/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:37:22,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:37:22,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:37:22,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 20:37:22,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:37:22,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:37:22,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:37:22,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:37:22,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:37:22,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:37:22,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:37:22,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:37:22,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:37:22,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:37:22,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:37:22,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:37:22,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:37:22,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:37:22,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:37:22,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:37:22,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:37:22,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:37:22,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:37:22,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:37:22,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 20:37:22,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:37:22,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:37:22,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:37:22,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 20:37:22,869 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:37:22,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:37:22,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:37:22,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:37:22,874 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:37:22,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:37:22,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:37:22,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:37:22,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:37:22,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:37:22,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:37:22,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:37:22,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:37:22,876 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:37:22,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:37:22,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:37:22,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:37:22,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:37:22,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:37:22,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:37:22,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:37:22,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:37:22,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:37:22,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:37:22,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:37:22,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:37:22,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:37:22,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:37:22,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:37:22,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:37:23,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:37:23,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:37:23,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:37:23,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:37:23,198 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:37:23,198 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-21 20:37:23,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75242f10/b838b99adb594d1d8b425d0b529814d8/FLAG7ee3e876c [2020-07-21 20:37:23,777 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:37:23,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-21 20:37:23,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75242f10/b838b99adb594d1d8b425d0b529814d8/FLAG7ee3e876c [2020-07-21 20:37:24,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75242f10/b838b99adb594d1d8b425d0b529814d8 [2020-07-21 20:37:24,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:37:24,169 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:37:24,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:37:24,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:37:24,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:37:24,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:37:24" (1/1) ... [2020-07-21 20:37:24,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289a8795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24, skipping insertion in model container [2020-07-21 20:37:24,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:37:24" (1/1) ... [2020-07-21 20:37:24,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:37:24,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:37:24,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:37:24,845 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:37:24,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:37:24,968 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:37:24,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24 WrapperNode [2020-07-21 20:37:24,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:37:24,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:37:24,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:37:24,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:37:24,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24" (1/1) ... [2020-07-21 20:37:24,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24" (1/1) ... [2020-07-21 20:37:25,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24" (1/1) ... [2020-07-21 20:37:25,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24" (1/1) ... [2020-07-21 20:37:25,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24" (1/1) ... [2020-07-21 20:37:25,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24" (1/1) ... [2020-07-21 20:37:25,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24" (1/1) ... [2020-07-21 20:37:25,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:37:25,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:37:25,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:37:25,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:37:25,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:37:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:37:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:37:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:37:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:37:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 20:37:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 20:37:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:37:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 20:37:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 20:37:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 20:37:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 20:37:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 20:37:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 20:37:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:37:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:37:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 20:37:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 20:37:28,413 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:37:28,414 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 20:37:28,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:37:28 BoogieIcfgContainer [2020-07-21 20:37:28,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:37:28,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:37:28,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:37:28,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:37:28,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:37:24" (1/3) ... [2020-07-21 20:37:28,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213a717e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:37:28, skipping insertion in model container [2020-07-21 20:37:28,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:37:24" (2/3) ... [2020-07-21 20:37:28,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213a717e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:37:28, skipping insertion in model container [2020-07-21 20:37:28,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:37:28" (3/3) ... [2020-07-21 20:37:28,429 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2020-07-21 20:37:28,441 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:37:28,450 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:37:28,468 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:37:28,498 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:37:28,498 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:37:28,498 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:37:28,499 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:37:28,499 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:37:28,499 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:37:28,499 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:37:28,500 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:37:28,522 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-21 20:37:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-21 20:37:28,531 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:37:28,533 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] [2020-07-21 20:37:28,533 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:37:28,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:37:28,540 INFO L82 PathProgramCache]: Analyzing trace with hash 377540282, now seen corresponding path program 1 times [2020-07-21 20:37:28,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:37:28,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314564992] [2020-07-21 20:37:28,551 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:37:28,891 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:37:28,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:37:28,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 20:37:28,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:37:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:37:29,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:37:29,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314564992] [2020-07-21 20:37:29,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:37:29,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-21 20:37:29,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136230411] [2020-07-21 20:37:29,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 20:37:29,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:37:29,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 20:37:29,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-07-21 20:37:29,208 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 13 states. [2020-07-21 20:37:49,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:37:49,766 INFO L93 Difference]: Finished difference Result 90 states and 134 transitions. [2020-07-21 20:37:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 20:37:49,773 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2020-07-21 20:37:49,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:37:49,796 INFO L225 Difference]: With dead ends: 90 [2020-07-21 20:37:49,797 INFO L226 Difference]: Without dead ends: 57 [2020-07-21 20:37:49,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-21 20:37:49,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-21 20:37:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-07-21 20:37:49,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-21 20:37:49,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2020-07-21 20:37:49,873 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2020-07-21 20:37:49,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:37:49,874 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2020-07-21 20:37:49,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 20:37:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2020-07-21 20:37:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 20:37:49,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:37:49,878 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 20:37:50,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:37:50,093 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:37:50,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:37:50,094 INFO L82 PathProgramCache]: Analyzing trace with hash -849330057, now seen corresponding path program 1 times [2020-07-21 20:37:50,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:37:50,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084424866] [2020-07-21 20:37:50,095 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:37:50,360 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:37:50,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:37:50,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 20:37:50,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:37:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:37:50,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:37:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:37:55,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084424866] [2020-07-21 20:37:55,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:37:55,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-21 20:37:55,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492416975] [2020-07-21 20:37:55,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-21 20:37:55,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:37:55,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-21 20:37:55,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=477, Unknown=2, NotChecked=0, Total=650 [2020-07-21 20:37:55,343 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 26 states. [2020-07-21 20:38:13,051 WARN L193 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-21 20:38:15,484 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 20:38:18,122 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 20:38:21,263 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 20:38:34,428 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 20:39:07,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:39:07,898 INFO L93 Difference]: Finished difference Result 99 states and 106 transitions. [2020-07-21 20:39:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-21 20:39:07,901 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 53 [2020-07-21 20:39:07,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:39:07,905 INFO L225 Difference]: With dead ends: 99 [2020-07-21 20:39:07,907 INFO L226 Difference]: Without dead ends: 96 [2020-07-21 20:39:07,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 49.8s TimeCoverageRelationStatistics Valid=733, Invalid=1909, Unknown=10, NotChecked=0, Total=2652 [2020-07-21 20:39:07,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-21 20:39:07,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2020-07-21 20:39:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-21 20:39:07,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2020-07-21 20:39:07,930 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 53 [2020-07-21 20:39:07,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:39:07,930 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2020-07-21 20:39:07,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-21 20:39:07,931 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2020-07-21 20:39:07,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 20:39:07,934 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:39:07,935 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:39:08,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:39:08,136 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:39:08,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:39:08,137 INFO L82 PathProgramCache]: Analyzing trace with hash 769279991, now seen corresponding path program 2 times [2020-07-21 20:39:08,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:39:08,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377777350] [2020-07-21 20:39:08,139 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:39:41,601 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:39:41,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:39:41,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 41 conjunts are in the unsatisfiable core [2020-07-21 20:39:41,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:39:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:39:42,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:40:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:40:02,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377777350] [2020-07-21 20:40:02,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:40:02,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 42 [2020-07-21 20:40:02,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758871425] [2020-07-21 20:40:02,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-07-21 20:40:02,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:40:02,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-07-21 20:40:02,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=1270, Unknown=9, NotChecked=0, Total=1722 [2020-07-21 20:40:02,598 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 42 states. [2020-07-21 20:40:41,504 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 98 DAG size of output: 13 [2020-07-21 20:40:45,910 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 100 DAG size of output: 15 [2020-07-21 20:40:54,807 WARN L193 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-21 20:41:03,039 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-21 20:41:08,204 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 85 DAG size of output: 15 [2020-07-21 20:41:15,432 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 15 [2020-07-21 20:41:30,690 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-21 20:41:41,870 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 20:41:44,285 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-21 20:42:01,173 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 20:42:07,453 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 20:42:12,541 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 20:42:15,273 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 20:42:24,583 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 20:42:33,648 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 20:42:42,684 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2020-07-21 20:42:56,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:42:56,117 INFO L93 Difference]: Finished difference Result 199 states and 218 transitions. [2020-07-21 20:42:56,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-21 20:42:56,119 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 93 [2020-07-21 20:42:56,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:42:56,122 INFO L225 Difference]: With dead ends: 199 [2020-07-21 20:42:56,123 INFO L226 Difference]: Without dead ends: 196 [2020-07-21 20:42:56,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 146 SyntacticMatches, 3 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 142.4s TimeCoverageRelationStatistics Valid=1744, Invalid=4882, Unknown=16, NotChecked=0, Total=6642 [2020-07-21 20:42:56,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-21 20:42:56,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 194. [2020-07-21 20:42:56,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-07-21 20:42:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2020-07-21 20:42:56,162 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 93 [2020-07-21 20:42:56,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:42:56,163 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2020-07-21 20:42:56,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-07-21 20:42:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2020-07-21 20:42:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-21 20:42:56,176 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:42:56,176 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:42:56,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:42:56,393 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:42:56,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:42:56,394 INFO L82 PathProgramCache]: Analyzing trace with hash -470398281, now seen corresponding path program 3 times [2020-07-21 20:42:56,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:42:56,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702984347] [2020-07-21 20:42:56,395 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:43:54,559 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:43:54,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:43:54,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 1885 conjuncts, 81 conjunts are in the unsatisfiable core [2020-07-21 20:43:54,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:43:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 0 proven. 2117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:43:56,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:44:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 0 proven. 2117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:44:36,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702984347] [2020-07-21 20:44:36,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:44:36,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 82 [2020-07-21 20:44:36,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678587210] [2020-07-21 20:44:36,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 82 states [2020-07-21 20:44:36,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:44:36,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2020-07-21 20:44:36,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1053, Invalid=5573, Unknown=16, NotChecked=0, Total=6642 [2020-07-21 20:44:36,161 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand 82 states. [2020-07-21 20:45:16,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:45:16,006 INFO L93 Difference]: Finished difference Result 219 states and 222 transitions. [2020-07-21 20:45:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-21 20:45:16,018 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 193 [2020-07-21 20:45:16,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:45:16,022 INFO L225 Difference]: With dead ends: 219 [2020-07-21 20:45:16,022 INFO L226 Difference]: Without dead ends: 216 [2020-07-21 20:45:16,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1722 ImplicationChecksByTransitivity, 51.2s TimeCoverageRelationStatistics Valid=2259, Invalid=13473, Unknown=18, NotChecked=0, Total=15750 [2020-07-21 20:45:16,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-07-21 20:45:16,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 214. [2020-07-21 20:45:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-21 20:45:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2020-07-21 20:45:16,066 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 193 [2020-07-21 20:45:16,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:45:16,069 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2020-07-21 20:45:16,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 82 states. [2020-07-21 20:45:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2020-07-21 20:45:16,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-21 20:45:16,081 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:45:16,081 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:45:16,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:45:16,296 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:45:16,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:45:16,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1730716041, now seen corresponding path program 4 times [2020-07-21 20:45:16,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:45:16,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791485302] [2020-07-21 20:45:16,298 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:46:36,766 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:46:36,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:46:36,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 2037 conjuncts, 110 conjunts are in the unsatisfiable core [2020-07-21 20:46:37,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:46:40,236 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-07-21 20:46:40,237 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:46:40,246 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:46:40,248 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:46:40,251 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-07-21 20:46:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 99 proven. 2640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:46:40,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:46:40,758 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 20:46:40,759 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:47:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 99 proven. 2635 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:47:41,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791485302] [2020-07-21 20:47:41,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:47:41,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 91 [2020-07-21 20:47:41,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446029186] [2020-07-21 20:47:41,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 91 states [2020-07-21 20:47:41,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:47:41,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2020-07-21 20:47:41,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7084, Unknown=20, NotChecked=0, Total=8190 [2020-07-21 20:47:41,080 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand 91 states. [2020-07-21 20:49:39,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:39,745 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2020-07-21 20:49:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-21 20:49:39,746 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 213 [2020-07-21 20:49:39,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:39,748 INFO L225 Difference]: With dead ends: 216 [2020-07-21 20:49:39,748 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:49:39,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 63.4s TimeCoverageRelationStatistics Valid=1185, Invalid=7351, Unknown=20, NotChecked=0, Total=8556 [2020-07-21 20:49:39,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:49:39,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:49:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:49:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:49:39,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2020-07-21 20:49:39,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:39,757 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:49:39,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 91 states. [2020-07-21 20:49:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:49:39,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:49:39,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:39,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:49:40,312 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2020-07-21 20:49:43,032 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 379 DAG size of output: 165 [2020-07-21 20:49:43,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:49:43,040 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:49:43,040 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:49:43,040 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:49:43,040 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (< (mod ~Id_MCDC_93~0 4294967296) 42) [2020-07-21 20:49:43,040 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:49:43,041 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:49:43,041 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 134 634) no Hoare annotation was computed. [2020-07-21 20:49:43,041 INFO L268 CegarLoopResult]: For program point L275(lines 275 568) no Hoare annotation was computed. [2020-07-21 20:49:43,041 INFO L268 CegarLoopResult]: For program point L242(lines 242 586) no Hoare annotation was computed. [2020-07-21 20:49:43,041 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-21 20:49:43,041 INFO L268 CegarLoopResult]: For program point L234(lines 234 592) no Hoare annotation was computed. [2020-07-21 20:49:43,041 INFO L268 CegarLoopResult]: For program point L284(lines 284 563) no Hoare annotation was computed. [2020-07-21 20:49:43,042 INFO L268 CegarLoopResult]: For program point L301(lines 301 551) no Hoare annotation was computed. [2020-07-21 20:49:43,042 INFO L268 CegarLoopResult]: For program point L268(lines 268 569) no Hoare annotation was computed. [2020-07-21 20:49:43,042 INFO L268 CegarLoopResult]: For program point L260(lines 260 575) no Hoare annotation was computed. [2020-07-21 20:49:43,042 INFO L268 CegarLoopResult]: For program point L310(lines 310 546) no Hoare annotation was computed. [2020-07-21 20:49:43,042 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 134 634) no Hoare annotation was computed. [2020-07-21 20:49:43,042 INFO L268 CegarLoopResult]: For program point L327(lines 327 534) no Hoare annotation was computed. [2020-07-21 20:49:43,042 INFO L268 CegarLoopResult]: For program point L294(lines 294 552) no Hoare annotation was computed. [2020-07-21 20:49:43,042 INFO L268 CegarLoopResult]: For program point L162(lines 162 633) no Hoare annotation was computed. [2020-07-21 20:49:43,042 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 465) no Hoare annotation was computed. [2020-07-21 20:49:43,043 INFO L268 CegarLoopResult]: For program point L286(lines 286 558) no Hoare annotation was computed. [2020-07-21 20:49:43,043 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 134 634) the Hoare annotation is: (or (< (mod ~Id_MCDC_93~0 4294967296) 42) (not (< (mod |old(~Id_MCDC_93~0)| 4294967296) 42))) [2020-07-21 20:49:43,043 INFO L268 CegarLoopResult]: For program point L336(lines 336 529) no Hoare annotation was computed. [2020-07-21 20:49:43,043 INFO L268 CegarLoopResult]: For program point L353(lines 353 517) no Hoare annotation was computed. [2020-07-21 20:49:43,043 INFO L268 CegarLoopResult]: For program point L320(lines 320 535) no Hoare annotation was computed. [2020-07-21 20:49:43,043 INFO L268 CegarLoopResult]: For program point L312(lines 312 541) no Hoare annotation was computed. [2020-07-21 20:49:43,043 INFO L268 CegarLoopResult]: For program point L180(lines 180 631) no Hoare annotation was computed. [2020-07-21 20:49:43,043 INFO L268 CegarLoopResult]: For program point L362(lines 362 512) no Hoare annotation was computed. [2020-07-21 20:49:43,043 INFO L268 CegarLoopResult]: For program point L197(lines 197 619) no Hoare annotation was computed. [2020-07-21 20:49:43,044 INFO L268 CegarLoopResult]: For program point L379(lines 379 500) no Hoare annotation was computed. [2020-07-21 20:49:43,044 INFO L268 CegarLoopResult]: For program point L346(lines 346 518) no Hoare annotation was computed. [2020-07-21 20:49:43,044 INFO L268 CegarLoopResult]: For program point L338(lines 338 524) no Hoare annotation was computed. [2020-07-21 20:49:43,044 INFO L268 CegarLoopResult]: For program point L206(lines 206 614) no Hoare annotation was computed. [2020-07-21 20:49:43,044 INFO L268 CegarLoopResult]: For program point L421(lines 421 478) no Hoare annotation was computed. [2020-07-21 20:49:43,044 INFO L268 CegarLoopResult]: For program point L388(lines 388 495) no Hoare annotation was computed. [2020-07-21 20:49:43,044 INFO L268 CegarLoopResult]: For program point L223(lines 223 602) no Hoare annotation was computed. [2020-07-21 20:49:43,044 INFO L268 CegarLoopResult]: For program point L190(lines 190 620) no Hoare annotation was computed. [2020-07-21 20:49:43,045 INFO L264 CegarLoopResult]: At program point L446(lines 406 479) the Hoare annotation is: (let ((.cse0 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)))) (.cse1 (< (mod ~Id_MCDC_93~0 4294967296) 42))) (or (and .cse0 .cse1 (= 14 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 27 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0) (and .cse0 .cse1 (= 16 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 (= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (not (< (mod |old(~Id_MCDC_93~0)| 4294967296) 42)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 29 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (< (mod ~Id_MCDC_93~0 4294967296) 42) .cse0 (= 13 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 33 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 32 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 38 ~Id_MCDC_93~0) .cse0 (= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 15 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 10 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (= 10 ~Id_MCDC_93~0) .cse0) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 35 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 17 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 38 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 23 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 (= 20 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 41 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (= 18 ~Id_MCDC_93~0)) (and .cse0 .cse1 (= 26 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 25 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 28 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 21 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 22 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 30 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 .cse1 (= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 12 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 .cse1 (= 40 main_~Id_MCDC_89__Id_MCDC_96~0)))) [2020-07-21 20:49:43,045 INFO L268 CegarLoopResult]: For program point L182(lines 182 626) no Hoare annotation was computed. [2020-07-21 20:49:43,045 INFO L268 CegarLoopResult]: For program point L438(lines 438 451) no Hoare annotation was computed. [2020-07-21 20:49:43,045 INFO L268 CegarLoopResult]: For program point L405(lines 405 483) no Hoare annotation was computed. [2020-07-21 20:49:43,045 INFO L268 CegarLoopResult]: For program point L372(lines 372 501) no Hoare annotation was computed. [2020-07-21 20:49:43,045 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-07-21 20:49:43,045 INFO L268 CegarLoopResult]: For program point L364(lines 364 507) no Hoare annotation was computed. [2020-07-21 20:49:43,045 INFO L268 CegarLoopResult]: For program point L232(lines 232 597) no Hoare annotation was computed. [2020-07-21 20:49:43,046 INFO L268 CegarLoopResult]: For program point L249(lines 249 585) no Hoare annotation was computed. [2020-07-21 20:49:43,046 INFO L268 CegarLoopResult]: For program point L216(lines 216 603) no Hoare annotation was computed. [2020-07-21 20:49:43,046 INFO L268 CegarLoopResult]: For program point L208(lines 208 609) no Hoare annotation was computed. [2020-07-21 20:49:43,046 INFO L268 CegarLoopResult]: For program point L431(lines 431 452) no Hoare annotation was computed. [2020-07-21 20:49:43,046 INFO L268 CegarLoopResult]: For program point L398(lines 398 484) no Hoare annotation was computed. [2020-07-21 20:49:43,046 INFO L268 CegarLoopResult]: For program point L423(lines 423 473) no Hoare annotation was computed. [2020-07-21 20:49:43,047 INFO L268 CegarLoopResult]: For program point L390(lines 390 490) no Hoare annotation was computed. [2020-07-21 20:49:43,047 INFO L268 CegarLoopResult]: For program point L258(lines 258 580) no Hoare annotation was computed. [2020-07-21 20:49:43,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,080 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,080 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,080 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:49:43 BoogieIcfgContainer [2020-07-21 20:49:43,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:49:43,155 INFO L168 Benchmark]: Toolchain (without parser) took 738979.71 ms. Allocated memory was 140.0 MB in the beginning and 236.5 MB in the end (delta: 96.5 MB). Free memory was 104.3 MB in the beginning and 86.1 MB in the end (delta: 18.1 MB). Peak memory consumption was 131.6 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:43,158 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 20:49:43,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.13 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 103.9 MB in the beginning and 174.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:43,160 INFO L168 Benchmark]: Boogie Preprocessor took 108.22 ms. Allocated memory is still 206.0 MB. Free memory was 174.0 MB in the beginning and 169.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:43,164 INFO L168 Benchmark]: RCFGBuilder took 3340.53 ms. Allocated memory was 206.0 MB in the beginning and 234.4 MB in the end (delta: 28.3 MB). Free memory was 169.4 MB in the beginning and 179.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:43,168 INFO L168 Benchmark]: TraceAbstraction took 734725.67 ms. Allocated memory was 234.4 MB in the beginning and 236.5 MB in the end (delta: 2.1 MB). Free memory was 177.7 MB in the beginning and 86.1 MB in the end (delta: 91.5 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:43,175 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.13 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 103.9 MB in the beginning and 174.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.22 ms. Allocated memory is still 206.0 MB. Free memory was 174.0 MB in the beginning and 169.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3340.53 ms. Allocated memory was 206.0 MB in the beginning and 234.4 MB in the end (delta: 28.3 MB). Free memory was 169.4 MB in the beginning and 179.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 734725.67 ms. Allocated memory was 234.4 MB in the beginning and 236.5 MB in the end (delta: 2.1 MB). Free memory was 177.7 MB in the beginning and 86.1 MB in the end (delta: 91.5 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 465]: 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: 406]: Loop Invariant [2020-07-21 20:49:43,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:49:43,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((((((((((((((((((((((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 14 == Id_MCDC_89__Id_MCDC_96) || ((Id_MCDC_93 % 4294967296 < 42 && 27 == Id_MCDC_89__Id_MCDC_96) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 16 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 34 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((18 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 36 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || !(\old(Id_MCDC_93) % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 29 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 13 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 33 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 32 == Id_MCDC_89__Id_MCDC_96)) || ((38 == Id_MCDC_93 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 39 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 15 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 10 == Id_MCDC_89__Id_MCDC_96)) || ((11 == Id_MCDC_89__Id_MCDC_96 && 10 == Id_MCDC_93) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 35 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 17 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 38 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 9 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 23 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 24 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 20 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 41 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 19 == Id_MCDC_89__Id_MCDC_96) && 18 == Id_MCDC_93)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 26 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 25 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 28 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 21 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 22 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 30 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 37 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 12 == Id_MCDC_89__Id_MCDC_96)) || ((31 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 40 == Id_MCDC_89__Id_MCDC_96) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 731.4s, OverallIterations: 5, TraceHistogramMax: 34, AutomataDifference: 425.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 212 SDtfs, 4045 SDslu, 5756 SDs, 0 SdLazy, 16718 SolverSat, 1501 SolverUnsat, 107 SolverUnknown, 0 SolverNotchecked, 235.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1267 GetRequests, 905 SyntacticMatches, 5 SemanticMatches, 357 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3154 ImplicationChecksByTransitivity, 307.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 38 NumberOfFragments, 614 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 5 FomulaSimplificationsInter, 703 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 172.0s SatisfiabilityAnalysisTime, 132.1s InterpolantComputationTime, 600 NumberOfCodeBlocks, 550 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1143 ConstructedInterpolants, 0 QuantifiedInterpolants, 2081719 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6185 ConjunctsInSsa, 280 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 198/10132 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...