/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 BIGGEST_EQUIVALENCE_CLASS --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/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:58:49,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 01:58:49,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 01:58:49,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 01:58:49,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 01:58:49,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 01:58:49,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 01:58:49,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 01:58:49,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 01:58:49,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 01:58:49,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 01:58:49,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 01:58:49,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:58:49,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:58:49,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:58:49,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:58:49,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:58:49,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:58:49,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:58:49,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:58:49,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:58:49,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:58:49,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:58:49,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:58:50,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 01:58:50,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 01:58:50,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 01:58:50,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 01:58:50,025 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 01:58:50,048 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:58:50,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:58:50,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:58:50,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:58:50,052 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:58:50,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:58:50,052 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:58:50,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:58:50,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:58:50,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:58:50,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:58:50,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:58:50,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:58:50,054 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:58:50,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:58:50,054 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:58:50,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:58:50,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:58:50,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:58:50,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:58:50,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:58:50,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:58:50,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:58:50,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:58:50,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:58:50,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:58:50,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:58:50,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:58:50,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:58:50,058 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 -> BIGGEST_EQUIVALENCE_CLASS 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 [2020-07-21 01:58:50,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:58:50,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:58:50,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:58:50,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:58:50,633 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:58:50,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-21 01:58:50,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351e28e94/cdeaa08d818a412d9436da3423271012/FLAG8eee6fb3d [2020-07-21 01:58:51,637 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:58:51,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-21 01:58:51,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351e28e94/cdeaa08d818a412d9436da3423271012/FLAG8eee6fb3d [2020-07-21 01:58:51,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351e28e94/cdeaa08d818a412d9436da3423271012 [2020-07-21 01:58:51,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:58:51,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:58:51,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:58:51,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:58:51,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:58:51,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:58:51" (1/1) ... [2020-07-21 01:58:51,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9789b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:51, skipping insertion in model container [2020-07-21 01:58:51,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:58:51" (1/1) ... [2020-07-21 01:58:51,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:58:51,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:58:52,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:58:52,373 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:58:52,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:58:52,491 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:58:52,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52 WrapperNode [2020-07-21 01:58:52,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:58:52,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:58:52,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:58:52,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:58:52,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52" (1/1) ... [2020-07-21 01:58:52,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52" (1/1) ... [2020-07-21 01:58:52,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52" (1/1) ... [2020-07-21 01:58:52,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52" (1/1) ... [2020-07-21 01:58:52,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52" (1/1) ... [2020-07-21 01:58:52,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52" (1/1) ... [2020-07-21 01:58:52,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52" (1/1) ... [2020-07-21 01:58:52,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:58:52,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:58:52,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:58:52,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:58:52,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52" (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 01:58:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:58:52,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:58:52,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:58:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:58:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 01:58:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 01:58:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:58:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 01:58:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 01:58:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 01:58:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 01:58:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 01:58:52,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 01:58:52,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:58:52,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:58:52,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 01:58:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 01:58:56,145 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:58:56,146 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 01:58:56,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:58:56 BoogieIcfgContainer [2020-07-21 01:58:56,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:58:56,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:58:56,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:58:56,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:58:56,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:58:51" (1/3) ... [2020-07-21 01:58:56,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f81d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:58:56, skipping insertion in model container [2020-07-21 01:58:56,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:58:52" (2/3) ... [2020-07-21 01:58:56,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f81d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:58:56, skipping insertion in model container [2020-07-21 01:58:56,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:58:56" (3/3) ... [2020-07-21 01:58:56,189 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2020-07-21 01:58:56,208 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:58:56,221 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:58:56,240 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:58:56,274 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:58:56,275 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:58:56,275 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:58:56,275 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:58:56,275 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:58:56,275 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:58:56,276 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:58:56,276 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:58:56,308 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-21 01:58:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-21 01:58:56,320 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:58:56,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:58:56,323 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:58:56,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:58:56,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1960518123, now seen corresponding path program 1 times [2020-07-21 01:58:56,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:58:56,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277908493] [2020-07-21 01:58:56,346 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 [2020-07-21 01:59:01,688 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:59:01,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:59:01,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 01:59:01,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:59:01,830 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 01:59:01,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:59:01,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277908493] [2020-07-21 01:59:01,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:59:01,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 01:59:01,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109699536] [2020-07-21 01:59:01,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 01:59:01,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:59:01,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 01:59:01,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 01:59:01,880 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-07-21 01:59:02,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:59:02,019 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2020-07-21 01:59:02,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 01:59:02,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-21 01:59:02,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:59:02,042 INFO L225 Difference]: With dead ends: 38 [2020-07-21 01:59:02,043 INFO L226 Difference]: Without dead ends: 21 [2020-07-21 01:59:02,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 01:59:02,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-21 01:59:02,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2020-07-21 01:59:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-21 01:59:02,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-07-21 01:59:02,137 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2020-07-21 01:59:02,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:59:02,138 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2020-07-21 01:59:02,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 01:59:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-07-21 01:59:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-21 01:59:02,140 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:59:02,141 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:59:02,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:59:02,343 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:59:02,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:59:02,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1182240945, now seen corresponding path program 1 times [2020-07-21 01:59:02,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:59:02,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006183065] [2020-07-21 01:59:02,346 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 [2020-07-21 01:59:06,910 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:59:06,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:59:06,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:59:06,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:59:06,988 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 01:59:06,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:59:07,105 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 01:59:07,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006183065] [2020-07-21 01:59:07,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:59:07,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 01:59:07,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629371387] [2020-07-21 01:59:07,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 01:59:07,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:59:07,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 01:59:07,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 01:59:07,124 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 8 states. [2020-07-21 01:59:09,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:59:09,614 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2020-07-21 01:59:09,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 01:59:09,615 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-07-21 01:59:09,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:59:09,617 INFO L225 Difference]: With dead ends: 38 [2020-07-21 01:59:09,618 INFO L226 Difference]: Without dead ends: 35 [2020-07-21 01:59:09,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-07-21 01:59:09,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-21 01:59:09,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-07-21 01:59:09,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-21 01:59:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-07-21 01:59:09,667 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 17 [2020-07-21 01:59:09,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:59:09,668 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2020-07-21 01:59:09,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 01:59:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-07-21 01:59:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-21 01:59:09,672 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:59:09,672 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:59:09,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:59:09,877 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:59:09,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:59:09,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1890060651, now seen corresponding path program 2 times [2020-07-21 01:59:09,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:59:09,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042240668] [2020-07-21 01:59:09,879 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 [2020-07-21 01:59:27,696 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:59:27,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:59:27,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 01:59:27,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:59:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:59:27,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:59:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:59:30,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042240668] [2020-07-21 01:59:30,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:59:30,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-07-21 01:59:30,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502350223] [2020-07-21 01:59:30,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-21 01:59:30,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:59:30,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-21 01:59:30,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=130, Unknown=1, NotChecked=0, Total=182 [2020-07-21 01:59:30,122 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 14 states. [2020-07-21 01:59:38,737 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 13 [2020-07-21 01:59:38,962 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 01:59:45,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:59:45,723 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2020-07-21 01:59:45,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-21 01:59:45,724 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2020-07-21 01:59:45,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:59:45,726 INFO L225 Difference]: With dead ends: 68 [2020-07-21 01:59:45,728 INFO L226 Difference]: Without dead ends: 65 [2020-07-21 01:59:45,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=192, Invalid=457, Unknown=1, NotChecked=0, Total=650 [2020-07-21 01:59:45,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-21 01:59:45,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-07-21 01:59:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-21 01:59:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2020-07-21 01:59:45,753 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 32 [2020-07-21 01:59:45,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:59:45,754 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2020-07-21 01:59:45,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-21 01:59:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2020-07-21 01:59:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 01:59:45,760 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:59:45,760 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:59:45,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:59:45,976 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:59:45,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:59:45,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1772338347, now seen corresponding path program 3 times [2020-07-21 01:59:45,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:59:45,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718333775] [2020-07-21 01:59:45,979 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 [2020-07-21 01:59:58,956 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:59:58,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:59:58,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 01:59:58,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:59:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:59:59,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 02:00:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 250 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:00:03,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718333775] [2020-07-21 02:00:03,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 02:00:03,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-21 02:00:03,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572979850] [2020-07-21 02:00:03,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-21 02:00:03,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 02:00:03,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-21 02:00:03,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=477, Unknown=2, NotChecked=0, Total=650 [2020-07-21 02:00:03,793 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 26 states. [2020-07-21 02:00:29,232 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-21 02:00:31,695 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 02:00:32,137 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 02:00:38,746 WARN L193 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 02:00:43,499 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 02:00:44,332 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 02:00:57,315 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2020-07-21 02:00:59,799 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2020-07-21 02:01:04,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 02:01:04,250 INFO L93 Difference]: Finished difference Result 128 states and 139 transitions. [2020-07-21 02:01:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-21 02:01:04,251 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 62 [2020-07-21 02:01:04,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 02:01:04,253 INFO L225 Difference]: With dead ends: 128 [2020-07-21 02:01:04,254 INFO L226 Difference]: Without dead ends: 125 [2020-07-21 02:01:04,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 37.9s TimeCoverageRelationStatistics Valid=661, Invalid=1781, Unknown=8, NotChecked=0, Total=2450 [2020-07-21 02:01:04,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-21 02:01:04,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2020-07-21 02:01:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 02:01:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2020-07-21 02:01:04,273 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 62 [2020-07-21 02:01:04,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 02:01:04,273 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2020-07-21 02:01:04,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-21 02:01:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2020-07-21 02:01:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 02:01:04,276 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 02:01:04,276 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 02:01:04,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:01:04,478 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 02:01:04,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 02:01:04,479 INFO L82 PathProgramCache]: Analyzing trace with hash -357330133, now seen corresponding path program 4 times [2020-07-21 02:01:04,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 02:01:04,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194134304] [2020-07-21 02:01:04,480 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 [2020-07-21 02:01:27,728 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 02:01:27,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 02:01:27,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 49 conjunts are in the unsatisfiable core [2020-07-21 02:01:27,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 02:01:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:01:28,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 02:02:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1170 refuted. 51 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:02:07,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194134304] [2020-07-21 02:02:07,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 02:02:07,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2020-07-21 02:02:07,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428433515] [2020-07-21 02:02:07,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-07-21 02:02:07,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 02:02:07,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-07-21 02:02:07,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1811, Unknown=18, NotChecked=0, Total=2450 [2020-07-21 02:02:07,471 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 50 states. [2020-07-21 02:02:26,553 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 14 [2020-07-21 02:02:31,286 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 100 DAG size of output: 15 [2020-07-21 02:02:38,000 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-21 02:02:45,007 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-21 02:02:49,332 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 15 [2020-07-21 02:02:57,611 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 80 DAG size of output: 15 [2020-07-21 02:03:06,803 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-21 02:03:14,363 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 02:03:22,505 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-21 02:03:27,375 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 02:03:37,102 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 02:03:41,317 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 02:03:51,169 WARN L193 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 02:04:03,295 WARN L193 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 02:04:21,964 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 02:04:29,013 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2020-07-21 02:04:40,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 02:04:40,163 INFO L93 Difference]: Finished difference Result 228 states and 247 transitions. [2020-07-21 02:04:40,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-21 02:04:40,165 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 122 [2020-07-21 02:04:40,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 02:04:40,168 INFO L225 Difference]: With dead ends: 228 [2020-07-21 02:04:40,168 INFO L226 Difference]: Without dead ends: 225 [2020-07-21 02:04:40,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 177.7s TimeCoverageRelationStatistics Valid=2176, Invalid=6530, Unknown=36, NotChecked=0, Total=8742 [2020-07-21 02:04:40,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-21 02:04:40,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2020-07-21 02:04:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-21 02:04:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2020-07-21 02:04:40,196 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 122 [2020-07-21 02:04:40,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 02:04:40,196 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2020-07-21 02:04:40,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-07-21 02:04:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2020-07-21 02:04:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-21 02:04:40,200 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 02:04:40,201 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 02:04:40,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:04:40,413 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 02:04:40,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 02:04:40,414 INFO L82 PathProgramCache]: Analyzing trace with hash -576259925, now seen corresponding path program 5 times [2020-07-21 02:04:40,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 02:04:40,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217816351] [2020-07-21 02:04:40,415 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 [2020-07-21 02:04:57,453 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 02:04:57,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 02:04:57,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 124 conjunts are in the unsatisfiable core [2020-07-21 02:04:57,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 02:04:59,624 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 02:04:59,625 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 02:04:59,630 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 02:04:59,630 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 02:04:59,630 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-07-21 02:04:59,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4431 backedges. 126 proven. 4305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:04:59,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 02:05:00,003 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 02:05:00,004 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 02:06:00,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4431 backedges. 126 proven. 4305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 02:06:00,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217816351] [2020-07-21 02:06:00,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 02:06:00,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 91 [2020-07-21 02:06:00,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185471459] [2020-07-21 02:06:00,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 91 states [2020-07-21 02:06:00,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 02:06:00,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2020-07-21 02:06:00,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7080, Unknown=24, NotChecked=0, Total=8190 [2020-07-21 02:06:00,969 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 91 states. [2020-07-21 02:06:46,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 02:06:46,184 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2020-07-21 02:06:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-21 02:06:46,184 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 222 [2020-07-21 02:06:46,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 02:06:46,185 INFO L225 Difference]: With dead ends: 225 [2020-07-21 02:06:46,185 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 02:06:46,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 62.8s TimeCoverageRelationStatistics Valid=1185, Invalid=7347, Unknown=24, NotChecked=0, Total=8556 [2020-07-21 02:06:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 02:06:46,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 02:06:46,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 02:06:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 02:06:46,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-07-21 02:06:46,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 02:06:46,191 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 02:06:46,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 91 states. [2020-07-21 02:06:46,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 02:06:46,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 02:06:46,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 02:06:46,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 02:06:46,682 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2020-07-21 02:06:48,720 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 468 DAG size of output: 179 [2020-07-21 02:06:48,726 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 02:06:48,726 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 02:06:48,726 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 02:06:48,726 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 02:06:48,727 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= 0 ~Id_MCDC_93~0) [2020-07-21 02:06:48,727 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 02:06:48,727 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 02:06:48,727 INFO L268 CegarLoopResult]: For program point L159(lines 159 234) no Hoare annotation was computed. [2020-07-21 02:06:48,727 INFO L268 CegarLoopResult]: For program point L188(lines 188 206) no Hoare annotation was computed. [2020-07-21 02:06:48,727 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 02:06:48,727 INFO L268 CegarLoopResult]: For program point L217(lines 217 225) no Hoare annotation was computed. [2020-07-21 02:06:48,728 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 235) no Hoare annotation was computed. [2020-07-21 02:06:48,728 INFO L268 CegarLoopResult]: For program point L180(lines 180 227) no Hoare annotation was computed. [2020-07-21 02:06:48,728 INFO L268 CegarLoopResult]: For program point L178(lines 178 232) no Hoare annotation was computed. [2020-07-21 02:06:48,728 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 235) no Hoare annotation was computed. [2020-07-21 02:06:48,728 INFO L268 CegarLoopResult]: For program point L195(lines 195 205) no Hoare annotation was computed. [2020-07-21 02:06:48,728 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2020-07-21 02:06:48,729 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 131 235) the Hoare annotation is: (or (not (= 0 |old(~Id_MCDC_93~0)|)) (= 0 ~Id_MCDC_93~0)) [2020-07-21 02:06:48,729 INFO L264 CegarLoopResult]: At program point L200(lines 165 233) the Hoare annotation is: (let ((.cse1 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (.cse2 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (.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))))) (or (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 15 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 39 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 (= 28 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (not (= 0 |old(~Id_MCDC_93~0)|)) (and (= 27 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse2 .cse0 (= 12 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 24 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse2 .cse0 (= 8 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse2 .cse0 (= 7 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 16 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2 .cse0) (and .cse2 .cse0 (= 6 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse2 .cse0 (= 17 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 (= 3 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2 .cse0) (and .cse0 .cse1 (= 35 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 14 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 22 ~Id_MCDC_93~0) (= 23 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse2 .cse0 (= 40 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse2 .cse0 (= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse2 .cse0 (= 1 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 0 main_~Id_MCDC_89__Id_MCDC_96~0) (= 0 ~Id_MCDC_93~0)) (and .cse2 .cse0 (= 22 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 4 ~Id_MCDC_93~0) .cse0 (= 5 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 26 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse2 .cse0 (= 13 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse2 .cse0 (= 41 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse2 .cse0 (= 21 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 .cse2 .cse0 (= 20 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and (= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2 .cse0) (and .cse0 (= 2 main_~Id_MCDC_89__Id_MCDC_96~0) (= 1 ~Id_MCDC_93~0)) (and .cse0 .cse1 (= 29 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 32 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 33 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 (= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 (= 37 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 (= 25 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse2 .cse0 (= 10 main_~Id_MCDC_89__Id_MCDC_96~0)))) [2020-07-21 02:06:48,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 02:06:48 BoogieIcfgContainer [2020-07-21 02:06:48,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 02:06:48,834 INFO L168 Benchmark]: Toolchain (without parser) took 477126.19 ms. Allocated memory was 136.8 MB in the beginning and 248.5 MB in the end (delta: 111.7 MB). Free memory was 100.8 MB in the beginning and 202.6 MB in the end (delta: -101.8 MB). Peak memory consumption was 154.3 MB. Max. memory is 7.1 GB. [2020-07-21 02:06:48,836 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 02:06:48,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.86 ms. Allocated memory was 136.8 MB in the beginning and 202.9 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 176.1 MB in the end (delta: -75.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-21 02:06:48,842 INFO L168 Benchmark]: Boogie Preprocessor took 135.46 ms. Allocated memory is still 202.9 MB. Free memory was 176.1 MB in the beginning and 172.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-07-21 02:06:48,844 INFO L168 Benchmark]: RCFGBuilder took 3538.04 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 99.7 MB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. [2020-07-21 02:06:48,847 INFO L168 Benchmark]: TraceAbstraction took 472660.04 ms. Allocated memory was 202.9 MB in the beginning and 248.5 MB in the end (delta: 45.6 MB). Free memory was 99.7 MB in the beginning and 202.6 MB in the end (delta: -102.9 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2020-07-21 02:06:48,854 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.86 ms. Allocated memory was 136.8 MB in the beginning and 202.9 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 176.1 MB in the end (delta: -75.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.46 ms. Allocated memory is still 202.9 MB. Free memory was 176.1 MB in the beginning and 172.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3538.04 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 99.7 MB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 472660.04 ms. Allocated memory was 202.9 MB in the beginning and 248.5 MB in the end (delta: 45.6 MB). Free memory was 99.7 MB in the beginning and 202.6 MB in the end (delta: -102.9 MB). Peak memory consumption was 87.1 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 - 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: 219]: 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: 165]: Loop Invariant [2020-07-21 02:06:48,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,885 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,885 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,885 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 02:06:48,914 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) && 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] && 39 == 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] && 28 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || !(0 == \old(Id_MCDC_93))) || ((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]) && Id_MCDC_93 % 4294967296 < 42)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 12 == 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)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 8 == Id_MCDC_89__Id_MCDC_96)) || ((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)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 7 == 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) && 16 == Id_MCDC_89__Id_MCDC_96)) || ((4 == 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 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 6 == 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)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 17 == 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])) || ((3 == 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])) || ((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) && 14 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 22 == Id_MCDC_93) && 23 == 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]) && 40 == 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]) && 9 == 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]) && 1 == 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 == Id_MCDC_89__Id_MCDC_96) && 0 == Id_MCDC_93)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 22 == Id_MCDC_89__Id_MCDC_96)) || ((4 == Id_MCDC_93 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 5 == 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) && 26 == 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)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 41 == 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]) && 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] && 30 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((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)) || ((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)) || ((18 == 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])) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 2 == Id_MCDC_89__Id_MCDC_96) && 1 == 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) && 29 == 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)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 33 == 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] && 19 == 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] && 37 == 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] && 38 == 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] && 25 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 10 == Id_MCDC_89__Id_MCDC_96) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 470.1s, OverallIterations: 6, TraceHistogramMax: 43, AutomataDifference: 276.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 148 SDtfs, 469 SDslu, 4412 SDs, 0 SdLazy, 10000 SolverSat, 265 SolverUnsat, 44 SolverUnknown, 0 SolverNotchecked, 96.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1008 GetRequests, 737 SyntacticMatches, 1 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1583 ImplicationChecksByTransitivity, 286.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=5, 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, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 47 NumberOfFragments, 764 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 1141 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 80.3s SatisfiabilityAnalysisTime, 110.8s InterpolantComputationTime, 467 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 911 ConstructedInterpolants, 0 QuantifiedInterpolants, 1943306 SizeOfPredicates, 32 NumberOfNonLiveVariables, 4153 ConjunctsInSsa, 223 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 252/11904 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...