/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:36:44,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:36:44,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:36:44,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 20:36:44,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:36:44,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:36:44,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:36:44,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:36:44,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:36:44,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:36:44,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:36:44,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:36:44,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:36:44,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:36:44,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:36:44,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:36:44,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:36:44,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:36:44,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:36:44,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:36:44,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:36:44,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:36:44,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:36:44,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:36:44,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 20:36:44,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:36:44,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:36:44,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:36:44,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 20:36:44,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:36:44,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:36:44,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:36:44,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:36:44,811 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:36:44,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:36:44,812 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:36:44,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:36:44,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:36:44,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:36:44,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:36:44,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:36:44,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:36:44,815 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:36:44,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:36:44,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:36:44,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:36:44,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:36:44,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:36:44,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:36:44,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:36:44,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:36:44,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:36:44,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:36:44,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:36:44,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:36:44,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:36:44,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:36:44,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:36:44,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:36:45,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:36:45,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:36:45,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:36:45,159 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:36:45,160 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:36:45,161 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-21 20:36:45,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02eced5bd/fcb67538a013477aa9a15d5e8dac5e11/FLAGafa4ccc8c [2020-07-21 20:36:45,829 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:36:45,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-21 20:36:45,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02eced5bd/fcb67538a013477aa9a15d5e8dac5e11/FLAGafa4ccc8c [2020-07-21 20:36:46,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02eced5bd/fcb67538a013477aa9a15d5e8dac5e11 [2020-07-21 20:36:46,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:36:46,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:36:46,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:36:46,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:36:46,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:36:46,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:36:46" (1/1) ... [2020-07-21 20:36:46,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d981b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46, skipping insertion in model container [2020-07-21 20:36:46,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:36:46" (1/1) ... [2020-07-21 20:36:46,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:36:46,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:36:46,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:36:46,656 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:36:46,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:36:46,762 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:36:46,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46 WrapperNode [2020-07-21 20:36:46,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:36:46,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:36:46,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:36:46,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:36:46,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46" (1/1) ... [2020-07-21 20:36:46,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46" (1/1) ... [2020-07-21 20:36:46,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46" (1/1) ... [2020-07-21 20:36:46,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46" (1/1) ... [2020-07-21 20:36:46,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46" (1/1) ... [2020-07-21 20:36:46,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46" (1/1) ... [2020-07-21 20:36:46,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46" (1/1) ... [2020-07-21 20:36:46,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:36:46,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:36:46,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:36:46,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:36:46,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:36:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:36:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:36:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:36:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:36:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 20:36:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 20:36:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:36:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 20:36:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 20:36:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 20:36:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 20:36:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 20:36:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 20:36:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:36:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:36:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 20:36:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 20:36:49,828 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:36:49,829 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 20:36:49,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:36:49 BoogieIcfgContainer [2020-07-21 20:36:49,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:36:49,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:36:49,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:36:49,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:36:49,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:36:46" (1/3) ... [2020-07-21 20:36:49,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c8935f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:36:49, skipping insertion in model container [2020-07-21 20:36:49,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:36:46" (2/3) ... [2020-07-21 20:36:49,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c8935f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:36:49, skipping insertion in model container [2020-07-21 20:36:49,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:36:49" (3/3) ... [2020-07-21 20:36:49,852 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2020-07-21 20:36:49,866 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:36:49,876 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:36:49,901 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:36:49,925 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:36:49,926 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:36:49,926 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:36:49,926 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:36:49,926 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:36:49,927 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:36:49,927 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:36:49,927 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:36:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-21 20:36:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-21 20:36:49,953 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:36:49,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:36:49,955 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:36:49,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:36:49,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1960518123, now seen corresponding path program 1 times [2020-07-21 20:36:49,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:36:49,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338089438] [2020-07-21 20:36:49,973 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:36:50,322 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:36:50,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:36:50,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 20:36:50,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:36:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:36:50,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:36:50,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338089438] [2020-07-21 20:36:50,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:36:50,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 20:36:50,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796627054] [2020-07-21 20:36:50,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 20:36:50,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:36:50,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 20:36:50,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 20:36:50,431 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-07-21 20:36:50,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:36:50,514 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2020-07-21 20:36:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 20:36:50,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-21 20:36:50,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:36:50,528 INFO L225 Difference]: With dead ends: 38 [2020-07-21 20:36:50,528 INFO L226 Difference]: Without dead ends: 21 [2020-07-21 20:36:50,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:36:50,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-21 20:36:50,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2020-07-21 20:36:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-21 20:36:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-07-21 20:36:50,584 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2020-07-21 20:36:50,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:36:50,584 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2020-07-21 20:36:50,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 20:36:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-07-21 20:36:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-21 20:36:50,585 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:36:50,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:36:50,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:36:50,800 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:36:50,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:36:50,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1182240945, now seen corresponding path program 1 times [2020-07-21 20:36:50,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:36:50,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406286736] [2020-07-21 20:36:50,803 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:37:00,619 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:37:00,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:37:00,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 20:37:00,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:37:00,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:37:00,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:37:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:37:00,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406286736] [2020-07-21 20:37:00,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:37:00,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 20:37:00,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235967594] [2020-07-21 20:37:00,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 20:37:00,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:37:00,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 20:37:00,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:37:00,758 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 8 states. [2020-07-21 20:37:05,070 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 15 [2020-07-21 20:37:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:37:05,151 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2020-07-21 20:37:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 20:37:05,152 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-07-21 20:37:05,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:37:05,154 INFO L225 Difference]: With dead ends: 38 [2020-07-21 20:37:05,155 INFO L226 Difference]: Without dead ends: 35 [2020-07-21 20:37:05,157 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 [2020-07-21 20:37:05,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-21 20:37:05,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-07-21 20:37:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-21 20:37:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-07-21 20:37:05,180 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 17 [2020-07-21 20:37:05,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:37:05,181 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2020-07-21 20:37:05,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 20:37:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-07-21 20:37:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-21 20:37:05,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:37:05,185 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:37:05,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:37:05,401 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:37:05,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:37:05,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1890060651, now seen corresponding path program 2 times [2020-07-21 20:37:05,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:37:05,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331266640] [2020-07-21 20:37:05,404 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:37:22,231 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:37:22,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:37:22,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 20:37:22,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:37:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:37:22,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:37:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:37:24,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331266640] [2020-07-21 20:37:24,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:37:24,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-07-21 20:37:24,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765064449] [2020-07-21 20:37:24,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-21 20:37:24,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:37:24,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-21 20:37:24,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=130, Unknown=1, NotChecked=0, Total=182 [2020-07-21 20:37:24,661 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 14 states. [2020-07-21 20:37:37,617 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 20:37:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:37:42,212 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2020-07-21 20:37:42,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-21 20:37:42,213 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2020-07-21 20:37:42,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:37:42,215 INFO L225 Difference]: With dead ends: 68 [2020-07-21 20:37:42,216 INFO L226 Difference]: Without dead ends: 65 [2020-07-21 20:37:42,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=190, Invalid=457, Unknown=3, NotChecked=0, Total=650 [2020-07-21 20:37:42,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-21 20:37:42,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-07-21 20:37:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-21 20:37:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2020-07-21 20:37:42,228 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 32 [2020-07-21 20:37:42,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:37:42,228 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2020-07-21 20:37:42,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-21 20:37:42,229 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2020-07-21 20:37:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 20:37:42,231 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:37:42,231 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:37:42,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:37:42,446 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:37:42,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:37:42,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1772338347, now seen corresponding path program 3 times [2020-07-21 20:37:42,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:37:42,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628275868] [2020-07-21 20:37:42,448 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:38:07,220 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:38:07,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:38:08,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 20:38:08,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:38:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:38:08,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:38:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 240 refuted. 15 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:38:17,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628275868] [2020-07-21 20:38:17,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:38:17,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-21 20:38:17,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418383677] [2020-07-21 20:38:17,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-21 20:38:17,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:38:17,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-21 20:38:17,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=475, Unknown=4, NotChecked=0, Total=650 [2020-07-21 20:38:17,056 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 26 states. [2020-07-21 20:38:38,446 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-21 20:38:38,885 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 20:38:39,863 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 20:38:43,371 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 20:38:44,082 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 20:38:47,102 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 20:38:50,104 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 20:39:09,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:39:09,718 INFO L93 Difference]: Finished difference Result 128 states and 139 transitions. [2020-07-21 20:39:09,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-21 20:39:09,720 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 62 [2020-07-21 20:39:09,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:39:09,722 INFO L225 Difference]: With dead ends: 128 [2020-07-21 20:39:09,723 INFO L226 Difference]: Without dead ends: 125 [2020-07-21 20:39:09,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 34.3s TimeCoverageRelationStatistics Valid=666, Invalid=1776, Unknown=8, NotChecked=0, Total=2450 [2020-07-21 20:39:09,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-21 20:39:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2020-07-21 20:39:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 20:39:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2020-07-21 20:39:09,757 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 62 [2020-07-21 20:39:09,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:39:09,758 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2020-07-21 20:39:09,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-21 20:39:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2020-07-21 20:39:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 20:39:09,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:39:09,763 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:39:09,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:39:09,978 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:39:09,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:39:09,979 INFO L82 PathProgramCache]: Analyzing trace with hash -357330133, now seen corresponding path program 4 times [2020-07-21 20:39:09,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:39:09,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004093625] [2020-07-21 20:39:09,980 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:40:33,608 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:40:33,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:40:38,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 49 conjunts are in the unsatisfiable core [2020-07-21 20:40:38,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:40:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:40:39,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:41:01,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1184 refuted. 37 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:41:01,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004093625] [2020-07-21 20:41:01,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:41:01,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2020-07-21 20:41:01,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884876269] [2020-07-21 20:41:01,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-07-21 20:41:01,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:41:01,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-07-21 20:41:01,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1819, Unknown=10, NotChecked=0, Total=2450 [2020-07-21 20:41:01,893 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 50 states. [2020-07-21 20:41:19,041 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 14 [2020-07-21 20:41:28,903 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 100 DAG size of output: 15 [2020-07-21 20:41:40,040 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-21 20:41:45,899 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-21 20:41:55,365 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 15 [2020-07-21 20:42:05,314 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 80 DAG size of output: 15 [2020-07-21 20:42:10,701 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-21 20:42:18,895 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 20:42:28,944 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-21 20:42:40,299 WARN L193 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 20:42:51,498 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 20:42:53,312 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 20:42:59,145 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 20:43:05,110 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 20:43:38,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:43:38,305 INFO L93 Difference]: Finished difference Result 228 states and 247 transitions. [2020-07-21 20:43:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-21 20:43:38,307 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 122 [2020-07-21 20:43:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:43:38,310 INFO L225 Difference]: With dead ends: 228 [2020-07-21 20:43:38,311 INFO L226 Difference]: Without dead ends: 225 [2020-07-21 20:43:38,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1066 ImplicationChecksByTransitivity, 156.4s TimeCoverageRelationStatistics Valid=2173, Invalid=6545, Unknown=24, NotChecked=0, Total=8742 [2020-07-21 20:43:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-21 20:43:38,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2020-07-21 20:43:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-21 20:43:38,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2020-07-21 20:43:38,337 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 122 [2020-07-21 20:43:38,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:43:38,338 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2020-07-21 20:43:38,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-07-21 20:43:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2020-07-21 20:43:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-21 20:43:38,342 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:43:38,342 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:43:38,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:43:38,556 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:43:38,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:43:38,557 INFO L82 PathProgramCache]: Analyzing trace with hash -576259925, now seen corresponding path program 5 times [2020-07-21 20:43:38,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:43:38,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532391129] [2020-07-21 20:43:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:48:34,040 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:48:34,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:48:54,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 126 conjunts are in the unsatisfiable core [2020-07-21 20:48:54,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:48:56,658 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-07-21 20:48:56,660 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:48:56,667 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:48:56,668 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:48:56,668 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-07-21 20:48:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4431 backedges. 126 proven. 4305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:48:56,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:48:57,091 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 20:48:57,091 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:50:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4431 backedges. 126 proven. 4290 refuted. 15 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:50:05,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532391129] [2020-07-21 20:50:05,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:50:05,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 91 [2020-07-21 20:50:05,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455313757] [2020-07-21 20:50:05,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 91 states [2020-07-21 20:50:05,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:50:05,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2020-07-21 20:50:05,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7078, Unknown=26, NotChecked=0, Total=8190 [2020-07-21 20:50:05,866 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 91 states. [2020-07-21 20:50:52,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:50:52,025 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2020-07-21 20:50:52,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-21 20:50:52,025 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 222 [2020-07-21 20:50:52,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:50:52,027 INFO L225 Difference]: With dead ends: 225 [2020-07-21 20:50:52,027 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:50:52,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 71.1s TimeCoverageRelationStatistics Valid=1185, Invalid=7345, Unknown=26, NotChecked=0, Total=8556 [2020-07-21 20:50:52,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:50:52,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:50:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:50:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:50:52,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-07-21 20:50:52,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:50:52,032 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:50:52,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 91 states. [2020-07-21 20:50:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:50:52,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:50:52,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:50:52,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:50:52,552 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2020-07-21 20:50:54,513 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 468 DAG size of output: 161 [2020-07-21 20:50:54,517 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:50:54,517 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:50:54,517 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:50:54,517 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:50:54,517 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= 0 ~Id_MCDC_93~0) [2020-07-21 20:50:54,518 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:50:54,518 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:50:54,518 INFO L268 CegarLoopResult]: For program point L159(lines 159 234) no Hoare annotation was computed. [2020-07-21 20:50:54,518 INFO L268 CegarLoopResult]: For program point L188(lines 188 206) no Hoare annotation was computed. [2020-07-21 20:50:54,518 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 20:50:54,518 INFO L268 CegarLoopResult]: For program point L217(lines 217 225) no Hoare annotation was computed. [2020-07-21 20:50:54,518 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 235) no Hoare annotation was computed. [2020-07-21 20:50:54,519 INFO L268 CegarLoopResult]: For program point L180(lines 180 227) no Hoare annotation was computed. [2020-07-21 20:50:54,519 INFO L268 CegarLoopResult]: For program point L178(lines 178 232) no Hoare annotation was computed. [2020-07-21 20:50:54,519 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 235) no Hoare annotation was computed. [2020-07-21 20:50:54,519 INFO L268 CegarLoopResult]: For program point L195(lines 195 205) no Hoare annotation was computed. [2020-07-21 20:50:54,519 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2020-07-21 20:50:54,519 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 131 235) the Hoare annotation is: (or (not (= 0 |old(~Id_MCDC_93~0)|)) (= 0 ~Id_MCDC_93~0)) [2020-07-21 20:50:54,520 INFO L264 CegarLoopResult]: At program point L200(lines 165 233) the Hoare annotation is: (let ((.cse1 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (.cse0 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)))) (.cse2 (< (mod ~Id_MCDC_93~0 4294967296) 42))) (or (and .cse0 .cse1 (= 12 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (= 0 |old(~Id_MCDC_93~0)|)) (and .cse0 (= 37 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 (= 20 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .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) .cse2) (and .cse0 .cse1 (= 22 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (< (mod ~Id_MCDC_93~0 4294967296) 42) .cse0 (= 25 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 16 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 3 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 (= 30 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 .cse1 (= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 21 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 8 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 27 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse2) (and .cse0 (= 22 ~Id_MCDC_93~0) (= 23 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 34 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 (= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 .cse1 (= 17 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse2 (= 29 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 28 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 .cse1 (= 19 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 14 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 0 main_~Id_MCDC_89__Id_MCDC_96~0) (= 0 ~Id_MCDC_93~0)) (and .cse0 .cse1 (= 10 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 15 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 38 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 .cse2 (= 32 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 4 ~Id_MCDC_93~0) .cse0 (= 5 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 41 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 7 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 40 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 24 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 .cse1 (= 6 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse2 (= 35 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 2 main_~Id_MCDC_89__Id_MCDC_96~0) (= 1 ~Id_MCDC_93~0)) (and (= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse2) (and .cse0 (= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse0 (= 39 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2))) [2020-07-21 20:50:54,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,541 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,541 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,542 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,542 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,542 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:50:54 BoogieIcfgContainer [2020-07-21 20:50:54,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:50:54,586 INFO L168 Benchmark]: Toolchain (without parser) took 848422.21 ms. Allocated memory was 135.8 MB in the beginning and 248.0 MB in the end (delta: 112.2 MB). Free memory was 98.2 MB in the beginning and 180.2 MB in the end (delta: -82.0 MB). Peak memory consumption was 154.3 MB. Max. memory is 7.1 GB. [2020-07-21 20:50:54,587 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 20:50:54,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.68 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 98.0 MB in the beginning and 174.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:50:54,589 INFO L168 Benchmark]: Boogie Preprocessor took 108.66 ms. Allocated memory is still 201.3 MB. Free memory was 174.7 MB in the beginning and 171.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-21 20:50:54,590 INFO L168 Benchmark]: RCFGBuilder took 2962.99 ms. Allocated memory is still 201.3 MB. Free memory was 171.1 MB in the beginning and 98.7 MB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. [2020-07-21 20:50:54,591 INFO L168 Benchmark]: TraceAbstraction took 844745.17 ms. Allocated memory was 201.3 MB in the beginning and 248.0 MB in the end (delta: 46.7 MB). Free memory was 98.1 MB in the beginning and 180.2 MB in the end (delta: -82.1 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2020-07-21 20:50:54,594 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 596.68 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 98.0 MB in the beginning and 174.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.66 ms. Allocated memory is still 201.3 MB. Free memory was 174.7 MB in the beginning and 171.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2962.99 ms. Allocated memory is still 201.3 MB. Free memory was 171.1 MB in the beginning and 98.7 MB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 844745.17 ms. Allocated memory was 201.3 MB in the beginning and 248.0 MB in the end (delta: 46.7 MB). Free memory was 98.1 MB in the beginning and 180.2 MB in the end (delta: -82.1 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 219]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 165]: Loop Invariant [2020-07-21 20:50:54,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:50:54,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 12 == Id_MCDC_89__Id_MCDC_96) || !(0 == \old(Id_MCDC_93))) || ((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] && 20 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((18 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((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] && Id_MCDC_93 % 4294967296 < 42) && 22 == 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)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 16 == Id_MCDC_89__Id_MCDC_96)) || ((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 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 30 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 9 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 21 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 8 == Id_MCDC_89__Id_MCDC_96)) || ((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] && 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] && 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] && 36 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 17 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 29 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && Id_MCDC_93 % 4294967296 < 42) && 19 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 14 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && Id_MCDC_93 % 4294967296 < 42) && 10 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 15 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && Id_MCDC_93 % 4294967296 < 42) && 32 == Id_MCDC_89__Id_MCDC_96)) || ((4 == Id_MCDC_93 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 5 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 41 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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) && 40 == 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] && Id_MCDC_93 % 4294967296 < 42) && 1 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 24 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && 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] && 2 == Id_MCDC_89__Id_MCDC_96) && 1 == Id_MCDC_93)) || ((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] && 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] && 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] && 39 == 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: 842.3s, OverallIterations: 6, TraceHistogramMax: 43, AutomataDifference: 277.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 148 SDtfs, 469 SDslu, 4412 SDs, 0 SdLazy, 9993 SolverSat, 265 SolverUnsat, 47 SolverUnknown, 0 SolverNotchecked, 102.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1008 GetRequests, 737 SyntacticMatches, 1 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1586 ImplicationChecksByTransitivity, 275.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 47 NumberOfFragments, 764 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 5 FomulaSimplificationsInter, 1141 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 430.2s SatisfiabilityAnalysisTime, 132.5s InterpolantComputationTime, 467 NumberOfCodeBlocks, 461 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 911 ConstructedInterpolants, 0 QuantifiedInterpolants, 1943306 SizeOfPredicates, 33 NumberOfNonLiveVariables, 4097 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...