/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+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 12:04:24,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 12:04:24,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 12:04:24,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 12:04:24,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 12:04:24,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 12:04:24,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 12:04:24,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 12:04:24,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 12:04:24,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 12:04:24,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 12:04:24,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 12:04:24,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 12:04:24,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 12:04:24,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 12:04:24,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 12:04:24,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 12:04:24,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 12:04:24,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 12:04:24,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 12:04:24,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 12:04:24,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 12:04:24,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 12:04:24,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 12:04:24,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 12:04:24,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 12:04:24,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 12:04:24,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 12:04:24,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 12:04:24,961 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 12:04:24,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 12:04:24,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 12:04:24,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 12:04:24,963 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 12:04:24,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 12:04:24,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 12:04:24,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 12:04:24,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 12:04:24,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 12:04:24,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 12:04:24,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 12:04:24,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 12:04:24,965 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 12:04:24,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 12:04:24,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 12:04:24,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 12:04:24,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 12:04:24,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 12:04:24,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 12:04:24,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 12:04:24,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 12:04:24,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 12:04:24,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 12:04:24,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 12:04:24,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 12:04:24,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:04:24,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 12:04:24,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 12:04:24,968 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 [2020-07-20 12:04:25,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 12:04:25,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 12:04:25,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 12:04:25,335 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 12:04:25,335 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 12:04:25,336 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-20 12:04:25,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/754d30751/6be506db05464a3d9eaddc82ba2dd788/FLAG693e96906 [2020-07-20 12:04:26,017 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 12:04:26,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-20 12:04:26,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/754d30751/6be506db05464a3d9eaddc82ba2dd788/FLAG693e96906 [2020-07-20 12:04:26,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/754d30751/6be506db05464a3d9eaddc82ba2dd788 [2020-07-20 12:04:26,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 12:04:26,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 12:04:26,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 12:04:26,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 12:04:26,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 12:04:26,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:04:26" (1/1) ... [2020-07-20 12:04:26,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377da267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26, skipping insertion in model container [2020-07-20 12:04:26,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:04:26" (1/1) ... [2020-07-20 12:04:26,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 12:04:26,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 12:04:26,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:04:26,802 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 12:04:26,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:04:26,895 INFO L208 MainTranslator]: Completed translation [2020-07-20 12:04:26,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26 WrapperNode [2020-07-20 12:04:26,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 12:04:26,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 12:04:26,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 12:04:26,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 12:04:26,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26" (1/1) ... [2020-07-20 12:04:26,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26" (1/1) ... [2020-07-20 12:04:26,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26" (1/1) ... [2020-07-20 12:04:26,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26" (1/1) ... [2020-07-20 12:04:26,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26" (1/1) ... [2020-07-20 12:04:26,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26" (1/1) ... [2020-07-20 12:04:27,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26" (1/1) ... [2020-07-20 12:04:27,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 12:04:27,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 12:04:27,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 12:04:27,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 12:04:27,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 12:04:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 12:04:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 12:04:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 12:04:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 12:04:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-20 12:04:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-20 12:04:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 12:04:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 12:04:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 12:04:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 12:04:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 12:04:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 12:04:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 12:04:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 12:04:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 12:04:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 12:04:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 12:04:30,008 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 12:04:30,008 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 12:04:30,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:04:30 BoogieIcfgContainer [2020-07-20 12:04:30,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 12:04:30,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 12:04:30,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 12:04:30,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 12:04:30,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:04:26" (1/3) ... [2020-07-20 12:04:30,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2ae21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:04:30, skipping insertion in model container [2020-07-20 12:04:30,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:26" (2/3) ... [2020-07-20 12:04:30,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2ae21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:04:30, skipping insertion in model container [2020-07-20 12:04:30,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:04:30" (3/3) ... [2020-07-20 12:04:30,032 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2020-07-20 12:04:30,044 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 12:04:30,054 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 12:04:30,070 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 12:04:30,095 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 12:04:30,095 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 12:04:30,095 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 12:04:30,096 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 12:04:30,096 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 12:04:30,096 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 12:04:30,096 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 12:04:30,097 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 12:04:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-20 12:04:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-20 12:04:30,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:04:30,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:04:30,126 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:04:30,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:04:30,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1960518123, now seen corresponding path program 1 times [2020-07-20 12:04:30,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:04:30,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513163889] [2020-07-20 12:04:30,141 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 [2020-07-20 12:04:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:04:30,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 12:04:30,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:04:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:04:30,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:04:30,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513163889] [2020-07-20 12:04:30,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:04:30,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 12:04:30,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751257386] [2020-07-20 12:04:30,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 12:04:30,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:04:30,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 12:04:30,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 12:04:30,461 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-07-20 12:04:30,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:04:30,535 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2020-07-20 12:04:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 12:04:30,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-20 12:04:30,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:04:30,548 INFO L225 Difference]: With dead ends: 38 [2020-07-20 12:04:30,549 INFO L226 Difference]: Without dead ends: 21 [2020-07-20 12:04:30,553 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 [2020-07-20 12:04:30,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-20 12:04:30,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2020-07-20 12:04:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-20 12:04:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-07-20 12:04:30,599 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2020-07-20 12:04:30,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:04:30,600 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2020-07-20 12:04:30,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 12:04:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-07-20 12:04:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-20 12:04:30,601 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:04:30,601 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:04:30,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:04:30,818 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:04:30,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:04:30,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1182240945, now seen corresponding path program 1 times [2020-07-20 12:04:30,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:04:30,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162879531] [2020-07-20 12:04:30,820 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 [2020-07-20 12:04:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:04:30,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 12:04:30,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:04:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:04:30,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:04:31,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:04:31,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162879531] [2020-07-20 12:04:31,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 12:04:31,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 12:04:31,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150041616] [2020-07-20 12:04:31,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 12:04:31,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:04:31,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 12:04:31,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 12:04:31,058 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 8 states. [2020-07-20 12:04:35,357 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 15 [2020-07-20 12:04:35,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:04:35,430 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2020-07-20 12:04:35,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 12:04:35,431 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-07-20 12:04:35,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:04:35,432 INFO L225 Difference]: With dead ends: 38 [2020-07-20 12:04:35,432 INFO L226 Difference]: Without dead ends: 35 [2020-07-20 12:04:35,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-07-20 12:04:35,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-20 12:04:35,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-07-20 12:04:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-20 12:04:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-07-20 12:04:35,442 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 17 [2020-07-20 12:04:35,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:04:35,442 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2020-07-20 12:04:35,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 12:04:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-07-20 12:04:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-20 12:04:35,449 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:04:35,449 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:04:35,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:04:35,650 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:04:35,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:04:35,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1890060651, now seen corresponding path program 2 times [2020-07-20 12:04:35,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:04:35,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414615459] [2020-07-20 12:04:35,653 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 [2020-07-20 12:04:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:04:35,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 12:04:35,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:04:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:04:35,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:04:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:04:36,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414615459] [2020-07-20 12:04:36,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 12:04:36,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-07-20 12:04:36,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004987025] [2020-07-20 12:04:36,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 12:04:36,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:04:36,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 12:04:36,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-07-20 12:04:36,077 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 14 states. [2020-07-20 12:04:46,655 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 28 DAG size of output: 13 [2020-07-20 12:04:49,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:04:49,311 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2020-07-20 12:04:49,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 12:04:49,317 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2020-07-20 12:04:49,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:04:49,319 INFO L225 Difference]: With dead ends: 68 [2020-07-20 12:04:49,320 INFO L226 Difference]: Without dead ends: 65 [2020-07-20 12:04:49,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=192, Invalid=457, Unknown=1, NotChecked=0, Total=650 [2020-07-20 12:04:49,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-20 12:04:49,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-07-20 12:04:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-20 12:04:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2020-07-20 12:04:49,332 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 32 [2020-07-20 12:04:49,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:04:49,333 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2020-07-20 12:04:49,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 12:04:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2020-07-20 12:04:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 12:04:49,335 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:04:49,335 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:04:49,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:04:49,549 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:04:49,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:04:49,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1772338347, now seen corresponding path program 3 times [2020-07-20 12:04:49,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:04:49,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917803500] [2020-07-20 12:04:49,552 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 [2020-07-20 12:04:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:04:49,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-20 12:04:49,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:04:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:04:49,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:04:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 245 refuted. 10 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:04:56,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917803500] [2020-07-20 12:04:56,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 12:04:56,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-20 12:04:56,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313264277] [2020-07-20 12:04:56,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-20 12:04:56,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:04:56,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-20 12:04:56,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=476, Unknown=3, NotChecked=0, Total=650 [2020-07-20 12:04:56,655 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 26 states. [2020-07-20 12:05:18,125 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-20 12:05:21,146 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-20 12:05:22,094 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-20 12:05:22,810 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-20 12:05:25,436 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-20 12:05:42,903 WARN L193 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 35 DAG size of output: 20 [2020-07-20 12:05:49,556 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-20 12:05:56,193 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2020-07-20 12:06:11,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:06:11,335 INFO L93 Difference]: Finished difference Result 128 states and 139 transitions. [2020-07-20 12:06:11,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-20 12:06:11,336 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 62 [2020-07-20 12:06:11,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:06:11,339 INFO L225 Difference]: With dead ends: 128 [2020-07-20 12:06:11,340 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 12:06:11,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 49.9s TimeCoverageRelationStatistics Valid=664, Invalid=1777, Unknown=9, NotChecked=0, Total=2450 [2020-07-20 12:06:11,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 12:06:11,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2020-07-20 12:06:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-20 12:06:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2020-07-20 12:06:11,363 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 62 [2020-07-20 12:06:11,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:06:11,363 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2020-07-20 12:06:11,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-20 12:06:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2020-07-20 12:06:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-20 12:06:11,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:06:11,367 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:06:11,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:06:11,581 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:06:11,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:06:11,583 INFO L82 PathProgramCache]: Analyzing trace with hash -357330133, now seen corresponding path program 4 times [2020-07-20 12:06:11,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:06:11,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691633975] [2020-07-20 12:06:11,585 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 [2020-07-20 12:06:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:06:11,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 49 conjunts are in the unsatisfiable core [2020-07-20 12:06:11,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:06:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:06:12,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:06:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1186 refuted. 35 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:06:46,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691633975] [2020-07-20 12:06:46,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 12:06:46,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2020-07-20 12:06:46,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246434581] [2020-07-20 12:06:46,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-07-20 12:06:46,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:06:46,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-07-20 12:06:46,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1814, Unknown=15, NotChecked=0, Total=2450 [2020-07-20 12:06:46,376 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 50 states. [2020-07-20 12:07:06,388 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 99 DAG size of output: 14 [2020-07-20 12:07:13,358 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 100 DAG size of output: 15 [2020-07-20 12:07:20,241 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-20 12:07:33,797 WARN L193 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-20 12:07:42,071 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 15 [2020-07-20 12:07:49,322 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 15 [2020-07-20 12:07:57,141 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-20 12:08:04,281 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-20 12:08:16,386 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-20 12:08:28,159 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-20 12:08:38,102 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-20 12:08:49,765 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-20 12:08:59,422 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-20 12:09:05,944 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-20 12:09:12,313 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 35 DAG size of output: 15 [2020-07-20 12:09:49,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:09:49,821 INFO L93 Difference]: Finished difference Result 228 states and 247 transitions. [2020-07-20 12:09:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-20 12:09:49,826 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 122 [2020-07-20 12:09:49,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:09:49,830 INFO L225 Difference]: With dead ends: 228 [2020-07-20 12:09:49,831 INFO L226 Difference]: Without dead ends: 225 [2020-07-20 12:09:49,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 197.9s TimeCoverageRelationStatistics Valid=2174, Invalid=6538, Unknown=30, NotChecked=0, Total=8742 [2020-07-20 12:09:49,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-20 12:09:49,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2020-07-20 12:09:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-20 12:09:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2020-07-20 12:09:49,866 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 122 [2020-07-20 12:09:49,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:09:49,867 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2020-07-20 12:09:49,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-07-20 12:09:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2020-07-20 12:09:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-20 12:09:49,873 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:09:49,874 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:09:50,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:09:50,083 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:09:50,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:09:50,084 INFO L82 PathProgramCache]: Analyzing trace with hash -576259925, now seen corresponding path program 5 times [2020-07-20 12:09:50,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:09:50,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128872177] [2020-07-20 12:09:50,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:09:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:09:58,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 126 conjunts are in the unsatisfiable core [2020-07-20 12:09:58,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:10:01,406 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 [2020-07-20 12:10:01,408 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 12:10:01,420 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 12:10:01,420 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 12:10:01,421 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-07-20 12:10:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4431 backedges. 126 proven. 4305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:10:01,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:10:01,968 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 12:10:01,969 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:11:18,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4431 backedges. 126 proven. 4285 refuted. 20 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:11:18,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128872177] [2020-07-20 12:11:18,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 12:11:18,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 91 [2020-07-20 12:11:18,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967658408] [2020-07-20 12:11:18,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 91 states [2020-07-20 12:11:18,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:11:18,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2020-07-20 12:11:18,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7077, Unknown=27, NotChecked=0, Total=8190 [2020-07-20 12:11:18,307 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 91 states. [2020-07-20 12:12:14,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:12:14,038 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2020-07-20 12:12:14,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-20 12:12:14,039 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 222 [2020-07-20 12:12:14,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:12:14,041 INFO L225 Difference]: With dead ends: 225 [2020-07-20 12:12:14,041 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 12:12:14,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 79.2s TimeCoverageRelationStatistics Valid=1185, Invalid=7344, Unknown=27, NotChecked=0, Total=8556 [2020-07-20 12:12:14,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 12:12:14,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 12:12:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 12:12:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 12:12:14,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-07-20 12:12:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:12:14,049 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 12:12:14,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 91 states. [2020-07-20 12:12:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 12:12:14,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 12:12:14,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:12:14,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 12:12:14,699 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2020-07-20 12:12:18,305 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 471 DAG size of output: 161 [2020-07-20 12:12:18,313 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 12:12:18,314 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 12:12:18,314 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 12:12:18,314 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 12:12:18,314 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= 0 ~Id_MCDC_93~0) [2020-07-20 12:12:18,314 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 12:12:18,315 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 12:12:18,315 INFO L268 CegarLoopResult]: For program point L159(lines 159 234) no Hoare annotation was computed. [2020-07-20 12:12:18,315 INFO L268 CegarLoopResult]: For program point L188(lines 188 206) no Hoare annotation was computed. [2020-07-20 12:12:18,315 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-20 12:12:18,315 INFO L268 CegarLoopResult]: For program point L217(lines 217 225) no Hoare annotation was computed. [2020-07-20 12:12:18,316 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 235) no Hoare annotation was computed. [2020-07-20 12:12:18,316 INFO L268 CegarLoopResult]: For program point L180(lines 180 227) no Hoare annotation was computed. [2020-07-20 12:12:18,316 INFO L268 CegarLoopResult]: For program point L178(lines 178 232) no Hoare annotation was computed. [2020-07-20 12:12:18,316 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 235) no Hoare annotation was computed. [2020-07-20 12:12:18,316 INFO L268 CegarLoopResult]: For program point L195(lines 195 205) no Hoare annotation was computed. [2020-07-20 12:12:18,317 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2020-07-20 12:12:18,317 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)) [2020-07-20 12:12:18,318 INFO L264 CegarLoopResult]: At program point L200(lines 165 233) the Hoare annotation is: (let ((.cse0 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)))) (.cse1 (< (mod ~Id_MCDC_93~0 4294967296) 42))) (or (and (= 3 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (not (= 0 |old(~Id_MCDC_93~0)|)) (and .cse0 .cse1 (= 35 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 41 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 9 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 (= 19 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 8 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 37 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 22 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 (= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 28 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 22 ~Id_MCDC_93~0) (= 23 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 30 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 27 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 .cse1 (= 29 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 (= 14 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 39 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 1 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 0 main_~Id_MCDC_89__Id_MCDC_96~0) (= 0 ~Id_MCDC_93~0)) (and .cse0 (= 20 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 25 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 24 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 4 ~Id_MCDC_93~0) .cse0 (= 5 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 7 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) .cse1) (and .cse0 (= 2 main_~Id_MCDC_89__Id_MCDC_96~0) (= 1 ~Id_MCDC_93~0)) (and .cse0 (= 40 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 (= 10 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (< (mod ~Id_MCDC_93~0 4294967296) 42) .cse0 (= 15 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 21 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 6 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 16 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1))) [2020-07-20 12:12:18,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,408 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:12:18 BoogieIcfgContainer [2020-07-20 12:12:18,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 12:12:18,434 INFO L168 Benchmark]: Toolchain (without parser) took 472115.52 ms. Allocated memory was 134.2 MB in the beginning and 239.6 MB in the end (delta: 105.4 MB). Free memory was 96.5 MB in the beginning and 148.5 MB in the end (delta: -52.0 MB). Peak memory consumption was 152.4 MB. Max. memory is 7.1 GB. [2020-07-20 12:12:18,435 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 116.0 MB in the beginning and 115.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 12:12:18,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.40 ms. Allocated memory was 134.2 MB in the beginning and 198.2 MB in the end (delta: 64.0 MB). Free memory was 96.3 MB in the beginning and 169.9 MB in the end (delta: -73.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-20 12:12:18,437 INFO L168 Benchmark]: Boogie Preprocessor took 124.49 ms. Allocated memory is still 198.2 MB. Free memory was 169.9 MB in the beginning and 165.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 12:12:18,438 INFO L168 Benchmark]: RCFGBuilder took 2999.39 ms. Allocated memory is still 198.2 MB. Free memory was 165.6 MB in the beginning and 93.1 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2020-07-20 12:12:18,439 INFO L168 Benchmark]: TraceAbstraction took 468407.79 ms. Allocated memory was 198.2 MB in the beginning and 239.6 MB in the end (delta: 41.4 MB). Free memory was 93.1 MB in the beginning and 148.5 MB in the end (delta: -55.4 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2020-07-20 12:12:18,444 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 116.0 MB in the beginning and 115.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 572.40 ms. Allocated memory was 134.2 MB in the beginning and 198.2 MB in the end (delta: 64.0 MB). Free memory was 96.3 MB in the beginning and 169.9 MB in the end (delta: -73.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.49 ms. Allocated memory is still 198.2 MB. Free memory was 169.9 MB in the beginning and 165.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2999.39 ms. Allocated memory is still 198.2 MB. Free memory was 165.6 MB in the beginning and 93.1 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 468407.79 ms. Allocated memory was 198.2 MB in the beginning and 239.6 MB in the end (delta: 41.4 MB). Free memory was 93.1 MB in the beginning and 148.5 MB in the end (delta: -55.4 MB). Peak memory consumption was 85.1 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 [2020-07-20 12:12:18,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,473 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 12:12:18,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((3 == 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 == \old(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) && 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)) || ((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] && 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] && 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] && 8 == 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] && 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] && 22 == 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] && 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] && 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] && 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] && 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] && 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] && 30 == 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) && 29 == Id_MCDC_89__Id_MCDC_96)) || ((4 == 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] && 14 == 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)) || ((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) && Id_MCDC_93 % 4294967296 < 42)) || ((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)) || ((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] && 25 == 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] && 24 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((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)) || ((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) && 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) && 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] && 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] && 40 == 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] && 10 == 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]) && 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] && 21 == 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) && 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] && 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] && 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] && 36 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 464.1s, OverallIterations: 6, TraceHistogramMax: 43, AutomataDifference: 331.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 148 SDtfs, 469 SDslu, 4412 SDs, 0 SdLazy, 9995 SolverSat, 265 SolverUnsat, 47 SolverUnknown, 0 SolverNotchecked, 108.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1008 GetRequests, 737 SyntacticMatches, 1 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1598 ImplicationChecksByTransitivity, 334.5s 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 47 NumberOfFragments, 764 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 5 FomulaSimplificationsInter, 1148 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 121.9s InterpolantComputationTime, 467 NumberOfCodeBlocks, 467 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 911 ConstructedInterpolants, 0 QuantifiedInterpolants, 1943306 SizeOfPredicates, 33 NumberOfNonLiveVariables, 4156 ConjunctsInSsa, 225 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...