/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 22:42:33,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 22:42:33,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 22:42:33,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 22:42:33,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 22:42:33,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 22:42:33,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 22:42:33,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 22:42:33,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 22:42:33,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 22:42:33,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 22:42:33,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 22:42:33,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 22:42:33,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 22:42:33,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 22:42:33,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 22:42:33,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 22:42:33,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 22:42:33,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 22:42:33,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 22:42:33,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 22:42:33,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 22:42:33,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 22:42:33,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 22:42:33,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 22:42:33,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 22:42:33,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 22:42:33,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 22:42:33,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 22:42:33,977 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:42:33,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:42:33,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:42:33,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:42:33,979 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:42:33,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:42:33,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:42:33,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:42:33,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:42:33,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:42:33,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:42:33,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:42:33,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:42:33,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:42:33,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:42:33,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:42:33,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:42:33,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:42:33,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:42:33,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:42:33,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:42:33,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:42:33,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:42:33,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:42:33,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:42:33,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:42:33,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:42:33,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:42:33,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:42:33,985 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 -> 4 [2020-07-20 22:42:34,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:42:34,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:42:34,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:42:34,341 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:42:34,341 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:42:34,343 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-20 22:42:34,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39737f87d/ff6c0e0d21074b5eaa799044c5f37ccf/FLAGfa1c8d544 [2020-07-20 22:42:35,208 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:42:35,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2020-07-20 22:42:35,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39737f87d/ff6c0e0d21074b5eaa799044c5f37ccf/FLAGfa1c8d544 [2020-07-20 22:42:35,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39737f87d/ff6c0e0d21074b5eaa799044c5f37ccf [2020-07-20 22:42:35,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:42:35,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:42:35,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:42:35,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:42:35,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:42:35,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:35" (1/1) ... [2020-07-20 22:42:35,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe8cfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:35, skipping insertion in model container [2020-07-20 22:42:35,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:35" (1/1) ... [2020-07-20 22:42:35,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:42:35,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:42:35,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:42:36,032 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:42:36,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:42:36,192 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:42:36,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36 WrapperNode [2020-07-20 22:42:36,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:42:36,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:42:36,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:42:36,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:42:36,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36" (1/1) ... [2020-07-20 22:42:36,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36" (1/1) ... [2020-07-20 22:42:36,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36" (1/1) ... [2020-07-20 22:42:36,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36" (1/1) ... [2020-07-20 22:42:36,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36" (1/1) ... [2020-07-20 22:42:36,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36" (1/1) ... [2020-07-20 22:42:36,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36" (1/1) ... [2020-07-20 22:42:36,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:42:36,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:42:36,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:42:36,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:42:36,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:42:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:42:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:42:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:42:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:42:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-20 22:42:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-20 22:42:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:42:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 22:42:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 22:42:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 22:42:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 22:42:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 22:42:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 22:42:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:42:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:42:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 22:42:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 22:42:39,804 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:42:39,804 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 22:42:39,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:39 BoogieIcfgContainer [2020-07-20 22:42:39,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:42:39,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:42:39,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:42:39,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:42:39,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:42:35" (1/3) ... [2020-07-20 22:42:39,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cc5160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:39, skipping insertion in model container [2020-07-20 22:42:39,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:36" (2/3) ... [2020-07-20 22:42:39,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cc5160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:39, skipping insertion in model container [2020-07-20 22:42:39,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:39" (3/3) ... [2020-07-20 22:42:39,820 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2020-07-20 22:42:39,832 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:42:39,842 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:42:39,858 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:42:39,889 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:42:39,889 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:42:39,889 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:42:39,889 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:42:39,889 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:42:39,890 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:42:39,890 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:42:39,890 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:42:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-20 22:42:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-20 22:42:39,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:42:39,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:42:39,927 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:42:39,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:42:39,935 INFO L82 PathProgramCache]: Analyzing trace with hash 377540282, now seen corresponding path program 1 times [2020-07-20 22:42:39,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:42:39,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034107704] [2020-07-20 22:42:39,946 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:42:56,568 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:42:56,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:42:56,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 22:42:56,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:42:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:42:56,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:42:56,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034107704] [2020-07-20 22:42:56,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:42:56,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-20 22:42:56,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221308984] [2020-07-20 22:42:56,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 22:42:56,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:42:56,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 22:42:56,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-07-20 22:42:56,948 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 13 states. [2020-07-20 22:43:17,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:43:17,519 INFO L93 Difference]: Finished difference Result 90 states and 134 transitions. [2020-07-20 22:43:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 22:43:17,524 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2020-07-20 22:43:17,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:43:17,546 INFO L225 Difference]: With dead ends: 90 [2020-07-20 22:43:17,547 INFO L226 Difference]: Without dead ends: 57 [2020-07-20 22:43:17,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-20 22:43:17,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-20 22:43:17,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-07-20 22:43:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-20 22:43:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2020-07-20 22:43:17,644 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2020-07-20 22:43:17,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:43:17,648 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2020-07-20 22:43:17,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 22:43:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2020-07-20 22:43:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 22:43:17,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:43:17,651 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:43:17,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:43:17,853 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:43:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:43:17,854 INFO L82 PathProgramCache]: Analyzing trace with hash -849330057, now seen corresponding path program 1 times [2020-07-20 22:43:17,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:43:17,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375807652] [2020-07-20 22:43:17,856 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:43:31,724 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 22:43:31,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:43:31,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-20 22:43:31,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:43:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:43:32,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:43:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:43:36,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375807652] [2020-07-20 22:43:36,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:43:36,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-20 22:43:36,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147375030] [2020-07-20 22:43:36,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-20 22:43:36,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:43:36,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-20 22:43:36,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=477, Unknown=2, NotChecked=0, Total=650 [2020-07-20 22:43:36,754 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 26 states. [2020-07-20 22:43:50,744 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-20 22:43:51,859 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-20 22:43:58,666 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-20 22:44:06,659 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-20 22:44:13,042 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-20 22:44:22,471 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 15 [2020-07-20 22:44:43,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:44:43,253 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2020-07-20 22:44:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-20 22:44:43,255 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 53 [2020-07-20 22:44:43,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:44:43,258 INFO L225 Difference]: With dead ends: 119 [2020-07-20 22:44:43,259 INFO L226 Difference]: Without dead ends: 116 [2020-07-20 22:44:43,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 82 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 45.4s TimeCoverageRelationStatistics Valid=666, Invalid=1777, Unknown=7, NotChecked=0, Total=2450 [2020-07-20 22:44:43,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-20 22:44:43,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-07-20 22:44:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-20 22:44:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2020-07-20 22:44:43,278 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 53 [2020-07-20 22:44:43,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:44:43,278 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2020-07-20 22:44:43,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-20 22:44:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2020-07-20 22:44:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 22:44:43,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:44:43,284 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:44:43,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:44:43,500 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:44:43,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:44:43,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1679309751, now seen corresponding path program 2 times [2020-07-20 22:44:43,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:44:43,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399178173] [2020-07-20 22:44:43,503 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:45:44,393 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:45:44,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:45:44,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 49 conjunts are in the unsatisfiable core [2020-07-20 22:45:44,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:45:45,082 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:45:45,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:46:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 418 refuted. 11 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:46:11,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399178173] [2020-07-20 22:46:11,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:46:11,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2020-07-20 22:46:11,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882863303] [2020-07-20 22:46:11,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-07-20 22:46:11,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:46:11,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-07-20 22:46:11,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1817, Unknown=12, NotChecked=0, Total=2450 [2020-07-20 22:46:11,858 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 50 states. [2020-07-20 22:46:43,799 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 99 DAG size of output: 14 [2020-07-20 22:46:51,112 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-20 22:47:04,231 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-20 22:47:16,746 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 15 [2020-07-20 22:47:26,620 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-20 22:47:49,099 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-20 22:47:54,819 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-20 22:48:04,948 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-20 22:48:11,350 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-20 22:48:22,102 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-20 22:48:35,201 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-20 22:48:42,619 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-20 22:48:50,427 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-20 22:48:54,199 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 15 [2020-07-20 22:49:26,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:49:26,336 INFO L93 Difference]: Finished difference Result 214 states and 232 transitions. [2020-07-20 22:49:26,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-20 22:49:26,337 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 113 [2020-07-20 22:49:26,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:49:26,341 INFO L225 Difference]: With dead ends: 214 [2020-07-20 22:49:26,341 INFO L226 Difference]: Without dead ends: 211 [2020-07-20 22:49:26,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 178 SyntacticMatches, 3 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 185.9s TimeCoverageRelationStatistics Valid=2112, Invalid=6418, Unknown=26, NotChecked=0, Total=8556 [2020-07-20 22:49:26,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-20 22:49:26,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2020-07-20 22:49:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-20 22:49:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2020-07-20 22:49:26,372 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 113 [2020-07-20 22:49:26,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:49:26,373 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2020-07-20 22:49:26,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-07-20 22:49:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2020-07-20 22:49:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-20 22:49:26,377 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:49:26,378 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:49:26,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:49:26,581 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:49:26,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:49:26,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1754198202, now seen corresponding path program 3 times [2020-07-20 22:49:26,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:49:26,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399327101] [2020-07-20 22:49:26,583 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:50:43,398 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:50:43,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:50:43,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 87 conjunts are in the unsatisfiable core [2020-07-20 22:50:43,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:50:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 2576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:50:45,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:51:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 2576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:51:35,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399327101] [2020-07-20 22:51:35,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:51:35,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 88 [2020-07-20 22:51:35,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730463560] [2020-07-20 22:51:35,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 88 states [2020-07-20 22:51:35,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:51:35,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2020-07-20 22:51:35,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1077, Invalid=6557, Unknown=22, NotChecked=0, Total=7656 [2020-07-20 22:51:35,680 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 88 states. [2020-07-20 22:52:21,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:52:21,247 INFO L93 Difference]: Finished difference Result 220 states and 220 transitions. [2020-07-20 22:52:21,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-20 22:52:21,248 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 208 [2020-07-20 22:52:21,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:52:21,251 INFO L225 Difference]: With dead ends: 220 [2020-07-20 22:52:21,251 INFO L226 Difference]: Without dead ends: 217 [2020-07-20 22:52:21,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1805 ImplicationChecksByTransitivity, 55.1s TimeCoverageRelationStatistics Valid=2155, Invalid=14853, Unknown=22, NotChecked=0, Total=17030 [2020-07-20 22:52:21,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-07-20 22:52:21,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 214. [2020-07-20 22:52:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-20 22:52:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2020-07-20 22:52:21,278 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 208 [2020-07-20 22:52:21,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:52:21,279 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2020-07-20 22:52:21,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 88 states. [2020-07-20 22:52:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2020-07-20 22:52:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-20 22:52:21,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:52:21,284 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:52:21,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:52:21,494 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:52:21,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:52:21,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1730716041, now seen corresponding path program 4 times [2020-07-20 22:52:21,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:52:21,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236893849] [2020-07-20 22:52:21,496 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:53:38,481 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 22:53:38,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:53:38,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 119 conjunts are in the unsatisfiable core [2020-07-20 22:53:38,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:53:40,877 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-07-20 22:53:40,878 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 22:53:40,881 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 22:53:40,882 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 22:53:40,882 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-07-20 22:53:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 99 proven. 2640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:53:41,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:53:41,234 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 22:53:41,235 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 22:53:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 99 proven. 2640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:53:58,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236893849] [2020-07-20 22:53:58,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:53:58,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46] total 90 [2020-07-20 22:53:58,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944202926] [2020-07-20 22:53:58,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 90 states [2020-07-20 22:53:58,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:53:58,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2020-07-20 22:53:58,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=7787, Unknown=2, NotChecked=0, Total=8010 [2020-07-20 22:53:58,410 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand 90 states. [2020-07-20 22:56:15,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:56:15,111 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2020-07-20 22:56:15,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-20 22:56:15,112 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 213 [2020-07-20 22:56:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:56:15,113 INFO L225 Difference]: With dead ends: 216 [2020-07-20 22:56:15,114 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 22:56:15,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 18.9s TimeCoverageRelationStatistics Valid=236, Invalid=8134, Unknown=2, NotChecked=0, Total=8372 [2020-07-20 22:56:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 22:56:15,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 22:56:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 22:56:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 22:56:15,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2020-07-20 22:56:15,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:56:15,120 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 22:56:15,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 90 states. [2020-07-20 22:56:15,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 22:56:15,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 22:56:15,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:56:15,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 22:56:15,580 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-07-20 22:56:17,457 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 392 DAG size of output: 125 [2020-07-20 22:56:17,461 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:56:17,462 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:56:17,462 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:56:17,462 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:56:17,462 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (< (mod ~Id_MCDC_93~0 4294967296) 42) [2020-07-20 22:56:17,462 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:56:17,462 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:56:17,462 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 134 634) no Hoare annotation was computed. [2020-07-20 22:56:17,462 INFO L268 CegarLoopResult]: For program point L275(lines 275 568) no Hoare annotation was computed. [2020-07-20 22:56:17,463 INFO L268 CegarLoopResult]: For program point L242(lines 242 586) no Hoare annotation was computed. [2020-07-20 22:56:17,463 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-20 22:56:17,463 INFO L268 CegarLoopResult]: For program point L234(lines 234 592) no Hoare annotation was computed. [2020-07-20 22:56:17,463 INFO L268 CegarLoopResult]: For program point L284(lines 284 563) no Hoare annotation was computed. [2020-07-20 22:56:17,463 INFO L268 CegarLoopResult]: For program point L301(lines 301 551) no Hoare annotation was computed. [2020-07-20 22:56:17,463 INFO L268 CegarLoopResult]: For program point L268(lines 268 569) no Hoare annotation was computed. [2020-07-20 22:56:17,463 INFO L268 CegarLoopResult]: For program point L260(lines 260 575) no Hoare annotation was computed. [2020-07-20 22:56:17,463 INFO L268 CegarLoopResult]: For program point L310(lines 310 546) no Hoare annotation was computed. [2020-07-20 22:56:17,464 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 134 634) no Hoare annotation was computed. [2020-07-20 22:56:17,464 INFO L268 CegarLoopResult]: For program point L327(lines 327 534) no Hoare annotation was computed. [2020-07-20 22:56:17,464 INFO L268 CegarLoopResult]: For program point L294(lines 294 552) no Hoare annotation was computed. [2020-07-20 22:56:17,464 INFO L268 CegarLoopResult]: For program point L162(lines 162 633) no Hoare annotation was computed. [2020-07-20 22:56:17,464 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 465) no Hoare annotation was computed. [2020-07-20 22:56:17,464 INFO L268 CegarLoopResult]: For program point L286(lines 286 558) no Hoare annotation was computed. [2020-07-20 22:56:17,465 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 134 634) the Hoare annotation is: (or (< (mod ~Id_MCDC_93~0 4294967296) 42) (not (< (mod |old(~Id_MCDC_93~0)| 4294967296) 42))) [2020-07-20 22:56:17,465 INFO L268 CegarLoopResult]: For program point L336(lines 336 529) no Hoare annotation was computed. [2020-07-20 22:56:17,465 INFO L268 CegarLoopResult]: For program point L353(lines 353 517) no Hoare annotation was computed. [2020-07-20 22:56:17,465 INFO L268 CegarLoopResult]: For program point L320(lines 320 535) no Hoare annotation was computed. [2020-07-20 22:56:17,465 INFO L268 CegarLoopResult]: For program point L312(lines 312 541) no Hoare annotation was computed. [2020-07-20 22:56:17,465 INFO L268 CegarLoopResult]: For program point L180(lines 180 631) no Hoare annotation was computed. [2020-07-20 22:56:17,465 INFO L268 CegarLoopResult]: For program point L362(lines 362 512) no Hoare annotation was computed. [2020-07-20 22:56:17,465 INFO L268 CegarLoopResult]: For program point L197(lines 197 619) no Hoare annotation was computed. [2020-07-20 22:56:17,466 INFO L268 CegarLoopResult]: For program point L379(lines 379 500) no Hoare annotation was computed. [2020-07-20 22:56:17,466 INFO L268 CegarLoopResult]: For program point L346(lines 346 518) no Hoare annotation was computed. [2020-07-20 22:56:17,466 INFO L268 CegarLoopResult]: For program point L338(lines 338 524) no Hoare annotation was computed. [2020-07-20 22:56:17,466 INFO L268 CegarLoopResult]: For program point L206(lines 206 614) no Hoare annotation was computed. [2020-07-20 22:56:17,466 INFO L268 CegarLoopResult]: For program point L421(lines 421 478) no Hoare annotation was computed. [2020-07-20 22:56:17,466 INFO L268 CegarLoopResult]: For program point L388(lines 388 495) no Hoare annotation was computed. [2020-07-20 22:56:17,466 INFO L268 CegarLoopResult]: For program point L223(lines 223 602) no Hoare annotation was computed. [2020-07-20 22:56:17,467 INFO L268 CegarLoopResult]: For program point L190(lines 190 620) no Hoare annotation was computed. [2020-07-20 22:56:17,467 INFO L264 CegarLoopResult]: At program point L446(lines 406 479) the Hoare annotation is: (let ((.cse0 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)))) (.cse1 (< (mod ~Id_MCDC_93~0 4294967296) 42))) (or (and .cse0 (= 10 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 12 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 29 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 15 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 25 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 (= 37 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (= 10 ~Id_MCDC_93~0) .cse0) (and .cse0 .cse1 (= 35 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 27 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 .cse1 (= 26 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 22 ~Id_MCDC_93~0) (= 23 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 24 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 22 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 20 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 32 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 14 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 33 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 38 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (< (mod |old(~Id_MCDC_93~0)| 4294967296) 42)) (and .cse0 (= 41 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 9 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 40 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 28 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 .cse1 (= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 21 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 19 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 30 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (= 16 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1))) [2020-07-20 22:56:17,467 INFO L268 CegarLoopResult]: For program point L182(lines 182 626) no Hoare annotation was computed. [2020-07-20 22:56:17,467 INFO L268 CegarLoopResult]: For program point L438(lines 438 451) no Hoare annotation was computed. [2020-07-20 22:56:17,468 INFO L268 CegarLoopResult]: For program point L405(lines 405 483) no Hoare annotation was computed. [2020-07-20 22:56:17,468 INFO L268 CegarLoopResult]: For program point L372(lines 372 501) no Hoare annotation was computed. [2020-07-20 22:56:17,468 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-07-20 22:56:17,468 INFO L268 CegarLoopResult]: For program point L364(lines 364 507) no Hoare annotation was computed. [2020-07-20 22:56:17,468 INFO L268 CegarLoopResult]: For program point L232(lines 232 597) no Hoare annotation was computed. [2020-07-20 22:56:17,468 INFO L268 CegarLoopResult]: For program point L249(lines 249 585) no Hoare annotation was computed. [2020-07-20 22:56:17,468 INFO L268 CegarLoopResult]: For program point L216(lines 216 603) no Hoare annotation was computed. [2020-07-20 22:56:17,468 INFO L268 CegarLoopResult]: For program point L208(lines 208 609) no Hoare annotation was computed. [2020-07-20 22:56:17,469 INFO L268 CegarLoopResult]: For program point L431(lines 431 452) no Hoare annotation was computed. [2020-07-20 22:56:17,469 INFO L268 CegarLoopResult]: For program point L398(lines 398 484) no Hoare annotation was computed. [2020-07-20 22:56:17,469 INFO L268 CegarLoopResult]: For program point L423(lines 423 473) no Hoare annotation was computed. [2020-07-20 22:56:17,469 INFO L268 CegarLoopResult]: For program point L390(lines 390 490) no Hoare annotation was computed. [2020-07-20 22:56:17,469 INFO L268 CegarLoopResult]: For program point L258(lines 258 580) no Hoare annotation was computed. [2020-07-20 22:56:17,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,541 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:56:17 BoogieIcfgContainer [2020-07-20 22:56:17,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 22:56:17,565 INFO L168 Benchmark]: Toolchain (without parser) took 822141.76 ms. Allocated memory was 137.9 MB in the beginning and 207.1 MB in the end (delta: 69.2 MB). Free memory was 101.0 MB in the beginning and 119.5 MB in the end (delta: -18.5 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. [2020-07-20 22:56:17,567 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 22:56:17,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.83 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 174.7 MB in the end (delta: -74.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-20 22:56:17,571 INFO L168 Benchmark]: Boogie Preprocessor took 120.51 ms. Allocated memory is still 203.4 MB. Free memory was 174.0 MB in the beginning and 169.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 22:56:17,574 INFO L168 Benchmark]: RCFGBuilder took 3495.72 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 169.1 MB in the beginning and 186.7 MB in the end (delta: -17.6 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2020-07-20 22:56:17,575 INFO L168 Benchmark]: TraceAbstraction took 817747.08 ms. Allocated memory was 234.9 MB in the beginning and 207.1 MB in the end (delta: -27.8 MB). Free memory was 186.7 MB in the beginning and 119.5 MB in the end (delta: 67.2 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. [2020-07-20 22:56:17,586 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.83 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 174.7 MB in the end (delta: -74.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.51 ms. Allocated memory is still 203.4 MB. Free memory was 174.0 MB in the beginning and 169.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3495.72 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 169.1 MB in the beginning and 186.7 MB in the end (delta: -17.6 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 817747.08 ms. Allocated memory was 234.9 MB in the beginning and 207.1 MB in the end (delta: -27.8 MB). Free memory was 186.7 MB in the beginning and 119.5 MB in the end (delta: 67.2 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 465]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 406]: Loop Invariant [2020-07-20 22:56:17,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 22:56:17,651 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] && 10 == 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) && 12 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 29 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 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] && 25 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((18 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && 36 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((11 == Id_MCDC_89__Id_MCDC_96 && 10 == Id_MCDC_93) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 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] && 34 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((27 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 26 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && 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) && 22 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 20 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 32 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && 13 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 33 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 38 == Id_MCDC_89__Id_MCDC_96)) || !(\old(Id_MCDC_93) % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 41 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 9 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 40 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 28 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((31 == Id_MCDC_89__Id_MCDC_96 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 39 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 17 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 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] && 19 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 30 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 16 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 815.4s, OverallIterations: 5, TraceHistogramMax: 34, AutomataDifference: 463.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 213 SDtfs, 2988 SDslu, 7219 SDs, 0 SdLazy, 20554 SolverSat, 1218 SolverUnsat, 116 SolverUnknown, 0 SolverNotchecked, 251.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1341 GetRequests, 963 SyntacticMatches, 8 SemanticMatches, 370 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4253 ImplicationChecksByTransitivity, 305.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 38 NumberOfFragments, 616 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 710 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 244.4s SatisfiabilityAnalysisTime, 105.0s InterpolantComputationTime, 635 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1213 ConstructedInterpolants, 0 QuantifiedInterpolants, 3316451 SizeOfPredicates, 28 NumberOfNonLiveVariables, 5822 ConjunctsInSsa, 303 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 198/11494 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...