/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:55:46,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:55:46,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:55:46,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:55:46,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:55:46,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:55:46,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:55:46,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:55:46,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:55:46,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:55:46,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:55:46,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:55:46,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:55:46,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:55:46,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:55:46,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:55:46,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:55:46,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:55:46,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:55:46,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:55:46,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:55:46,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:55:46,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:55:46,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:55:46,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 11:55:46,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 11:55:46,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 11:55:46,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 11:55:46,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 11:55:46,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-21 11:55:46,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:55:46,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:55:46,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:55:46,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 11:55:46,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:55:46,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:55:46,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:55:46,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:55:46,947 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:55:46,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:55:46,948 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:55:46,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:55:46,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:55:46,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:55:46,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:55:46,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:55:46,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:55:46,950 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:55:46,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:55:46,951 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:55:46,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:55:46,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:55:46,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:55:46,952 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:55:46,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:55:46,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:55:46,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:55:46,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:55:46,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:55:46,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:55:46,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:55:46,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:55:46,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:55:46,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:55:47,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:55:47,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:55:47,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:55:47,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:55:47,529 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:55:47,530 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-21 11:55:47,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16eb54210/4976abf74591438d9b1d333efdcf24db/FLAG39badda97 [2020-07-21 11:55:48,443 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:55:48,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2020-07-21 11:55:48,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16eb54210/4976abf74591438d9b1d333efdcf24db/FLAG39badda97 [2020-07-21 11:55:48,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16eb54210/4976abf74591438d9b1d333efdcf24db [2020-07-21 11:55:48,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:55:48,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:55:48,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:55:48,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:55:48,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:55:48,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:55:48" (1/1) ... [2020-07-21 11:55:48,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fca6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:48, skipping insertion in model container [2020-07-21 11:55:48,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:55:48" (1/1) ... [2020-07-21 11:55:48,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:55:48,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:55:49,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:55:49,175 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:55:49,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:55:49,461 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:55:49,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49 WrapperNode [2020-07-21 11:55:49,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:55:49,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:55:49,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:55:49,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:55:49,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49" (1/1) ... [2020-07-21 11:55:49,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49" (1/1) ... [2020-07-21 11:55:49,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49" (1/1) ... [2020-07-21 11:55:49,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49" (1/1) ... [2020-07-21 11:55:49,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49" (1/1) ... [2020-07-21 11:55:49,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49" (1/1) ... [2020-07-21 11:55:49,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49" (1/1) ... [2020-07-21 11:55:49,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:55:49,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:55:49,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:55:49,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:55:49,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:55:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:55:49,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:55:49,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:55:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:55:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 11:55:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 11:55:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:55:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 11:55:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 11:55:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 11:55:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 11:55:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 11:55:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 11:55:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:55:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:55:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 11:55:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 11:55:52,897 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:55:52,898 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 11:55:52,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:55:52 BoogieIcfgContainer [2020-07-21 11:55:52,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:55:52,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:55:52,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:55:52,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:55:52,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:55:48" (1/3) ... [2020-07-21 11:55:52,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d41da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:55:52, skipping insertion in model container [2020-07-21 11:55:52,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:55:49" (2/3) ... [2020-07-21 11:55:52,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d41da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:55:52, skipping insertion in model container [2020-07-21 11:55:52,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:55:52" (3/3) ... [2020-07-21 11:55:52,931 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2020-07-21 11:55:52,944 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:55:52,953 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:55:52,970 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:55:53,010 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:55:53,010 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:55:53,010 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:55:53,010 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:55:53,011 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:55:53,011 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:55:53,011 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:55:53,011 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:55:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-21 11:55:53,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-21 11:55:53,053 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:55:53,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:55:53,057 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:55:53,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:55:53,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1960518123, now seen corresponding path program 1 times [2020-07-21 11:55:53,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:55:53,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914956750] [2020-07-21 11:55:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:55:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:55:53,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 11:55:53,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:55:53,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:55:53,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:55:53,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914956750] [2020-07-21 11:55:53,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:55:53,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 11:55:53,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96320516] [2020-07-21 11:55:53,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 11:55:53,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:55:53,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 11:55:53,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 11:55:53,548 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-07-21 11:55:53,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:55:53,666 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2020-07-21 11:55:53,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 11:55:53,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-21 11:55:53,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:55:53,686 INFO L225 Difference]: With dead ends: 38 [2020-07-21 11:55:53,687 INFO L226 Difference]: Without dead ends: 21 [2020-07-21 11:55:53,693 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 11:55:53,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-21 11:55:53,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2020-07-21 11:55:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-21 11:55:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-07-21 11:55:53,761 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2020-07-21 11:55:53,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:55:53,761 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2020-07-21 11:55:53,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 11:55:53,762 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-07-21 11:55:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-21 11:55:53,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:55:53,763 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:55:53,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:55:53,979 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:55:53,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:55:53,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1182240945, now seen corresponding path program 1 times [2020-07-21 11:55:53,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:55:53,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239945538] [2020-07-21 11:55:53,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:55:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:55:54,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 11:55:54,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:55:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:55:54,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:55:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:55:54,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239945538] [2020-07-21 11:55:54,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:55:54,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 11:55:54,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371520383] [2020-07-21 11:55:54,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 11:55:54,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:55:54,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 11:55:54,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:55:54,299 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 8 states. [2020-07-21 11:55:56,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:55:56,703 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2020-07-21 11:55:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 11:55:56,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-07-21 11:55:56,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:55:56,710 INFO L225 Difference]: With dead ends: 38 [2020-07-21 11:55:56,711 INFO L226 Difference]: Without dead ends: 35 [2020-07-21 11:55:56,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-07-21 11:55:56,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-21 11:55:56,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-07-21 11:55:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-21 11:55:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-07-21 11:55:56,748 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 17 [2020-07-21 11:55:56,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:55:56,749 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2020-07-21 11:55:56,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 11:55:56,751 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-07-21 11:55:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-21 11:55:56,753 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:55:56,754 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:55:56,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:55:56,969 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:55:56,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:55:56,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1890060651, now seen corresponding path program 2 times [2020-07-21 11:55:56,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:55:56,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977615152] [2020-07-21 11:55:56,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:55:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:55:57,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 11:55:57,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:55:57,327 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 11:55:57,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:56:01,732 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 11:56:01,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977615152] [2020-07-21 11:56:01,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:56:01,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-07-21 11:56:01,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922032087] [2020-07-21 11:56:01,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-21 11:56:01,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:56:01,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-21 11:56:01,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=129, Unknown=2, NotChecked=0, Total=182 [2020-07-21 11:56:01,741 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 14 states. [2020-07-21 11:56:19,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:56:19,403 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2020-07-21 11:56:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-21 11:56:19,404 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2020-07-21 11:56:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:56:19,408 INFO L225 Difference]: With dead ends: 68 [2020-07-21 11:56:19,408 INFO L226 Difference]: Without dead ends: 65 [2020-07-21 11:56:19,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=192, Invalid=456, Unknown=2, NotChecked=0, Total=650 [2020-07-21 11:56:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-21 11:56:19,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-07-21 11:56:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-21 11:56:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2020-07-21 11:56:19,425 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 32 [2020-07-21 11:56:19,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:56:19,426 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2020-07-21 11:56:19,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-21 11:56:19,427 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2020-07-21 11:56:19,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 11:56:19,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:56:19,430 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:56:19,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:56:19,632 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:56:19,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:56:19,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1772338347, now seen corresponding path program 3 times [2020-07-21 11:56:19,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:56:19,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397393576] [2020-07-21 11:56:19,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:56:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:56:19,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 11:56:19,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:56:20,098 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 11:56:20,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:56:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 245 refuted. 10 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:56:31,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397393576] [2020-07-21 11:56:31,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:56:31,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-07-21 11:56:31,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179992907] [2020-07-21 11:56:31,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-21 11:56:31,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:56:31,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-21 11:56:31,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=474, Unknown=5, NotChecked=0, Total=650 [2020-07-21 11:56:31,225 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 26 states. [2020-07-21 11:56:53,774 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 58 DAG size of output: 13 [2020-07-21 11:56:56,760 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 11:57:00,108 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 11:57:04,998 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 11:57:10,061 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-07-21 11:57:18,938 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 11:57:27,791 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 15 [2020-07-21 11:57:37,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:57:37,634 INFO L93 Difference]: Finished difference Result 128 states and 139 transitions. [2020-07-21 11:57:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-21 11:57:37,648 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 62 [2020-07-21 11:57:37,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:57:37,651 INFO L225 Difference]: With dead ends: 128 [2020-07-21 11:57:37,652 INFO L226 Difference]: Without dead ends: 125 [2020-07-21 11:57:37,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 54.1s TimeCoverageRelationStatistics Valid=661, Invalid=1776, Unknown=13, NotChecked=0, Total=2450 [2020-07-21 11:57:37,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-21 11:57:37,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2020-07-21 11:57:37,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-21 11:57:37,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2020-07-21 11:57:37,677 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 62 [2020-07-21 11:57:37,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:57:37,678 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2020-07-21 11:57:37,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-21 11:57:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2020-07-21 11:57:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 11:57:37,689 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:57:37,689 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:57:37,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:57:37,892 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:57:37,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:57:37,893 INFO L82 PathProgramCache]: Analyzing trace with hash -357330133, now seen corresponding path program 4 times [2020-07-21 11:57:37,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:57:37,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [663970787] [2020-07-21 11:57:37,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:57:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:57:38,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 49 conjunts are in the unsatisfiable core [2020-07-21 11:57:38,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:57:38,940 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 11:57:38,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:58:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1196 refuted. 25 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:58:06,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [663970787] [2020-07-21 11:58:06,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:58:06,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2020-07-21 11:58:06,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163464987] [2020-07-21 11:58:06,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-07-21 11:58:06,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:58:06,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-07-21 11:58:06,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1817, Unknown=12, NotChecked=0, Total=2450 [2020-07-21 11:58:06,612 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 50 states. [2020-07-21 11:58:23,503 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 99 DAG size of output: 14 [2020-07-21 11:58:32,277 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 100 DAG size of output: 15 [2020-07-21 11:58:37,463 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2020-07-21 11:58:45,207 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 15 [2020-07-21 11:58:58,438 WARN L193 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 85 DAG size of output: 15 [2020-07-21 11:59:06,545 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 15 [2020-07-21 11:59:16,466 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 75 DAG size of output: 15 [2020-07-21 11:59:25,346 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2020-07-21 11:59:33,391 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 15 [2020-07-21 11:59:41,299 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-07-21 11:59:48,035 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2020-07-21 11:59:54,790 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 15 [2020-07-21 12:00:02,721 WARN L193 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 45 DAG size of output: 20 [2020-07-21 12:00:17,464 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2020-07-21 12:00:21,288 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 15 [2020-07-21 12:00:47,222 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification that was a NOOP. DAG size: 20 [2020-07-21 12:00:53,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:00:53,873 INFO L93 Difference]: Finished difference Result 228 states and 247 transitions. [2020-07-21 12:00:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-21 12:00:53,876 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 122 [2020-07-21 12:00:53,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:00:53,880 INFO L225 Difference]: With dead ends: 228 [2020-07-21 12:00:53,880 INFO L226 Difference]: Without dead ends: 225 [2020-07-21 12:00:53,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1066 ImplicationChecksByTransitivity, 175.7s TimeCoverageRelationStatistics Valid=2176, Invalid=6538, Unknown=28, NotChecked=0, Total=8742 [2020-07-21 12:00:53,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-21 12:00:53,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2020-07-21 12:00:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-21 12:00:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2020-07-21 12:00:53,919 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 122 [2020-07-21 12:00:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:00:53,919 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2020-07-21 12:00:53,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-07-21 12:00:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2020-07-21 12:00:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-21 12:00:53,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:00:53,928 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:00:54,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:00:54,129 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:00:54,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:00:54,130 INFO L82 PathProgramCache]: Analyzing trace with hash -576259925, now seen corresponding path program 5 times [2020-07-21 12:00:54,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:00:54,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323812227] [2020-07-21 12:00:54,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:01:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:01:00,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 126 conjunts are in the unsatisfiable core [2020-07-21 12:01:00,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:01:02,646 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-07-21 12:01:02,647 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 12:01:02,650 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 12:01:02,650 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 12:01:02,651 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-07-21 12:01:02,927 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 12:01:02,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:01:03,044 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 12:01:03,045 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:02:32,515 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 12:02:32,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323812227] [2020-07-21 12:02:32,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:02:32,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 91 [2020-07-21 12:02:32,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073157759] [2020-07-21 12:02:32,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 91 states [2020-07-21 12:02:32,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:02:32,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2020-07-21 12:02:32,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7067, Unknown=37, NotChecked=0, Total=8190 [2020-07-21 12:02:32,522 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 91 states. [2020-07-21 12:03:18,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:03:18,883 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2020-07-21 12:03:18,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-21 12:03:18,884 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 222 [2020-07-21 12:03:18,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:03:18,885 INFO L225 Difference]: With dead ends: 225 [2020-07-21 12:03:18,885 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:03:18,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 91.7s TimeCoverageRelationStatistics Valid=1185, Invalid=7334, Unknown=37, NotChecked=0, Total=8556 [2020-07-21 12:03:18,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:03:18,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:03:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:03:18,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:03:18,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-07-21 12:03:18,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:03:18,891 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:03:18,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 91 states. [2020-07-21 12:03:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:03:18,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:03:19,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:03:19,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:03:19,398 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2020-07-21 12:03:21,567 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 465 DAG size of output: 152 [2020-07-21 12:03:21,571 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:03:21,572 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:03:21,572 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:03:21,572 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:03:21,572 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= 0 ~Id_MCDC_93~0) [2020-07-21 12:03:21,572 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point L159(lines 159 234) no Hoare annotation was computed. [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point L188(lines 188 206) no Hoare annotation was computed. [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point L217(lines 217 225) no Hoare annotation was computed. [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 235) no Hoare annotation was computed. [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point L180(lines 180 227) no Hoare annotation was computed. [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point L178(lines 178 232) no Hoare annotation was computed. [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 235) no Hoare annotation was computed. [2020-07-21 12:03:21,573 INFO L268 CegarLoopResult]: For program point L195(lines 195 205) no Hoare annotation was computed. [2020-07-21 12:03:21,574 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2020-07-21 12:03:21,574 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 12:03:21,575 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 (= 14 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (= 0 |old(~Id_MCDC_93~0)|)) (and .cse0 .cse1 (= 32 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 34 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 20 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 38 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 41 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 25 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 .cse1 (= 19 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 40 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 28 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 17 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 26 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 .cse0 .cse1 (= 12 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 .cse0 .cse1 (= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 27 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 .cse1 (= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 35 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 21 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 1 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 10 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 16 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 (= 29 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 13 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 36 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (= 3 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= 4 ~Id_MCDC_93~0) .cse1 (= 5 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 15 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 8 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 33 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 22 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 .cse1 (= 24 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse1 .cse2 (= 7 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 .cse1 .cse2 (= 6 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 .cse1 (= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1))) [2020-07-21 12:03:21,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:03:21 BoogieIcfgContainer [2020-07-21 12:03:21,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:03:21,647 INFO L168 Benchmark]: Toolchain (without parser) took 453004.51 ms. Allocated memory was 135.8 MB in the beginning and 243.8 MB in the end (delta: 108.0 MB). Free memory was 100.5 MB in the beginning and 193.3 MB in the end (delta: -92.8 MB). Peak memory consumption was 147.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:21,648 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:03:21,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.12 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 100.1 MB in the beginning and 175.1 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:21,650 INFO L168 Benchmark]: Boogie Preprocessor took 109.86 ms. Allocated memory is still 201.9 MB. Free memory was 175.1 MB in the beginning and 171.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:21,650 INFO L168 Benchmark]: RCFGBuilder took 3338.70 ms. Allocated memory is still 201.9 MB. Free memory was 171.5 MB in the beginning and 98.7 MB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:21,651 INFO L168 Benchmark]: TraceAbstraction took 448729.23 ms. Allocated memory was 201.9 MB in the beginning and 243.8 MB in the end (delta: 41.9 MB). Free memory was 98.0 MB in the beginning and 193.3 MB in the end (delta: -95.4 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:21,655 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.12 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 100.1 MB in the beginning and 175.1 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.86 ms. Allocated memory is still 201.9 MB. Free memory was 175.1 MB in the beginning and 171.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3338.70 ms. Allocated memory is still 201.9 MB. Free memory was 171.5 MB in the beginning and 98.7 MB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 448729.23 ms. Allocated memory was 201.9 MB in the beginning and 243.8 MB in the end (delta: 41.9 MB). Free memory was 98.0 MB in the beginning and 193.3 MB in the end (delta: -95.4 MB). Peak memory consumption was 78.7 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 12:03:21,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,684 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,684 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,684 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,684 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,690 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,690 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,690 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 12:03:21,701 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]) && 14 == Id_MCDC_89__Id_MCDC_96) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 9 == 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]) && 32 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 34 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 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]) && 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]) && 41 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 25 == Id_MCDC_89__Id_MCDC_96)) || ((18 == 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]) && 19 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 40 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 28 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 17 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 26 == 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])) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 12 == Id_MCDC_89__Id_MCDC_96)) || ((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)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 37 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 27 == Id_MCDC_89__Id_MCDC_96) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 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]) && 35 == 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]) && 21 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 1 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 10 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 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] && 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]) && 29 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 13 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 36 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 3 == Id_MCDC_89__Id_MCDC_96) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492])) || ((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)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 15 == Id_MCDC_89__Id_MCDC_96)) || ((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]) && 33 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 22 == Id_MCDC_89__Id_MCDC_96)) || ((Id_MCDC_93 % 4294967296 < 42 && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 24 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 7 == Id_MCDC_89__Id_MCDC_96)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && 2 == Id_MCDC_89__Id_MCDC_96) && 1 == Id_MCDC_93)) || ((0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] && Id_MCDC_93 % 4294967296 < 42) && 6 == Id_MCDC_89__Id_MCDC_96)) || ((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]) && 39 == 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]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 446.0s, OverallIterations: 6, TraceHistogramMax: 43, AutomataDifference: 300.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 148 SDtfs, 469 SDslu, 4412 SDs, 0 SdLazy, 10006 SolverSat, 265 SolverUnsat, 45 SolverUnknown, 0 SolverNotchecked, 99.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1008 GetRequests, 737 SyntacticMatches, 1 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1590 ImplicationChecksByTransitivity, 331.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 47 NumberOfFragments, 764 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 1155 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 136.8s InterpolantComputationTime, 467 NumberOfCodeBlocks, 467 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 911 ConstructedInterpolants, 0 QuantifiedInterpolants, 1943306 SizeOfPredicates, 33 NumberOfNonLiveVariables, 4156 ConjunctsInSsa, 225 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 252/11904 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...