/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:56:02,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:56:02,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:56:02,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:56:02,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:56:02,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:56:02,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:56:02,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:56:02,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:56:02,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:56:02,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:56:02,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:56:02,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:56:02,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:56:02,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:56:02,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:56:02,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:56:02,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:56:02,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:56:02,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:56:02,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:56:02,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:56:02,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:56:02,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:56:02,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:56:02,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:56:02,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:56:02,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:56:02,272 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 11:56:02,292 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:56:02,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:56:02,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:56:02,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:56:02,295 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:56:02,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:56:02,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:56:02,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:56:02,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:56:02,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:56:02,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:56:02,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:56:02,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:56:02,297 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:56:02,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:56:02,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:56:02,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:56:02,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:56:02,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:56:02,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:56:02,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:56:02,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:56:02,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:56:02,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:56:02,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:56:02,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:56:02,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:56:02,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:56:02,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:56:02,301 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 -> NOT_INCREMENTALLY [2020-07-21 11:56:02,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:56:02,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:56:02,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:56:02,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:56:02,709 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:56:02,710 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-21 11:56:02,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c81a64c5/3f47e643727b40f58e4da382920cf8c1/FLAGc07a6f23d [2020-07-21 11:56:03,579 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:56:03,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-21 11:56:03,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c81a64c5/3f47e643727b40f58e4da382920cf8c1/FLAGc07a6f23d [2020-07-21 11:56:03,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c81a64c5/3f47e643727b40f58e4da382920cf8c1 [2020-07-21 11:56:03,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:56:03,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:56:03,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:56:03,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:56:03,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:56:03,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:56:03" (1/1) ... [2020-07-21 11:56:03,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74274924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:03, skipping insertion in model container [2020-07-21 11:56:03,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:56:03" (1/1) ... [2020-07-21 11:56:03,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:56:03,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:56:04,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:56:04,558 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:56:04,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:56:04,702 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:56:04,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04 WrapperNode [2020-07-21 11:56:04,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:56:04,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:56:04,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:56:04,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:56:04,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04" (1/1) ... [2020-07-21 11:56:04,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04" (1/1) ... [2020-07-21 11:56:04,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04" (1/1) ... [2020-07-21 11:56:04,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04" (1/1) ... [2020-07-21 11:56:04,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04" (1/1) ... [2020-07-21 11:56:04,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04" (1/1) ... [2020-07-21 11:56:04,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04" (1/1) ... [2020-07-21 11:56:04,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:56:04,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:56:04,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:56:04,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:56:04,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04" (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 11:56:04,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:56:04,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:56:04,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:56:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:56:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 11:56:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 11:56:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:56:04,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 11:56:04,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 11:56:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 11:56:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 11:56:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 11:56:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 11:56:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:56:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:56:04,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 11:56:04,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 11:56:08,383 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:56:08,383 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 11:56:08,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:56:08 BoogieIcfgContainer [2020-07-21 11:56:08,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:56:08,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:56:08,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:56:08,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:56:08,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:56:03" (1/3) ... [2020-07-21 11:56:08,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22feae1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:56:08, skipping insertion in model container [2020-07-21 11:56:08,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:56:04" (2/3) ... [2020-07-21 11:56:08,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22feae1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:56:08, skipping insertion in model container [2020-07-21 11:56:08,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:56:08" (3/3) ... [2020-07-21 11:56:08,401 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2020-07-21 11:56:08,416 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:56:08,427 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:56:08,447 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:56:08,480 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:56:08,480 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:56:08,480 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:56:08,480 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:56:08,481 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:56:08,481 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:56:08,481 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:56:08,481 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:56:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-21 11:56:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-21 11:56:08,520 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:56:08,521 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:56:08,521 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:56:08,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:56:08,530 INFO L82 PathProgramCache]: Analyzing trace with hash 377540282, now seen corresponding path program 1 times [2020-07-21 11:56:08,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:56:08,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982275908] [2020-07-21 11:56:08,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:56:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:56:08,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 11:56:08,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:56:09,267 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 11:56:09,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:56:09,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982275908] [2020-07-21 11:56:09,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:56:09,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-21 11:56:09,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124458311] [2020-07-21 11:56:09,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 11:56:09,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:56:09,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 11:56:09,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-07-21 11:56:09,317 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 13 states. [2020-07-21 11:56:29,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:56:29,984 INFO L93 Difference]: Finished difference Result 90 states and 134 transitions. [2020-07-21 11:56:29,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 11:56:29,987 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2020-07-21 11:56:29,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:56:30,008 INFO L225 Difference]: With dead ends: 90 [2020-07-21 11:56:30,009 INFO L226 Difference]: Without dead ends: 57 [2020-07-21 11:56:30,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-21 11:56:30,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-21 11:56:30,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-07-21 11:56:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-21 11:56:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2020-07-21 11:56:30,068 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2020-07-21 11:56:30,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:56:30,069 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2020-07-21 11:56:30,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 11:56:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2020-07-21 11:56:30,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 11:56:30,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:56:30,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:56:30,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:56:30,285 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:56:30,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:56:30,286 INFO L82 PathProgramCache]: Analyzing trace with hash -849330057, now seen corresponding path program 1 times [2020-07-21 11:56:30,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:56:30,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327453411] [2020-07-21 11:56:30,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:56:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:56:30,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 11:56:30,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:56:30,667 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 11:56:30,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:56:31,267 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 11:56:31,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327453411] [2020-07-21 11:56:31,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:56:31,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-21 11:56:31,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024779173] [2020-07-21 11:56:31,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-21 11:56:31,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:56:31,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-21 11:56:31,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-07-21 11:56:31,289 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 26 states. [2020-07-21 11:56:46,860 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-21 11:56:47,336 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 11:56:49,580 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 11:56:56,947 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 11:57:06,015 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 11:57:09,453 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 11:57:22,188 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2020-07-21 11:57:30,752 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2020-07-21 11:57:35,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:57:35,237 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2020-07-21 11:57:35,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-21 11:57:35,239 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 53 [2020-07-21 11:57:35,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:57:35,242 INFO L225 Difference]: With dead ends: 119 [2020-07-21 11:57:35,243 INFO L226 Difference]: Without dead ends: 116 [2020-07-21 11:57:35,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 33.4s TimeCoverageRelationStatistics Valid=665, Invalid=1782, Unknown=3, NotChecked=0, Total=2450 [2020-07-21 11:57:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-21 11:57:35,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-07-21 11:57:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-21 11:57:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2020-07-21 11:57:35,268 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 53 [2020-07-21 11:57:35,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:57:35,269 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2020-07-21 11:57:35,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-21 11:57:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2020-07-21 11:57:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 11:57:35,275 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:57:35,275 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:57:35,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:57:35,477 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:57:35,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:57:35,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1679309751, now seen corresponding path program 2 times [2020-07-21 11:57:35,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:57:35,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229090167] [2020-07-21 11:57:35,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:57:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:57:35,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 49 conjunts are in the unsatisfiable core [2020-07-21 11:57:35,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:57:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:57:36,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:58:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 419 refuted. 10 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:58:05,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229090167] [2020-07-21 11:58:05,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:58:05,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2020-07-21 11:58:05,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78056061] [2020-07-21 11:58:05,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-07-21 11:58:05,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:58:05,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-07-21 11:58:05,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1816, Unknown=13, NotChecked=0, Total=2450 [2020-07-21 11:58:05,945 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 50 states. [2020-07-21 11:58:43,145 WARN L193 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 99 DAG size of output: 14 [2020-07-21 11:58:54,588 WARN L193 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-21 11:59:04,333 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-21 11:59:13,763 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-21 11:59:36,225 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 15 [2020-07-21 11:59:46,192 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-21 11:59:55,589 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 12:00:06,991 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-21 12:00:14,579 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 12:00:20,858 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 12:00:33,313 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 12:00:39,610 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 12:00:45,141 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 12:00:53,076 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 12:01:07,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:01:07,544 INFO L93 Difference]: Finished difference Result 214 states and 232 transitions. [2020-07-21 12:01:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-21 12:01:07,546 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 113 [2020-07-21 12:01:07,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:01:07,550 INFO L225 Difference]: With dead ends: 214 [2020-07-21 12:01:07,550 INFO L226 Difference]: Without dead ends: 211 [2020-07-21 12:01:07,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 178 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 177.2s TimeCoverageRelationStatistics Valid=2115, Invalid=6422, Unknown=19, NotChecked=0, Total=8556 [2020-07-21 12:01:07,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-21 12:01:07,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2020-07-21 12:01:07,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-21 12:01:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2020-07-21 12:01:07,594 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 113 [2020-07-21 12:01:07,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:01:07,594 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2020-07-21 12:01:07,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-07-21 12:01:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2020-07-21 12:01:07,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-21 12:01:07,600 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:01:07,601 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:01:07,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:01:07,810 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:01:07,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:01:07,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1754198202, now seen corresponding path program 3 times [2020-07-21 12:01:07,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:01:07,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30466358] [2020-07-21 12:01:07,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 12:01:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:01:08,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 1999 conjuncts, 87 conjunts are in the unsatisfiable core [2020-07-21 12:01:08,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:01:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 2576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:01:10,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:01:52,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 2576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:01:52,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30466358] [2020-07-21 12:01:52,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:01:52,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 88 [2020-07-21 12:01:52,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704139929] [2020-07-21 12:01:52,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 88 states [2020-07-21 12:01:52,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:01:52,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2020-07-21 12:01:52,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1077, Invalid=6563, Unknown=16, NotChecked=0, Total=7656 [2020-07-21 12:01:52,228 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 88 states. [2020-07-21 12:02:45,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:02:45,005 INFO L93 Difference]: Finished difference Result 220 states and 220 transitions. [2020-07-21 12:02:45,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-21 12:02:45,008 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 208 [2020-07-21 12:02:45,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:02:45,015 INFO L225 Difference]: With dead ends: 220 [2020-07-21 12:02:45,015 INFO L226 Difference]: Without dead ends: 217 [2020-07-21 12:02:45,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1805 ImplicationChecksByTransitivity, 48.8s TimeCoverageRelationStatistics Valid=2155, Invalid=14859, Unknown=16, NotChecked=0, Total=17030 [2020-07-21 12:02:45,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-07-21 12:02:45,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 214. [2020-07-21 12:02:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-21 12:02:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2020-07-21 12:02:45,052 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 208 [2020-07-21 12:02:45,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:02:45,054 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2020-07-21 12:02:45,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 88 states. [2020-07-21 12:02:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2020-07-21 12:02:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-21 12:02:45,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:02:45,061 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:02:45,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:02:45,278 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:02:45,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:02:45,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1730716041, now seen corresponding path program 4 times [2020-07-21 12:02:45,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:02:45,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26375412] [2020-07-21 12:02:45,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 12:02:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:02:54,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 2037 conjuncts, 114 conjunts are in the unsatisfiable core [2020-07-21 12:02:54,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:02:57,986 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 12:02:57,989 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 12:02:58,005 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 12:02:58,006 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 12:02:58,007 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-07-21 12:02:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 99 proven. 2640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:02:58,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:02:58,563 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 12:02:58,566 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:03:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 99 proven. 2625 refuted. 15 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:03:57,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26375412] [2020-07-21 12:03:57,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:03:57,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 91 [2020-07-21 12:03:57,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096783315] [2020-07-21 12:03:57,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 91 states [2020-07-21 12:03:57,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:03:57,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2020-07-21 12:03:57,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7086, Unknown=18, NotChecked=0, Total=8190 [2020-07-21 12:03:57,628 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand 91 states. [2020-07-21 12:04:57,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:04:57,008 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2020-07-21 12:04:57,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-21 12:04:57,008 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 213 [2020-07-21 12:04:57,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:04:57,010 INFO L225 Difference]: With dead ends: 216 [2020-07-21 12:04:57,010 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:04:57,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 62.5s TimeCoverageRelationStatistics Valid=1185, Invalid=7353, Unknown=18, NotChecked=0, Total=8556 [2020-07-21 12:04:57,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:04:57,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:04:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:04:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:04:57,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2020-07-21 12:04:57,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:04:57,020 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:04:57,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 91 states. [2020-07-21 12:04:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:04:57,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:04:57,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:04:57,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:04:57,618 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-07-21 12:05:00,957 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 392 DAG size of output: 140 [2020-07-21 12:05:00,964 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:05:00,965 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:05:00,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:05:00,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:05:00,966 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (< (mod ~Id_MCDC_93~0 4294967296) 42) [2020-07-21 12:05:00,966 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:05:00,966 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:05:00,966 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 134 634) no Hoare annotation was computed. [2020-07-21 12:05:00,966 INFO L268 CegarLoopResult]: For program point L275(lines 275 568) no Hoare annotation was computed. [2020-07-21 12:05:00,966 INFO L268 CegarLoopResult]: For program point L242(lines 242 586) no Hoare annotation was computed. [2020-07-21 12:05:00,967 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-21 12:05:00,967 INFO L268 CegarLoopResult]: For program point L234(lines 234 592) no Hoare annotation was computed. [2020-07-21 12:05:00,967 INFO L268 CegarLoopResult]: For program point L284(lines 284 563) no Hoare annotation was computed. [2020-07-21 12:05:00,967 INFO L268 CegarLoopResult]: For program point L301(lines 301 551) no Hoare annotation was computed. [2020-07-21 12:05:00,967 INFO L268 CegarLoopResult]: For program point L268(lines 268 569) no Hoare annotation was computed. [2020-07-21 12:05:00,967 INFO L268 CegarLoopResult]: For program point L260(lines 260 575) no Hoare annotation was computed. [2020-07-21 12:05:00,967 INFO L268 CegarLoopResult]: For program point L310(lines 310 546) no Hoare annotation was computed. [2020-07-21 12:05:00,968 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 134 634) no Hoare annotation was computed. [2020-07-21 12:05:00,968 INFO L268 CegarLoopResult]: For program point L327(lines 327 534) no Hoare annotation was computed. [2020-07-21 12:05:00,968 INFO L268 CegarLoopResult]: For program point L294(lines 294 552) no Hoare annotation was computed. [2020-07-21 12:05:00,968 INFO L268 CegarLoopResult]: For program point L162(lines 162 633) no Hoare annotation was computed. [2020-07-21 12:05:00,968 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 465) no Hoare annotation was computed. [2020-07-21 12:05:00,968 INFO L268 CegarLoopResult]: For program point L286(lines 286 558) no Hoare annotation was computed. [2020-07-21 12:05:00,969 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 134 634) the Hoare annotation is: (or (< (mod ~Id_MCDC_93~0 4294967296) 42) (not (< (mod |old(~Id_MCDC_93~0)| 4294967296) 42))) [2020-07-21 12:05:00,969 INFO L268 CegarLoopResult]: For program point L336(lines 336 529) no Hoare annotation was computed. [2020-07-21 12:05:00,969 INFO L268 CegarLoopResult]: For program point L353(lines 353 517) no Hoare annotation was computed. [2020-07-21 12:05:00,969 INFO L268 CegarLoopResult]: For program point L320(lines 320 535) no Hoare annotation was computed. [2020-07-21 12:05:00,969 INFO L268 CegarLoopResult]: For program point L312(lines 312 541) no Hoare annotation was computed. [2020-07-21 12:05:00,969 INFO L268 CegarLoopResult]: For program point L180(lines 180 631) no Hoare annotation was computed. [2020-07-21 12:05:00,969 INFO L268 CegarLoopResult]: For program point L362(lines 362 512) no Hoare annotation was computed. [2020-07-21 12:05:00,970 INFO L268 CegarLoopResult]: For program point L197(lines 197 619) no Hoare annotation was computed. [2020-07-21 12:05:00,970 INFO L268 CegarLoopResult]: For program point L379(lines 379 500) no Hoare annotation was computed. [2020-07-21 12:05:00,970 INFO L268 CegarLoopResult]: For program point L346(lines 346 518) no Hoare annotation was computed. [2020-07-21 12:05:00,970 INFO L268 CegarLoopResult]: For program point L338(lines 338 524) no Hoare annotation was computed. [2020-07-21 12:05:00,970 INFO L268 CegarLoopResult]: For program point L206(lines 206 614) no Hoare annotation was computed. [2020-07-21 12:05:00,970 INFO L268 CegarLoopResult]: For program point L421(lines 421 478) no Hoare annotation was computed. [2020-07-21 12:05:00,970 INFO L268 CegarLoopResult]: For program point L388(lines 388 495) no Hoare annotation was computed. [2020-07-21 12:05:00,971 INFO L268 CegarLoopResult]: For program point L223(lines 223 602) no Hoare annotation was computed. [2020-07-21 12:05:00,971 INFO L268 CegarLoopResult]: For program point L190(lines 190 620) no Hoare annotation was computed. [2020-07-21 12:05:00,972 INFO L264 CegarLoopResult]: At program point L446(lines 406 479) 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 (= 16 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 15 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 14 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 28 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 (= 20 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 39 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (= 10 ~Id_MCDC_93~0) .cse0) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse2 (= 26 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 35 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 41 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (not (< (mod |old(~Id_MCDC_93~0)| 4294967296) 42)) (and .cse0 .cse2 (= 29 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 .cse0 .cse1 (= 22 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 .cse2 (= 24 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 (= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 10 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse2) (and .cse0 (= 9 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse2 (= 38 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 19 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 30 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 .cse1 (= 21 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 34 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 (= 40 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 27 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse2) (and .cse0 .cse2 (= 33 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse2 (= 32 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 25 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)))) [2020-07-21 12:05:00,972 INFO L268 CegarLoopResult]: For program point L182(lines 182 626) no Hoare annotation was computed. [2020-07-21 12:05:00,972 INFO L268 CegarLoopResult]: For program point L438(lines 438 451) no Hoare annotation was computed. [2020-07-21 12:05:00,973 INFO L268 CegarLoopResult]: For program point L405(lines 405 483) no Hoare annotation was computed. [2020-07-21 12:05:00,973 INFO L268 CegarLoopResult]: For program point L372(lines 372 501) no Hoare annotation was computed. [2020-07-21 12:05:00,973 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-07-21 12:05:00,973 INFO L268 CegarLoopResult]: For program point L364(lines 364 507) no Hoare annotation was computed. [2020-07-21 12:05:00,974 INFO L268 CegarLoopResult]: For program point L232(lines 232 597) no Hoare annotation was computed. [2020-07-21 12:05:00,974 INFO L268 CegarLoopResult]: For program point L249(lines 249 585) no Hoare annotation was computed. [2020-07-21 12:05:00,974 INFO L268 CegarLoopResult]: For program point L216(lines 216 603) no Hoare annotation was computed. [2020-07-21 12:05:00,974 INFO L268 CegarLoopResult]: For program point L208(lines 208 609) no Hoare annotation was computed. [2020-07-21 12:05:00,974 INFO L268 CegarLoopResult]: For program point L431(lines 431 452) no Hoare annotation was computed. [2020-07-21 12:05:00,975 INFO L268 CegarLoopResult]: For program point L398(lines 398 484) no Hoare annotation was computed. [2020-07-21 12:05:00,975 INFO L268 CegarLoopResult]: For program point L423(lines 423 473) no Hoare annotation was computed. [2020-07-21 12:05:00,975 INFO L268 CegarLoopResult]: For program point L390(lines 390 490) no Hoare annotation was computed. [2020-07-21 12:05:00,975 INFO L268 CegarLoopResult]: For program point L258(lines 258 580) no Hoare annotation was computed. [2020-07-21 12:05:01,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:05:01 BoogieIcfgContainer [2020-07-21 12:05:01,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:05:01,090 INFO L168 Benchmark]: Toolchain (without parser) took 537319.23 ms. Allocated memory was 143.7 MB in the beginning and 228.6 MB in the end (delta: 84.9 MB). Free memory was 100.6 MB in the beginning and 78.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 122.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:05:01,092 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 143.7 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 12:05:01,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 932.32 ms. Allocated memory was 143.7 MB in the beginning and 202.9 MB in the end (delta: 59.2 MB). Free memory was 100.2 MB in the beginning and 173.9 MB in the end (delta: -73.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:05:01,100 INFO L168 Benchmark]: Boogie Preprocessor took 133.67 ms. Allocated memory is still 202.9 MB. Free memory was 173.9 MB in the beginning and 168.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:05:01,103 INFO L168 Benchmark]: RCFGBuilder took 3549.92 ms. Allocated memory was 202.9 MB in the beginning and 231.7 MB in the end (delta: 28.8 MB). Free memory was 168.2 MB in the beginning and 186.4 MB in the end (delta: -18.2 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:05:01,109 INFO L168 Benchmark]: TraceAbstraction took 532694.55 ms. Allocated memory was 231.7 MB in the beginning and 228.6 MB in the end (delta: -3.1 MB). Free memory was 186.4 MB in the beginning and 78.5 MB in the end (delta: 107.8 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:05:01,125 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 143.7 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 932.32 ms. Allocated memory was 143.7 MB in the beginning and 202.9 MB in the end (delta: 59.2 MB). Free memory was 100.2 MB in the beginning and 173.9 MB in the end (delta: -73.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.67 ms. Allocated memory is still 202.9 MB. Free memory was 173.9 MB in the beginning and 168.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3549.92 ms. Allocated memory was 202.9 MB in the beginning and 231.7 MB in the end (delta: 28.8 MB). Free memory was 168.2 MB in the beginning and 186.4 MB in the end (delta: -18.2 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 532694.55 ms. Allocated memory was 231.7 MB in the beginning and 228.6 MB in the end (delta: -3.1 MB). Free memory was 186.4 MB in the beginning and 78.5 MB in the end (delta: 107.8 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 465]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 406]: Loop Invariant [2020-07-21 12:05:01,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:05:01,202 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] && 16 == 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) && 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] && 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] && 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] && 28 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 20 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 17 == 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] && 39 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((11 == Id_MCDC_89__Id_MCDC_96 && 10 == Id_MCDC_93) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 37 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 26 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 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] && 41 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || !(\old(Id_MCDC_93) % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 29 == Id_MCDC_89__Id_MCDC_96)) || ((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)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 22 == Id_MCDC_89__Id_MCDC_96)) || ((18 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 24 == 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)) || ((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) && 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) && Id_MCDC_93 % 4294967296 < 42)) || ((31 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && Id_MCDC_93 % 4294967296 < 42) && 38 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && 30 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 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] && 34 == 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)) || ((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)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 33 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 32 == Id_MCDC_89__Id_MCDC_96)) || ((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) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 528.7s, OverallIterations: 5, TraceHistogramMax: 34, AutomataDifference: 378.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 213 SDtfs, 4266 SDslu, 5566 SDs, 0 SdLazy, 18867 SolverSat, 1584 SolverUnsat, 76 SolverUnknown, 0 SolverNotchecked, 176.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1338 GetRequests, 961 SyntacticMatches, 6 SemanticMatches, 371 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3361 ImplicationChecksByTransitivity, 322.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 38 NumberOfFragments, 616 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 5 FomulaSimplificationsInter, 710 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 9.8s SatisfiabilityAnalysisTime, 138.2s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1213 ConstructedInterpolants, 0 QuantifiedInterpolants, 2179919 SizeOfPredicates, 25 NumberOfNonLiveVariables, 6917 ConjunctsInSsa, 298 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 198/11494 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...