/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_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 14:03:35,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 14:03:35,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 14:03:35,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 14:03:35,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 14:03:35,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 14:03:35,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 14:03:35,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 14:03:35,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 14:03:35,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 14:03:35,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 14:03:35,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 14:03:35,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 14:03:35,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 14:03:35,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 14:03:35,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 14:03:35,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 14:03:35,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 14:03:35,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 14:03:35,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 14:03:35,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 14:03:35,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 14:03:35,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 14:03:35,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 14:03:35,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 14:03:35,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 14:03:35,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 14:03:35,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 14:03:35,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 14:03:35,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 14:03:35,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 14:03:35,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 14:03:35,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 14:03:35,190 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 14:03:35,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 14:03:35,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 14:03:35,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 14:03:35,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 14:03:35,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 14:03:35,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 14:03:35,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 14:03:35,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 14:03:35,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 14:03:35,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 14:03:35,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 14:03:35,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 14:03:35,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 14:03:35,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 14:03:35,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 14:03:35,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 14:03:35,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:03:35,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 14:03:35,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 14:03:35,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 14:03:35,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 14:03:35,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:35,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 14:03:35,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 14:03:35,196 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_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 14:03:35,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 14:03:35,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 14:03:35,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 14:03:35,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 14:03:35,505 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 14:03:35,506 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-07-20 14:03:35,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469f427eb/bcacfb8a4e69498182a29cca13eb5ea4/FLAG1dadbd9c9 [2020-07-20 14:03:36,096 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 14:03:36,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-07-20 14:03:36,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469f427eb/bcacfb8a4e69498182a29cca13eb5ea4/FLAG1dadbd9c9 [2020-07-20 14:03:36,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469f427eb/bcacfb8a4e69498182a29cca13eb5ea4 [2020-07-20 14:03:36,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 14:03:36,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 14:03:36,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 14:03:36,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 14:03:36,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 14:03:36,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:03:36" (1/1) ... [2020-07-20 14:03:36,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ed24b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:36, skipping insertion in model container [2020-07-20 14:03:36,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:03:36" (1/1) ... [2020-07-20 14:03:36,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 14:03:36,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 14:03:36,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:03:36,888 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 14:03:37,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:03:37,176 INFO L208 MainTranslator]: Completed translation [2020-07-20 14:03:37,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37 WrapperNode [2020-07-20 14:03:37,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 14:03:37,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 14:03:37,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 14:03:37,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 14:03:37,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37" (1/1) ... [2020-07-20 14:03:37,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37" (1/1) ... [2020-07-20 14:03:37,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37" (1/1) ... [2020-07-20 14:03:37,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37" (1/1) ... [2020-07-20 14:03:37,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37" (1/1) ... [2020-07-20 14:03:37,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37" (1/1) ... [2020-07-20 14:03:37,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37" (1/1) ... [2020-07-20 14:03:37,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 14:03:37,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 14:03:37,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 14:03:37,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 14:03:37,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:03:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 14:03:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 14:03:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 14:03:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 14:03:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 14:03:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 14:03:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 14:03:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 14:03:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 14:03:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 14:03:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 14:03:38,607 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 14:03:38,607 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 14:03:38,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:03:38 BoogieIcfgContainer [2020-07-20 14:03:38,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 14:03:38,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 14:03:38,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 14:03:38,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 14:03:38,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:03:36" (1/3) ... [2020-07-20 14:03:38,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630a0f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:03:38, skipping insertion in model container [2020-07-20 14:03:38,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:03:37" (2/3) ... [2020-07-20 14:03:38,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630a0f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:03:38, skipping insertion in model container [2020-07-20 14:03:38,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:03:38" (3/3) ... [2020-07-20 14:03:38,623 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-07-20 14:03:38,634 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 14:03:38,642 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 14:03:38,657 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 14:03:38,684 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 14:03:38,684 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 14:03:38,684 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 14:03:38,685 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 14:03:38,685 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 14:03:38,685 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 14:03:38,685 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 14:03:38,686 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 14:03:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 14:03:38,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-07-20 14:03:38,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:38,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:03:38,724 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:38,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:38,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1377016033, now seen corresponding path program 1 times [2020-07-20 14:03:38,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:38,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16160867] [2020-07-20 14:03:38,745 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:38,955 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:38,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:38,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:03:38,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:39,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:03:39,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16160867] [2020-07-20 14:03:39,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:03:39,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:03:39,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152776608] [2020-07-20 14:03:39,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:03:39,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:39,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:03:39,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:39,108 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-20 14:03:40,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:40,039 INFO L93 Difference]: Finished difference Result 572 states and 963 transitions. [2020-07-20 14:03:40,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:03:40,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-07-20 14:03:40,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:40,059 INFO L225 Difference]: With dead ends: 572 [2020-07-20 14:03:40,059 INFO L226 Difference]: Without dead ends: 278 [2020-07-20 14:03:40,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:40,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-20 14:03:40,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-20 14:03:40,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-20 14:03:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2020-07-20 14:03:40,140 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 115 [2020-07-20 14:03:40,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:40,141 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2020-07-20 14:03:40,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:03:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2020-07-20 14:03:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-20 14:03:40,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:40,146 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:03:40,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:40,360 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:40,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:40,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1300380632, now seen corresponding path program 1 times [2020-07-20 14:03:40,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:40,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300357442] [2020-07-20 14:03:40,362 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:40,486 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:40,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:40,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:03:40,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:40,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:03:40,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300357442] [2020-07-20 14:03:40,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:03:40,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:03:40,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86080230] [2020-07-20 14:03:40,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:03:40,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:40,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:03:40,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:03:40,557 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 5 states. [2020-07-20 14:03:41,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:41,447 INFO L93 Difference]: Finished difference Result 842 states and 1218 transitions. [2020-07-20 14:03:41,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 14:03:41,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-07-20 14:03:41,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:41,457 INFO L225 Difference]: With dead ends: 842 [2020-07-20 14:03:41,457 INFO L226 Difference]: Without dead ends: 570 [2020-07-20 14:03:41,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 14:03:41,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-07-20 14:03:41,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 556. [2020-07-20 14:03:41,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-20 14:03:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2020-07-20 14:03:41,553 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 125 [2020-07-20 14:03:41,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:41,553 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2020-07-20 14:03:41,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:03:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2020-07-20 14:03:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-20 14:03:41,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:41,559 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:03:41,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:41,772 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:41,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:41,774 INFO L82 PathProgramCache]: Analyzing trace with hash 860697510, now seen corresponding path program 1 times [2020-07-20 14:03:41,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:41,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007706749] [2020-07-20 14:03:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:41,912 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:41,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:41,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:03:41,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:41,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:03:41,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007706749] [2020-07-20 14:03:42,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:03:42,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:03:42,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792053227] [2020-07-20 14:03:42,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:03:42,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:42,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:03:42,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:42,012 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 3 states. [2020-07-20 14:03:42,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:42,635 INFO L93 Difference]: Finished difference Result 1650 states and 2372 transitions. [2020-07-20 14:03:42,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:03:42,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-20 14:03:42,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:42,648 INFO L225 Difference]: With dead ends: 1650 [2020-07-20 14:03:42,648 INFO L226 Difference]: Without dead ends: 1100 [2020-07-20 14:03:42,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:42,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2020-07-20 14:03:42,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2020-07-20 14:03:42,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2020-07-20 14:03:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1419 transitions. [2020-07-20 14:03:42,701 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1419 transitions. Word has length 126 [2020-07-20 14:03:42,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:42,702 INFO L479 AbstractCegarLoop]: Abstraction has 1100 states and 1419 transitions. [2020-07-20 14:03:42,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:03:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1419 transitions. [2020-07-20 14:03:42,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 14:03:42,713 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:42,714 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:03:42,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:42,929 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:42,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:42,930 INFO L82 PathProgramCache]: Analyzing trace with hash 475291139, now seen corresponding path program 1 times [2020-07-20 14:03:42,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:42,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070594631] [2020-07-20 14:03:42,931 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:43,068 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:43,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:43,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:03:43,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:43,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:03:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:43,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070594631] [2020-07-20 14:03:43,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:03:43,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 14:03:43,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326989486] [2020-07-20 14:03:43,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 14:03:43,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:43,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 14:03:43,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:03:43,201 INFO L87 Difference]: Start difference. First operand 1100 states and 1419 transitions. Second operand 7 states. [2020-07-20 14:03:44,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:44,800 INFO L93 Difference]: Finished difference Result 3362 states and 4642 transitions. [2020-07-20 14:03:44,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 14:03:44,801 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-07-20 14:03:44,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:44,818 INFO L225 Difference]: With dead ends: 3362 [2020-07-20 14:03:44,819 INFO L226 Difference]: Without dead ends: 2268 [2020-07-20 14:03:44,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 14:03:44,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2020-07-20 14:03:44,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2071. [2020-07-20 14:03:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-07-20 14:03:44,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2709 transitions. [2020-07-20 14:03:44,909 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2709 transitions. Word has length 146 [2020-07-20 14:03:44,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:44,910 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2709 transitions. [2020-07-20 14:03:44,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 14:03:44,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2709 transitions. [2020-07-20 14:03:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 14:03:44,919 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:44,920 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:03:45,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:45,134 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:45,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:45,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1857565813, now seen corresponding path program 1 times [2020-07-20 14:03:45,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:45,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724369284] [2020-07-20 14:03:45,135 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:45,317 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:45,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:45,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:03:45,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 14:03:45,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:03:45,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724369284] [2020-07-20 14:03:45,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:03:45,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:03:45,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833524839] [2020-07-20 14:03:45,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:03:45,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:45,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:03:45,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:45,362 INFO L87 Difference]: Start difference. First operand 2071 states and 2709 transitions. Second operand 3 states. [2020-07-20 14:03:46,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:46,012 INFO L93 Difference]: Finished difference Result 5502 states and 7364 transitions. [2020-07-20 14:03:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:03:46,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-20 14:03:46,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:46,035 INFO L225 Difference]: With dead ends: 5502 [2020-07-20 14:03:46,035 INFO L226 Difference]: Without dead ends: 3441 [2020-07-20 14:03:46,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:46,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2020-07-20 14:03:46,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3304. [2020-07-20 14:03:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3304 states. [2020-07-20 14:03:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4339 transitions. [2020-07-20 14:03:46,140 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4339 transitions. Word has length 150 [2020-07-20 14:03:46,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:46,141 INFO L479 AbstractCegarLoop]: Abstraction has 3304 states and 4339 transitions. [2020-07-20 14:03:46,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:03:46,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4339 transitions. [2020-07-20 14:03:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 14:03:46,152 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:46,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:03:46,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:46,367 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:46,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:46,368 INFO L82 PathProgramCache]: Analyzing trace with hash -469327528, now seen corresponding path program 1 times [2020-07-20 14:03:46,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:46,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256650006] [2020-07-20 14:03:46,369 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:46,512 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:46,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:46,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:03:46,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:46,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:03:46,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256650006] [2020-07-20 14:03:46,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:03:46,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:03:46,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920095938] [2020-07-20 14:03:46,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:03:46,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:46,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:03:46,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:46,564 INFO L87 Difference]: Start difference. First operand 3304 states and 4339 transitions. Second operand 3 states. [2020-07-20 14:03:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:47,244 INFO L93 Difference]: Finished difference Result 9463 states and 12663 transitions. [2020-07-20 14:03:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:03:47,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-20 14:03:47,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:47,281 INFO L225 Difference]: With dead ends: 9463 [2020-07-20 14:03:47,281 INFO L226 Difference]: Without dead ends: 6169 [2020-07-20 14:03:47,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:47,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6169 states. [2020-07-20 14:03:47,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6169 to 5629. [2020-07-20 14:03:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5629 states. [2020-07-20 14:03:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5629 states to 5629 states and 7430 transitions. [2020-07-20 14:03:47,490 INFO L78 Accepts]: Start accepts. Automaton has 5629 states and 7430 transitions. Word has length 149 [2020-07-20 14:03:47,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:47,491 INFO L479 AbstractCegarLoop]: Abstraction has 5629 states and 7430 transitions. [2020-07-20 14:03:47,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:03:47,491 INFO L276 IsEmpty]: Start isEmpty. Operand 5629 states and 7430 transitions. [2020-07-20 14:03:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-20 14:03:47,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:47,514 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:03:47,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:47,728 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:47,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:47,728 INFO L82 PathProgramCache]: Analyzing trace with hash 974025645, now seen corresponding path program 1 times [2020-07-20 14:03:47,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:47,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168455921] [2020-07-20 14:03:47,729 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:47,936 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:47,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:47,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:03:47,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:47,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:03:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:48,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168455921] [2020-07-20 14:03:48,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:03:48,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 14:03:48,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335060366] [2020-07-20 14:03:48,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 14:03:48,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:48,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 14:03:48,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:03:48,055 INFO L87 Difference]: Start difference. First operand 5629 states and 7430 transitions. Second operand 6 states. [2020-07-20 14:03:48,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:48,912 INFO L93 Difference]: Finished difference Result 10095 states and 13389 transitions. [2020-07-20 14:03:48,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 14:03:48,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-07-20 14:03:48,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:48,945 INFO L225 Difference]: With dead ends: 10095 [2020-07-20 14:03:48,945 INFO L226 Difference]: Without dead ends: 5955 [2020-07-20 14:03:48,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 14:03:48,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5955 states. [2020-07-20 14:03:49,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5955 to 5260. [2020-07-20 14:03:49,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5260 states. [2020-07-20 14:03:49,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5260 states to 5260 states and 6833 transitions. [2020-07-20 14:03:49,185 INFO L78 Accepts]: Start accepts. Automaton has 5260 states and 6833 transitions. Word has length 165 [2020-07-20 14:03:49,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:49,185 INFO L479 AbstractCegarLoop]: Abstraction has 5260 states and 6833 transitions. [2020-07-20 14:03:49,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 14:03:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5260 states and 6833 transitions. [2020-07-20 14:03:49,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-20 14:03:49,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:49,207 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, 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] [2020-07-20 14:03:49,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:49,423 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:49,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:49,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1855551297, now seen corresponding path program 1 times [2020-07-20 14:03:49,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:49,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360757112] [2020-07-20 14:03:49,425 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:49,556 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:49,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:49,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:03:49,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:49,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:03:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:03:49,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360757112] [2020-07-20 14:03:49,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:03:49,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 14:03:49,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135710205] [2020-07-20 14:03:49,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 14:03:49,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:49,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 14:03:49,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:03:49,682 INFO L87 Difference]: Start difference. First operand 5260 states and 6833 transitions. Second operand 7 states. [2020-07-20 14:03:51,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:51,421 INFO L93 Difference]: Finished difference Result 14103 states and 18938 transitions. [2020-07-20 14:03:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 14:03:51,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 175 [2020-07-20 14:03:51,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:51,468 INFO L225 Difference]: With dead ends: 14103 [2020-07-20 14:03:51,468 INFO L226 Difference]: Without dead ends: 8853 [2020-07-20 14:03:51,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 14:03:51,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8853 states. [2020-07-20 14:03:51,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8853 to 7065. [2020-07-20 14:03:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7065 states. [2020-07-20 14:03:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 9028 transitions. [2020-07-20 14:03:51,700 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 9028 transitions. Word has length 175 [2020-07-20 14:03:51,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:51,701 INFO L479 AbstractCegarLoop]: Abstraction has 7065 states and 9028 transitions. [2020-07-20 14:03:51,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 14:03:51,701 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 9028 transitions. [2020-07-20 14:03:51,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-20 14:03:51,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:51,729 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:03:51,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:51,944 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:51,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:51,945 INFO L82 PathProgramCache]: Analyzing trace with hash 488984115, now seen corresponding path program 1 times [2020-07-20 14:03:51,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:51,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787144763] [2020-07-20 14:03:51,946 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:52,118 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:52,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:52,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:03:52,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-20 14:03:52,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:03:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-20 14:03:52,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787144763] [2020-07-20 14:03:52,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:03:52,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 14:03:52,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658666428] [2020-07-20 14:03:52,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 14:03:52,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:52,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 14:03:52,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:03:52,384 INFO L87 Difference]: Start difference. First operand 7065 states and 9028 transitions. Second operand 6 states. [2020-07-20 14:03:53,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:53,425 INFO L93 Difference]: Finished difference Result 15073 states and 20225 transitions. [2020-07-20 14:03:53,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 14:03:53,426 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2020-07-20 14:03:53,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:53,463 INFO L225 Difference]: With dead ends: 15073 [2020-07-20 14:03:53,463 INFO L226 Difference]: Without dead ends: 8558 [2020-07-20 14:03:53,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 386 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 14:03:53,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2020-07-20 14:03:53,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 7756. [2020-07-20 14:03:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7756 states. [2020-07-20 14:03:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 9748 transitions. [2020-07-20 14:03:53,900 INFO L78 Accepts]: Start accepts. Automaton has 7756 states and 9748 transitions. Word has length 195 [2020-07-20 14:03:53,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:53,901 INFO L479 AbstractCegarLoop]: Abstraction has 7756 states and 9748 transitions. [2020-07-20 14:03:53,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 14:03:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 7756 states and 9748 transitions. [2020-07-20 14:03:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 14:03:53,928 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:03:53,929 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:03:54,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:54,143 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:03:54,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:03:54,145 INFO L82 PathProgramCache]: Analyzing trace with hash -316968591, now seen corresponding path program 1 times [2020-07-20 14:03:54,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:03:54,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830879660] [2020-07-20 14:03:54,145 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:54,299 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:03:54,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:03:54,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:03:54,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:03:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-07-20 14:03:54,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:03:54,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830879660] [2020-07-20 14:03:54,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:03:54,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:03:54,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556505855] [2020-07-20 14:03:54,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:03:54,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:03:54,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:03:54,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:54,366 INFO L87 Difference]: Start difference. First operand 7756 states and 9748 transitions. Second operand 3 states. [2020-07-20 14:03:54,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:03:54,945 INFO L93 Difference]: Finished difference Result 13326 states and 16757 transitions. [2020-07-20 14:03:54,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:03:54,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-07-20 14:03:54,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:03:54,946 INFO L225 Difference]: With dead ends: 13326 [2020-07-20 14:03:54,947 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 14:03:54,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:03:54,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 14:03:54,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 14:03:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 14:03:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 14:03:54,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2020-07-20 14:03:54,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:03:54,975 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 14:03:54,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:03:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 14:03:54,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 14:03:55,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:03:55,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 14:03:56,309 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 169 [2020-07-20 14:03:56,797 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 169 [2020-07-20 14:03:58,121 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 202 DAG size of output: 75 [2020-07-20 14:03:58,693 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 34 [2020-07-20 14:03:59,295 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 34 [2020-07-20 14:03:59,299 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:03:59,300 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 |old(~a16~0)|) (<= |old(~a16~0)| ~a16~0)) [2020-07-20 14:03:59,300 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:03:59,300 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 14:03:59,300 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 14:03:59,300 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,300 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,301 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,301 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,301 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,301 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,302 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 14:03:59,302 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 14:03:59,302 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 14:03:59,302 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 14:03:59,302 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 14:03:59,303 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 14:03:59,303 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 14:03:59,303 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 14:03:59,303 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 14:03:59,303 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 14:03:59,303 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,303 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,303 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,304 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,304 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,304 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,304 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 14:03:59,304 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 14:03:59,304 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 14:03:59,304 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 14:03:59,304 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 14:03:59,305 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 14:03:59,305 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 14:03:59,305 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 14:03:59,305 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 14:03:59,305 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 14:03:59,305 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 14:03:59,305 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,306 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 14:03:59,307 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 14:03:59,307 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 14:03:59,307 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 14:03:59,307 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 14:03:59,307 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 14:03:59,307 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 14:03:59,307 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 14:03:59,308 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 14:03:59,308 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,308 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,308 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,308 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,308 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,308 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 14:03:59,308 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 14:03:59,309 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 14:03:59,309 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 14:03:59,309 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 14:03:59,309 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 14:03:59,309 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 14:03:59,309 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 14:03:59,309 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 14:03:59,309 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 14:03:59,310 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 14:03:59,310 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 14:03:59,310 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 14:03:59,310 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,310 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,310 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,310 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,310 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,311 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 14:03:59,312 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 14:03:59,313 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 14:03:59,314 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 14:03:59,314 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 14:03:59,314 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 14:03:59,314 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 14:03:59,314 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 14:03:59,314 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,314 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,314 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 14:03:59,315 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (<= 15 |old(~a8~0)|))) (.cse14 (not (<= |old(~a7~0)| 0))) (.cse13 (<= ~a7~0 0)) (.cse1 (<= ~a8~0 |old(~a8~0)|)) (.cse11 (not (<= |old(~a8~0)| 14))) (.cse12 (not (<= |old(~a16~0)| 5))) (.cse7 (not (<= |old(~a17~0)| 0))) (.cse9 (not (<= |old(~a8~0)| 13))) (.cse4 (not (<= |old(~a20~0)| 0))) (.cse15 (not (<= |old(~a16~0)| 4))) (.cse6 (<= ~a17~0 0)) (.cse8 (<= ~a8~0 14)) (.cse2 (<= ~a16~0 |old(~a16~0)|)) (.cse16 (<= ~a8~0 13)) (.cse3 (<= |old(~a16~0)| ~a16~0)) (.cse5 (<= ~a20~0 0))) (and (or .cse0 (and .cse1 .cse2 .cse3 (<= 15 ~a8~0))) (or .cse0 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or (and .cse2 .cse6 (<= 5 ~a16~0) .cse8) (let ((.cse10 (not (<= 5 |old(~a16~0)|)))) (and (or .cse9 .cse10 .cse7) (or .cse11 .cse12 .cse10 .cse7)))) (or .cse0 .cse13 .cse14) (or (and (or .cse14 .cse11 .cse15) (or .cse11 .cse14 .cse4 .cse7) (or .cse14 .cse9)) (and (or (and .cse2 .cse13 .cse8 (<= ~a16~0 4)) (and .cse2 .cse6 .cse13 .cse5 .cse8) (and .cse2 .cse16 .cse13)) .cse3)) (or .cse9 (and .cse1 .cse2 .cse3)) (or (and (or .cse11 .cse12 .cse4 .cse7) (or .cse9 .cse4 .cse15)) (and .cse2 .cse3 .cse6 .cse5 .cse8) (and .cse2 .cse16 .cse3 .cse5)))) [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 14:03:59,316 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,317 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 14:03:59,318 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 14:03:59,319 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0)) [2020-07-20 14:03:59,320 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:03:59,320 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 5 |old(~a16~0)|)) (and (<= ~a8~0 |old(~a8~0)|) (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0))) [2020-07-20 14:03:59,320 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 14:03:59,321 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (<= ~a20~0 0)) (.cse3 (<= ~a7~0 0)) (.cse2 (<= ~a16~0 4))) (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (and .cse0 (<= ~a16~0 5) (<= 5 ~a16~0)) (and .cse0 .cse3 .cse1) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse2))) [2020-07-20 14:03:59,321 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 14:03:59,321 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 14:03:59,321 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (<= ~a20~0 0)) (.cse3 (<= ~a7~0 0)) (.cse2 (<= ~a16~0 4))) (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (and .cse0 (<= ~a16~0 5) (<= 5 ~a16~0)) (and .cse0 .cse3 .cse1) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse2))) [2020-07-20 14:03:59,321 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 14:03:59,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:03:59 BoogieIcfgContainer [2020-07-20 14:03:59,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 14:03:59,342 INFO L168 Benchmark]: Toolchain (without parser) took 22972.18 ms. Allocated memory was 145.2 MB in the beginning and 572.0 MB in the end (delta: 426.8 MB). Free memory was 101.2 MB in the beginning and 147.7 MB in the end (delta: -46.5 MB). Peak memory consumption was 479.7 MB. Max. memory is 7.1 GB. [2020-07-20 14:03:59,342 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 14:03:59,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.72 ms. Allocated memory was 145.2 MB in the beginning and 206.6 MB in the end (delta: 61.3 MB). Free memory was 100.8 MB in the beginning and 172.4 MB in the end (delta: -71.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2020-07-20 14:03:59,344 INFO L168 Benchmark]: Boogie Preprocessor took 112.39 ms. Allocated memory is still 206.6 MB. Free memory was 172.4 MB in the beginning and 168.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 14:03:59,345 INFO L168 Benchmark]: RCFGBuilder took 1323.51 ms. Allocated memory was 206.6 MB in the beginning and 239.6 MB in the end (delta: 33.0 MB). Free memory was 168.3 MB in the beginning and 183.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-20 14:03:59,346 INFO L168 Benchmark]: TraceAbstraction took 20725.00 ms. Allocated memory was 239.6 MB in the beginning and 572.0 MB in the end (delta: 332.4 MB). Free memory was 181.7 MB in the beginning and 147.7 MB in the end (delta: 34.0 MB). Peak memory consumption was 465.8 MB. Max. memory is 7.1 GB. [2020-07-20 14:03:59,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 805.72 ms. Allocated memory was 145.2 MB in the beginning and 206.6 MB in the end (delta: 61.3 MB). Free memory was 100.8 MB in the beginning and 172.4 MB in the end (delta: -71.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.39 ms. Allocated memory is still 206.6 MB. Free memory was 172.4 MB in the beginning and 168.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.51 ms. Allocated memory was 206.6 MB in the beginning and 239.6 MB in the end (delta: 33.0 MB). Free memory was 168.3 MB in the beginning and 183.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20725.00 ms. Allocated memory was 239.6 MB in the beginning and 572.0 MB in the end (delta: 332.4 MB). Free memory was 181.7 MB in the beginning and 147.7 MB in the end (delta: 34.0 MB). Peak memory consumption was 465.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((a8 <= 13 || !(15 <= \old(a8))) || ((a17 <= 0 && a20 <= 0) && a16 <= 4)) || !(\old(a7) <= 0)) || 15 <= a8) || !(\old(a16) <= 5)) || ((a17 <= 0 && a16 <= 5) && 5 <= a16)) || ((a17 <= 0 && a7 <= 0) && a20 <= 0)) || !(5 <= \old(a16))) || (a7 <= 0 && a16 <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.5s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 893 SDtfs, 2717 SDslu, 317 SDs, 0 SdLazy, 6704 SolverSat, 1027 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2250 GetRequests, 2205 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7756occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 4173 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 272 PreInvPairs, 386 NumberOfFragments, 438 HoareAnnotationTreeSize, 272 FomulaSimplifications, 44345 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9121 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1558 NumberOfCodeBlocks, 1558 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2225 ConstructedInterpolants, 0 QuantifiedInterpolants, 646031 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4380 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 964/980 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...