)) || (\exists v_~a1~0_380 : int :: ((v_~a1~0_380 <= 218 && 38 < v_~a1~0_380) && v_~a1~0_380 / 5 + 449582 <= a1) && 0 <= v_~a1~0_380)) || (a10 <= 0 && 23 <= a1)) || 4 <= a10) || a19 <= 7) || (a10 <= 2 && 2 <= a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.1s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 36.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 777 SDtfs, 3236 SDslu, 470 SDs, 0 SdLazy, 8855 SolverSat, 1712 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2257 GetRequests, 2167 SyntacticMatches, 7 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 28.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3101occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1434 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 173 PreInvPairs, 345 NumberOfFragments, 432 HoareAnnotationTreeSize, 173 FomulaSimplifications, 48839 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6821 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 1457 NumberOfCodeBlocks, 1457 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2131 ConstructedInterpolants, 46 QuantifiedInterpolants, 1531495 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2809 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 1231/1439 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...