./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:50:11,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:50:11,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:50:11,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:50:11,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:50:11,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:50:11,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:50:11,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:50:11,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:50:11,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:50:11,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:50:11,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:50:11,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:50:11,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:50:11,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:50:11,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:50:11,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:50:11,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:50:11,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:50:11,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:50:11,100 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:50:11,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:50:11,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:50:11,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:50:11,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:50:11,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:50:11,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:50:11,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:50:11,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:50:11,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:50:11,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:50:11,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:50:11,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:50:11,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:50:11,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:50:11,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:50:11,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:50:11,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:50:11,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:50:11,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:50:11,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:50:11,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:50:11,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 14:50:11,149 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:50:11,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:50:11,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:50:11,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:50:11,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:50:11,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:50:11,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:50:11,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:50:11,152 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:50:11,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:50:11,153 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:50:11,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 14:50:11,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:50:11,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:50:11,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:50:11,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:50:11,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:50:11,154 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:50:11,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:50:11,154 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:50:11,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:50:11,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:50:11,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:50:11,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:50:11,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:50:11,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:50:11,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:50:11,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:50:11,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 14:50:11,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 14:50:11,156 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:50:11,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:50:11,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:50:11,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 [2022-07-22 14:50:11,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:50:11,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:50:11,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:50:11,423 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:50:11,424 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:50:11,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2022-07-22 14:50:11,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd92c859/753218b4f17340fb848bccbaaeeb8ddf/FLAG10d7cf550 [2022-07-22 14:50:12,015 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:50:12,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2022-07-22 14:50:12,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd92c859/753218b4f17340fb848bccbaaeeb8ddf/FLAG10d7cf550 [2022-07-22 14:50:12,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd92c859/753218b4f17340fb848bccbaaeeb8ddf [2022-07-22 14:50:12,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:50:12,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:50:12,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:50:12,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:50:12,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:50:12,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:12,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12, skipping insertion in model container [2022-07-22 14:50:12,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:12,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:50:12,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:50:12,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26271,26284] [2022-07-22 14:50:12,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26396,26409] [2022-07-22 14:50:12,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26511,26524] [2022-07-22 14:50:12,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:50:12,797 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:50:12,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26271,26284] [2022-07-22 14:50:12,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26396,26409] [2022-07-22 14:50:12,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26511,26524] [2022-07-22 14:50:12,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:50:12,898 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:50:12,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12 WrapperNode [2022-07-22 14:50:12,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:50:12,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:50:12,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:50:12,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:50:12,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:12,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:12,972 INFO L137 Inliner]: procedures = 142, calls = 62, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 161 [2022-07-22 14:50:12,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:50:12,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:50:12,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:50:12,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:50:12,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:12,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:12,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:12,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:13,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:13,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:13,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:13,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:50:13,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:50:13,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:50:13,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:50:13,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (1/1) ... [2022-07-22 14:50:13,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:50:13,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:50:13,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 14:50:13,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 14:50:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-07-22 14:50:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-07-22 14:50:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2022-07-22 14:50:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2022-07-22 14:50:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 14:50:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:50:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 14:50:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2022-07-22 14:50:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2022-07-22 14:50:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 14:50:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:50:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 14:50:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 14:50:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2022-07-22 14:50:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2022-07-22 14:50:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:50:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:50:13,264 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:50:13,265 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:50:13,566 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:50:13,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:50:13,577 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-22 14:50:13,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:50:13 BoogieIcfgContainer [2022-07-22 14:50:13,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:50:13,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:50:13,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:50:13,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:50:13,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:50:12" (1/3) ... [2022-07-22 14:50:13,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@743146f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:50:13, skipping insertion in model container [2022-07-22 14:50:13,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:50:12" (2/3) ... [2022-07-22 14:50:13,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@743146f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:50:13, skipping insertion in model container [2022-07-22 14:50:13,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:50:13" (3/3) ... [2022-07-22 14:50:13,589 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex_unbounded-1.i [2022-07-22 14:50:13,626 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:50:13,626 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-22 14:50:13,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:50:13,699 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f1c6cc8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@79b589a9 [2022-07-22 14:50:13,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-22 14:50:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 60 states have internal predecessors, (76), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-22 14:50:13,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 14:50:13,712 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:50:13,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:50:13,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:50:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:50:13,719 INFO L85 PathProgramCache]: Analyzing trace with hash 104123182, now seen corresponding path program 1 times [2022-07-22 14:50:13,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:50:13,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93996630] [2022-07-22 14:50:13,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:50:13,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:50:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:13,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:50:13,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:50:13,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93996630] [2022-07-22 14:50:13,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93996630] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:50:13,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:50:13,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:50:13,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341594271] [2022-07-22 14:50:13,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:50:13,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:50:13,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:50:13,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:50:13,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:50:13,911 INFO L87 Difference]: Start difference. First operand has 72 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 60 states have internal predecessors, (76), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:50:13,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:50:13,943 INFO L93 Difference]: Finished difference Result 141 states and 186 transitions. [2022-07-22 14:50:13,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:50:13,945 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-07-22 14:50:13,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:50:13,953 INFO L225 Difference]: With dead ends: 141 [2022-07-22 14:50:13,954 INFO L226 Difference]: Without dead ends: 67 [2022-07-22 14:50:13,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:50:13,961 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:50:13,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:50:13,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-22 14:50:13,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-07-22 14:50:13,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 55 states have internal predecessors, (62), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-22 14:50:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2022-07-22 14:50:13,998 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 13 [2022-07-22 14:50:13,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:50:13,998 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2022-07-22 14:50:13,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:50:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2022-07-22 14:50:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 14:50:14,000 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:50:14,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:50:14,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 14:50:14,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:50:14,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:50:14,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1817192448, now seen corresponding path program 1 times [2022-07-22 14:50:14,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:50:14,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440929296] [2022-07-22 14:50:14,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:50:14,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:50:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:50:14,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:50:14,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440929296] [2022-07-22 14:50:14,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440929296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:50:14,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:50:14,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 14:50:14,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683845234] [2022-07-22 14:50:14,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:50:14,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 14:50:14,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:50:14,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 14:50:14,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:50:14,106 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:50:14,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:50:14,295 INFO L93 Difference]: Finished difference Result 122 states and 145 transitions. [2022-07-22 14:50:14,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 14:50:14,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-07-22 14:50:14,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:50:14,298 INFO L225 Difference]: With dead ends: 122 [2022-07-22 14:50:14,298 INFO L226 Difference]: Without dead ends: 116 [2022-07-22 14:50:14,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-22 14:50:14,300 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 58 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 14:50:14,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 327 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 14:50:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-07-22 14:50:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2022-07-22 14:50:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 80 states have (on average 1.2375) internal successors, (99), 83 states have internal predecessors, (99), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-22 14:50:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2022-07-22 14:50:14,315 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 13 [2022-07-22 14:50:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:50:14,315 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2022-07-22 14:50:14,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:50:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2022-07-22 14:50:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-22 14:50:14,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:50:14,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:50:14,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 14:50:14,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:50:14,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:50:14,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1399408007, now seen corresponding path program 1 times [2022-07-22 14:50:14,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:50:14,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879454998] [2022-07-22 14:50:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:50:14,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:50:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 14:50:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:50:14,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:50:14,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879454998] [2022-07-22 14:50:14,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879454998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:50:14,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:50:14,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 14:50:14,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964608314] [2022-07-22 14:50:14,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:50:14,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 14:50:14,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:50:14,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 14:50:14,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:50:14,389 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:50:14,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:50:14,407 INFO L93 Difference]: Finished difference Result 109 states and 136 transitions. [2022-07-22 14:50:14,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 14:50:14,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-07-22 14:50:14,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:50:14,409 INFO L225 Difference]: With dead ends: 109 [2022-07-22 14:50:14,409 INFO L226 Difference]: Without dead ends: 107 [2022-07-22 14:50:14,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:50:14,411 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:50:14,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:50:14,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-07-22 14:50:14,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-07-22 14:50:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 86 states have (on average 1.2209302325581395) internal successors, (105), 89 states have internal predecessors, (105), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (17), 13 states have call predecessors, (17), 11 states have call successors, (17) [2022-07-22 14:50:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 133 transitions. [2022-07-22 14:50:14,422 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 133 transitions. Word has length 15 [2022-07-22 14:50:14,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:50:14,423 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 133 transitions. [2022-07-22 14:50:14,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:50:14,423 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 133 transitions. [2022-07-22 14:50:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-22 14:50:14,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:50:14,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:50:14,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 14:50:14,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:50:14,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:50:14,425 INFO L85 PathProgramCache]: Analyzing trace with hash 175195298, now seen corresponding path program 1 times [2022-07-22 14:50:14,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:50:14,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739386605] [2022-07-22 14:50:14,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:50:14,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:50:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 14:50:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:50:14,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:50:14,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739386605] [2022-07-22 14:50:14,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739386605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:50:14,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:50:14,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 14:50:14,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178581008] [2022-07-22 14:50:14,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:50:14,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 14:50:14,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:50:14,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 14:50:14,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:50:14,488 INFO L87 Difference]: Start difference. First operand 107 states and 133 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:50:14,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:50:14,575 INFO L93 Difference]: Finished difference Result 183 states and 222 transitions. [2022-07-22 14:50:14,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 14:50:14,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-07-22 14:50:14,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:50:14,577 INFO L225 Difference]: With dead ends: 183 [2022-07-22 14:50:14,577 INFO L226 Difference]: Without dead ends: 83 [2022-07-22 14:50:14,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 14:50:14,579 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 19 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 14:50:14,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 190 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 14:50:14,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-07-22 14:50:14,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2022-07-22 14:50:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 64 states have internal predecessors, (70), 9 states have call successors, (9), 5 states have call predecessors, (9), 6 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2022-07-22 14:50:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2022-07-22 14:50:14,588 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 15 [2022-07-22 14:50:14,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:50:14,589 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2022-07-22 14:50:14,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:50:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2022-07-22 14:50:14,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 14:50:14,590 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:50:14,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:50:14,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 14:50:14,591 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:50:14,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:50:14,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1662157324, now seen corresponding path program 1 times [2022-07-22 14:50:14,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:50:14,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846540949] [2022-07-22 14:50:14,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:50:14,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:50:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:14,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 14:50:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:14,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 14:50:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 14:50:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:50:14,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:50:14,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846540949] [2022-07-22 14:50:14,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846540949] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 14:50:14,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682891044] [2022-07-22 14:50:14,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:50:14,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 14:50:14,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:50:14,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 14:50:14,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 14:50:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:50:15,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 50 conjunts are in the unsatisfiable core [2022-07-22 14:50:15,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:50:15,302 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 14:50:15,303 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-22 14:50:15,566 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-07-22 14:50:15,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-07-22 14:50:15,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 14:50:15,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 14:50:15,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 14:50:16,089 INFO L356 Elim1Store]: treesize reduction 106, result has 23.2 percent of original size [2022-07-22 14:50:16,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 196 treesize of output 350 [2022-07-22 14:50:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 14:50:16,501 INFO L356 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2022-07-22 14:50:16,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 292 treesize of output 233 [2022-07-22 14:50:16,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-07-22 14:50:17,585 INFO L356 Elim1Store]: treesize reduction 16, result has 70.9 percent of original size [2022-07-22 14:50:17,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 5535249 treesize of output 4336504 [2022-07-22 14:52:26,959 WARN L233 SmtUtils]: Spent 2.16m on a formula simplification. DAG size of input: 1698 DAG size of output: 1678 (called from [L 813] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-22 14:52:36,576 WARN L233 SmtUtils]: Spent 9.61s on a formula simplification that was a NOOP. DAG size: 1674 (called from [L 813] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-22 14:53:30,193 WARN L233 SmtUtils]: Spent 14.46s on a formula simplification that was a NOOP. DAG size: 1609 (called from [L 813] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-22 14:53:53,928 WARN L233 SmtUtils]: Spent 9.55s on a formula simplification that was a NOOP. DAG size: 1449 (called from [L 813] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-22 14:54:05,792 WARN L233 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 1291 (called from [L 813] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-22 14:54:15,432 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 1136 (called from [L 813] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-22 14:54:26,808 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 1133 (called from [L 813] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)