/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 23:27:41,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 23:27:41,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 23:27:41,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 23:27:41,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 23:27:41,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 23:27:41,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 23:27:41,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 23:27:41,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 23:27:41,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 23:27:41,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 23:27:41,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 23:27:41,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 23:27:41,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 23:27:41,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 23:27:41,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 23:27:41,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 23:27:41,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 23:27:41,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 23:27:41,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 23:27:41,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 23:27:41,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 23:27:41,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 23:27:41,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 23:27:41,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 23:27:42,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 23:27:42,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 23:27:42,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 23:27:42,011 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 23:27:42,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 23:27:42,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 23:27:42,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 23:27:42,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 23:27:42,028 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 23:27:42,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 23:27:42,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 23:27:42,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 23:27:42,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 23:27:42,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 23:27:42,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 23:27:42,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 23:27:42,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 23:27:42,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 23:27:42,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 23:27:42,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 23:27:42,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 23:27:42,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 23:27:42,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 23:27:42,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 23:27:42,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 23:27:42,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 23:27:42,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 23:27:42,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 23:27:42,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 23:27:42,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 23:27:42,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:27:42,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 23:27:42,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 23:27:42,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 23:27:42,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 23:27:42,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 23:27:42,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 23:27:42,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 23:27:42,350 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 23:27:42,351 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-21 23:27:42,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078f2e292/f87dbeaf81d446cfb9fa94b2decf4e08/FLAG5c7dbc180 [2020-07-21 23:27:43,052 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 23:27:43,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-21 23:27:43,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078f2e292/f87dbeaf81d446cfb9fa94b2decf4e08/FLAG5c7dbc180 [2020-07-21 23:27:43,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078f2e292/f87dbeaf81d446cfb9fa94b2decf4e08 [2020-07-21 23:27:43,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 23:27:43,329 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 23:27:43,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 23:27:43,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 23:27:43,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 23:27:43,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:27:43" (1/1) ... [2020-07-21 23:27:43,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582c5995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43, skipping insertion in model container [2020-07-21 23:27:43,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:27:43" (1/1) ... [2020-07-21 23:27:43,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 23:27:43,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 23:27:43,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 23:27:43,701 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 23:27:43,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 23:27:43,935 INFO L208 MainTranslator]: Completed translation [2020-07-21 23:27:43,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43 WrapperNode [2020-07-21 23:27:43,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 23:27:43,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 23:27:43,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 23:27:43,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 23:27:43,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43" (1/1) ... [2020-07-21 23:27:43,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43" (1/1) ... [2020-07-21 23:27:43,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43" (1/1) ... [2020-07-21 23:27:43,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43" (1/1) ... [2020-07-21 23:27:44,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43" (1/1) ... [2020-07-21 23:27:44,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43" (1/1) ... [2020-07-21 23:27:44,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43" (1/1) ... [2020-07-21 23:27:44,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 23:27:44,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 23:27:44,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 23:27:44,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 23:27:44,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43" (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 23:27:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 23:27:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 23:27:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 23:27:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 23:27:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 23:27:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 23:27:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 23:27:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 23:27:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 23:27:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 23:27:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 23:27:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 23:27:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 23:27:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 23:27:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 23:27:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 23:27:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 23:27:46,985 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 23:27:46,986 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 23:27:46,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:27:46 BoogieIcfgContainer [2020-07-21 23:27:46,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 23:27:46,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 23:27:46,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 23:27:46,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 23:27:46,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:27:43" (1/3) ... [2020-07-21 23:27:46,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a6dc18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:27:46, skipping insertion in model container [2020-07-21 23:27:46,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:27:43" (2/3) ... [2020-07-21 23:27:46,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a6dc18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:27:46, skipping insertion in model container [2020-07-21 23:27:46,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:27:46" (3/3) ... [2020-07-21 23:27:47,001 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2020-07-21 23:27:47,012 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 23:27:47,021 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 23:27:47,035 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 23:27:47,056 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 23:27:47,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 23:27:47,057 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 23:27:47,057 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 23:27:47,057 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 23:27:47,057 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 23:27:47,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 23:27:47,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 23:27:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-21 23:27:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-21 23:27:47,079 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:27:47,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:27:47,081 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:27:47,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:27:47,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1960518123, now seen corresponding path program 1 times [2020-07-21 23:27:47,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:27:47,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868718016] [2020-07-21 23:27:47,098 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:27:49,998 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:27:49,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:27:50,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 23:27:50,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:27:50,076 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 23:27:50,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:27:50,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1868718016] [2020-07-21 23:27:50,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:27:50,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 23:27:50,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730744295] [2020-07-21 23:27:50,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 23:27:50,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:27:50,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 23:27:50,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 23:27:50,105 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-07-21 23:27:50,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:27:50,187 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2020-07-21 23:27:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 23:27:50,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-21 23:27:50,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:27:50,200 INFO L225 Difference]: With dead ends: 38 [2020-07-21 23:27:50,200 INFO L226 Difference]: Without dead ends: 21 [2020-07-21 23:27:50,204 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 23:27:50,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-21 23:27:50,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2020-07-21 23:27:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-21 23:27:50,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-07-21 23:27:50,241 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2020-07-21 23:27:50,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:27:50,242 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2020-07-21 23:27:50,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 23:27:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-07-21 23:27:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-21 23:27:50,243 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:27:50,243 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:27:50,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:27:50,444 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:27:50,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:27:50,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1182240945, now seen corresponding path program 1 times [2020-07-21 23:27:50,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:27:50,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119381641] [2020-07-21 23:27:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:27:53,080 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 23:27:53,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:27:53,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 23:27:53,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:27:53,121 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 23:27:53,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:27:53,180 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 23:27:53,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119381641] [2020-07-21 23:27:53,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:27:53,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 23:27:53,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747468995] [2020-07-21 23:27:53,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 23:27:53,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:27:53,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 23:27:53,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 23:27:53,190 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 8 states. [2020-07-21 23:27:57,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:27:57,584 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2020-07-21 23:27:57,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 23:27:57,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-07-21 23:27:57,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:27:57,587 INFO L225 Difference]: With dead ends: 38 [2020-07-21 23:27:57,587 INFO L226 Difference]: Without dead ends: 35 [2020-07-21 23:27:57,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=63, Invalid=118, Unknown=1, NotChecked=0, Total=182 [2020-07-21 23:27:57,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-21 23:27:57,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-07-21 23:27:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-21 23:27:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-07-21 23:27:57,599 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 17 [2020-07-21 23:27:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:27:57,599 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2020-07-21 23:27:57,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 23:27:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-07-21 23:27:57,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-21 23:27:57,601 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:27:57,601 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:27:57,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:27:57,803 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:27:57,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:27:57,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1890060651, now seen corresponding path program 2 times [2020-07-21 23:27:57,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:27:57,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1369418321] [2020-07-21 23:27:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:28:07,179 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:28:07,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:28:07,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 23:28:07,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:28:07,285 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 23:28:07,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:28:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 37 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:28:13,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1369418321] [2020-07-21 23:28:13,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:28:13,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-07-21 23:28:13,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012281244] [2020-07-21 23:28:13,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-21 23:28:13,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:28:13,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-21 23:28:13,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=128, Unknown=3, NotChecked=0, Total=182 [2020-07-21 23:28:13,742 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 14 states. [2020-07-21 23:28:24,228 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 28 DAG size of output: 13 [2020-07-21 23:28:30,592 WARN L193 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2020-07-21 23:28:41,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:28:41,633 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2020-07-21 23:28:41,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-21 23:28:41,633 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2020-07-21 23:28:41,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:28:41,636 INFO L225 Difference]: With dead ends: 68 [2020-07-21 23:28:41,636 INFO L226 Difference]: Without dead ends: 65 [2020-07-21 23:28:41,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=192, Invalid=455, Unknown=3, NotChecked=0, Total=650 [2020-07-21 23:28:41,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-21 23:28:41,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-07-21 23:28:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-21 23:28:41,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2020-07-21 23:28:41,650 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 32 [2020-07-21 23:28:41,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:28:41,651 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2020-07-21 23:28:41,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-21 23:28:41,651 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2020-07-21 23:28:41,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 23:28:41,653 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:28:41,653 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:28:41,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:28:41,857 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:28:41,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:28:41,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1772338347, now seen corresponding path program 3 times [2020-07-21 23:28:41,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:28:41,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016694756] [2020-07-21 23:28:41,859 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:28:53,382 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:28:53,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:28:53,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 23:28:53,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:28:53,557 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 23:28:53,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:29:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 249 refuted. 6 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:29:02,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016694756] [2020-07-21 23:29:02,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:29:02,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-21 23:29:02,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103543715] [2020-07-21 23:29:02,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-21 23:29:02,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:29:02,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-21 23:29:02,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=475, Unknown=4, NotChecked=0, Total=650 [2020-07-21 23:29:02,444 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 26 states. [2020-07-21 23:29:23,683 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-21 23:29:28,278 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 23:29:29,304 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 23:29:30,079 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 23:29:31,654 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 23:29:37,130 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 15 [2020-07-21 23:29:42,139 WARN L193 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2020-07-21 23:29:48,836 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2020-07-21 23:29:59,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:29:59,849 INFO L93 Difference]: Finished difference Result 128 states and 139 transitions. [2020-07-21 23:29:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-21 23:29:59,856 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 62 [2020-07-21 23:29:59,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:29:59,859 INFO L225 Difference]: With dead ends: 128 [2020-07-21 23:29:59,859 INFO L226 Difference]: Without dead ends: 125 [2020-07-21 23:29:59,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 37.1s TimeCoverageRelationStatistics Valid=665, Invalid=1777, Unknown=8, NotChecked=0, Total=2450 [2020-07-21 23:29:59,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-21 23:29:59,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2020-07-21 23:29:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 23:29:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2020-07-21 23:29:59,880 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 62 [2020-07-21 23:29:59,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:29:59,880 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2020-07-21 23:29:59,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-21 23:29:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2020-07-21 23:29:59,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 23:29:59,882 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:29:59,883 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:30:00,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:30:00,084 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:30:00,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:30:00,085 INFO L82 PathProgramCache]: Analyzing trace with hash -357330133, now seen corresponding path program 4 times [2020-07-21 23:30:00,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:30:00,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938316739] [2020-07-21 23:30:00,087 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:30:21,388 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:30:21,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:30:21,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 49 conjunts are in the unsatisfiable core [2020-07-21 23:30:21,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:30:21,930 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 23:30:21,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:30:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1181 refuted. 40 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:30:54,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938316739] [2020-07-21 23:30:54,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:30:54,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2020-07-21 23:30:54,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54539847] [2020-07-21 23:30:54,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-07-21 23:30:54,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:30:54,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-07-21 23:30:54,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1814, Unknown=15, NotChecked=0, Total=2450 [2020-07-21 23:30:54,966 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 50 states. [2020-07-21 23:31:11,299 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 99 DAG size of output: 14 [2020-07-21 23:31:16,583 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 100 DAG size of output: 15 [2020-07-21 23:31:23,086 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-21 23:31:32,093 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-21 23:31:40,435 WARN L193 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 85 DAG size of output: 15 [2020-07-21 23:31:47,416 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 15 [2020-07-21 23:31:56,698 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-21 23:32:03,397 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 23:32:12,797 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-21 23:32:21,002 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 23:32:29,408 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 23:32:40,009 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 23:32:44,365 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 23:32:50,218 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 23:32:59,366 WARN L193 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 35 DAG size of output: 15 [2020-07-21 23:33:29,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:33:29,490 INFO L93 Difference]: Finished difference Result 228 states and 247 transitions. [2020-07-21 23:33:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-21 23:33:29,491 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 122 [2020-07-21 23:33:29,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:33:29,496 INFO L225 Difference]: With dead ends: 228 [2020-07-21 23:33:29,496 INFO L226 Difference]: Without dead ends: 225 [2020-07-21 23:33:29,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 171.3s TimeCoverageRelationStatistics Valid=2178, Invalid=6540, Unknown=24, NotChecked=0, Total=8742 [2020-07-21 23:33:29,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-21 23:33:29,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2020-07-21 23:33:29,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-21 23:33:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2020-07-21 23:33:29,523 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 122 [2020-07-21 23:33:29,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:33:29,524 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2020-07-21 23:33:29,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-07-21 23:33:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2020-07-21 23:33:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-21 23:33:29,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:33:29,529 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:33:29,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:33:29,738 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:33:29,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:33:29,739 INFO L82 PathProgramCache]: Analyzing trace with hash -576259925, now seen corresponding path program 5 times [2020-07-21 23:33:29,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:33:29,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625269832] [2020-07-21 23:33:29,740 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:33:59,534 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:33:59,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:33:59,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 126 conjunts are in the unsatisfiable core [2020-07-21 23:33:59,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:34:01,753 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 23:34:01,755 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 23:34:01,763 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:34:01,764 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 23:34:01,765 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-07-21 23:34:02,052 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 23:34:02,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:34:02,171 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 23:34:02,172 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:34:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4431 backedges. 126 proven. 4300 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:34:55,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625269832] [2020-07-21 23:34:55,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:34:55,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 91 [2020-07-21 23:34:55,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341057975] [2020-07-21 23:34:55,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 91 states [2020-07-21 23:34:55,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:34:55,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2020-07-21 23:34:55,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7084, Unknown=20, NotChecked=0, Total=8190 [2020-07-21 23:34:55,666 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 91 states. [2020-07-21 23:35:41,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:35:41,401 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2020-07-21 23:35:41,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-21 23:35:41,402 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 222 [2020-07-21 23:35:41,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:35:41,403 INFO L225 Difference]: With dead ends: 225 [2020-07-21 23:35:41,403 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 23:35:41,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 55.4s TimeCoverageRelationStatistics Valid=1185, Invalid=7351, Unknown=20, NotChecked=0, Total=8556 [2020-07-21 23:35:41,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 23:35:41,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 23:35:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 23:35:41,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 23:35:41,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-07-21 23:35:41,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:35:41,408 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 23:35:41,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 91 states. [2020-07-21 23:35:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 23:35:41,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 23:35:41,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:35:41,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 23:35:41,929 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2020-07-21 23:35:43,873 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 468 DAG size of output: 173 [2020-07-21 23:35:43,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 23:35:43,878 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 23:35:43,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 23:35:43,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 23:35:43,879 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= 0 ~Id_MCDC_93~0) [2020-07-21 23:35:43,879 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 23:35:43,879 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 23:35:43,879 INFO L268 CegarLoopResult]: For program point L159(lines 159 234) no Hoare annotation was computed. [2020-07-21 23:35:43,879 INFO L268 CegarLoopResult]: For program point L188(lines 188 206) no Hoare annotation was computed. [2020-07-21 23:35:43,879 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 23:35:43,879 INFO L268 CegarLoopResult]: For program point L217(lines 217 225) no Hoare annotation was computed. [2020-07-21 23:35:43,879 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 235) no Hoare annotation was computed. [2020-07-21 23:35:43,879 INFO L268 CegarLoopResult]: For program point L180(lines 180 227) no Hoare annotation was computed. [2020-07-21 23:35:43,880 INFO L268 CegarLoopResult]: For program point L178(lines 178 232) no Hoare annotation was computed. [2020-07-21 23:35:43,880 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 235) no Hoare annotation was computed. [2020-07-21 23:35:43,880 INFO L268 CegarLoopResult]: For program point L195(lines 195 205) no Hoare annotation was computed. [2020-07-21 23:35:43,880 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2020-07-21 23:35:43,880 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 23:35:43,881 INFO L264 CegarLoopResult]: At program point L200(lines 165 233) the Hoare annotation is: (let ((.cse2 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (.cse0 (< (mod ~Id_MCDC_93~0 4294967296) 42)) (.cse1 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492))))) (or (and .cse0 .cse1 (= 41 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 .cse2 (= 17 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 26 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (= 0 |old(~Id_MCDC_93~0)|)) (and .cse0 .cse1 (= 21 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 3 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse1 .cse2 (= 19 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 (= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse2) (and .cse1 (= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse1 (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 36 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (= 10 ~Id_MCDC_93~0) .cse1) (and (= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 .cse1 (= 29 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 (= 22 ~Id_MCDC_93~0) (= 23 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 (= 33 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 .cse1 (= 40 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 1 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse1 (= 28 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 .cse1 (= 8 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 10 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 .cse2 (= 15 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 (= 0 main_~Id_MCDC_89__Id_MCDC_96~0) (= 0 ~Id_MCDC_93~0)) (and .cse0 .cse1 (= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 .cse2 (= 12 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 27 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 .cse1 (= 7 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 32 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (< (mod ~Id_MCDC_93~0 4294967296) 42) (= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse1 (= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and (= 4 ~Id_MCDC_93~0) .cse1 (= 5 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 .cse2 (= 16 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 (= 34 main_~Id_MCDC_89__Id_MCDC_96~0) (< (mod ~Id_MCDC_93~0 4294967296) 42)) (and .cse0 .cse1 (= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 38 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 20 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 25 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 35 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 (= 2 main_~Id_MCDC_89__Id_MCDC_96~0) (= 1 ~Id_MCDC_93~0)) (and .cse0 .cse1 (= 6 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 22 main_~Id_MCDC_89__Id_MCDC_96~0)))) [2020-07-21 23:35:43,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:35:43 BoogieIcfgContainer [2020-07-21 23:35:43,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 23:35:43,945 INFO L168 Benchmark]: Toolchain (without parser) took 480616.88 ms. Allocated memory was 137.4 MB in the beginning and 272.6 MB in the end (delta: 135.3 MB). Free memory was 101.6 MB in the beginning and 183.5 MB in the end (delta: -81.9 MB). Peak memory consumption was 176.8 MB. Max. memory is 7.1 GB. [2020-07-21 23:35:43,946 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 23:35:43,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.02 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 174.9 MB in the end (delta: -73.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-21 23:35:43,947 INFO L168 Benchmark]: Boogie Preprocessor took 80.75 ms. Allocated memory is still 201.9 MB. Free memory was 174.9 MB in the beginning and 171.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-07-21 23:35:43,948 INFO L168 Benchmark]: RCFGBuilder took 2972.74 ms. Allocated memory is still 201.9 MB. Free memory was 171.4 MB in the beginning and 99.2 MB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 7.1 GB. [2020-07-21 23:35:43,949 INFO L168 Benchmark]: TraceAbstraction took 476950.01 ms. Allocated memory was 201.9 MB in the beginning and 272.6 MB in the end (delta: 70.8 MB). Free memory was 98.5 MB in the beginning and 183.5 MB in the end (delta: -85.0 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. [2020-07-21 23:35:43,953 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 606.02 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 174.9 MB in the end (delta: -73.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.75 ms. Allocated memory is still 201.9 MB. Free memory was 174.9 MB in the beginning and 171.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2972.74 ms. Allocated memory is still 201.9 MB. Free memory was 171.4 MB in the beginning and 99.2 MB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 476950.01 ms. Allocated memory was 201.9 MB in the beginning and 272.6 MB in the end (delta: 70.8 MB). Free memory was 98.5 MB in the beginning and 183.5 MB in the end (delta: -85.0 MB). Peak memory consumption was 109.2 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 23:35:43,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:43,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:44,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:44,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:44,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:44,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:44,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:44,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:35:44,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((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) || ((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)) || ((Id_MCDC_93 % 4294967296 < 42 && 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)) || !(0 == \old(Id_MCDC_93))) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 21 == Id_MCDC_89__Id_MCDC_96)) || ((3 == Id_MCDC_89__Id_MCDC_96 && Id_MCDC_93 % 4294967296 < 42) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 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] && 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] && 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) && 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)) || ((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])) || ((4 == Id_MCDC_89__Id_MCDC_96 && Id_MCDC_93 % 4294967296 < 42) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 29 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 22 == Id_MCDC_93) && 23 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 33 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 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]) && 1 == Id_MCDC_89__Id_MCDC_96)) || ((31 == Id_MCDC_89__Id_MCDC_96 && Id_MCDC_93 % 4294967296 < 42) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 28 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 8 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 10 == Id_MCDC_89__Id_MCDC_96)) || ((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] && 0 == Id_MCDC_89__Id_MCDC_96) && 0 == Id_MCDC_93)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 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] && Id_MCDC_93 % 4294967296 < 42) && 12 == Id_MCDC_89__Id_MCDC_96)) || ((27 == Id_MCDC_89__Id_MCDC_96 && Id_MCDC_93 % 4294967296 < 42) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 7 == 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]) && 32 == 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])) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 14 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((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) && 16 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 34 == Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 % 4294967296 < 42)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 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]) && 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]) && 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]) && 20 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 25 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 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)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 6 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 22 == Id_MCDC_89__Id_MCDC_96) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 474.5s, OverallIterations: 6, TraceHistogramMax: 43, AutomataDifference: 290.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 148 SDtfs, 469 SDslu, 4412 SDs, 0 SdLazy, 9977 SolverSat, 265 SolverUnsat, 49 SolverUnknown, 0 SolverNotchecked, 106.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1008 GetRequests, 737 SyntacticMatches, 1 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1588 ImplicationChecksByTransitivity, 283.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 47 NumberOfFragments, 764 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 5 FomulaSimplificationsInter, 1141 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 77.0s SatisfiabilityAnalysisTime, 105.4s InterpolantComputationTime, 467 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 911 ConstructedInterpolants, 0 QuantifiedInterpolants, 1943306 SizeOfPredicates, 33 NumberOfNonLiveVariables, 4153 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...