./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a5eadc7d48ecaba327c1cfd8d218dab923acf56 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a5eadc7d48ecaba327c1cfd8d218dab923acf56 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:28:17,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:28:17,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:28:18,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:28:18,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:28:18,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:28:18,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:28:18,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:28:18,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:28:18,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:28:18,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:28:18,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:28:18,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:28:18,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:28:18,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:28:18,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:28:18,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:28:18,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:28:18,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:28:18,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:28:18,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:28:18,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:28:18,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:28:18,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:28:18,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:28:18,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:28:18,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:28:18,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:28:18,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:28:18,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:28:18,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:28:18,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:28:18,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:28:18,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:28:18,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:28:18,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:28:18,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:28:18,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:28:18,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:28:18,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:28:18,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:28:18,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:28:18,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:28:18,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:28:18,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:28:18,153 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:28:18,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:28:18,154 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:28:18,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:28:18,154 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:28:18,154 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:28:18,155 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:28:18,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:28:18,156 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:28:18,162 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:28:18,162 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:28:18,163 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:28:18,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:28:18,164 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:28:18,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:28:18,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:28:18,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:28:18,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:28:18,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:28:18,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:28:18,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:28:18,165 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:28:18,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:28:18,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:28:18,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:28:18,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:28:18,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:28:18,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:28:18,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:28:18,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:28:18,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:28:18,169 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:28:18,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:28:18,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:28:18,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:28:18,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:28:18,170 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a5eadc7d48ecaba327c1cfd8d218dab923acf56 [2021-10-13 07:28:18,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:28:18,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:28:18,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:28:18,522 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:28:18,522 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:28:18,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-10-13 07:28:18,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data/14fd27fb6/8773f9ce437640c7a4ed42e6c76f3793/FLAG7d2f9f292 [2021-10-13 07:28:19,098 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:28:19,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-10-13 07:28:19,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data/14fd27fb6/8773f9ce437640c7a4ed42e6c76f3793/FLAG7d2f9f292 [2021-10-13 07:28:19,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data/14fd27fb6/8773f9ce437640c7a4ed42e6c76f3793 [2021-10-13 07:28:19,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:28:19,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:28:19,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:28:19,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:28:19,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:28:19,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:19" (1/1) ... [2021-10-13 07:28:19,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6080f29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:19, skipping insertion in model container [2021-10-13 07:28:19,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:19" (1/1) ... [2021-10-13 07:28:19,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:28:19,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:28:19,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2243,2256] [2021-10-13 07:28:19,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:28:19,838 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:28:19,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78d1fc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:19, skipping insertion in model container [2021-10-13 07:28:19,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:28:19,848 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:28:19,850 INFO L168 Benchmark]: Toolchain (without parser) took 414.46 ms. Allocated memory is still 98.6 MB. Free memory was 63.3 MB in the beginning and 72.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:19,851 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 72.7 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:28:19,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.88 ms. Allocated memory is still 98.6 MB. Free memory was 63.1 MB in the beginning and 72.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:19,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 72.7 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.88 ms. Allocated memory is still 98.6 MB. Free memory was 63.1 MB in the beginning and 72.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 340]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:28:22,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:28:22,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:28:22,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:28:22,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:28:22,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:28:22,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:28:22,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:28:22,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:28:22,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:28:22,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:28:22,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:28:22,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:28:22,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:28:22,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:28:22,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:28:22,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:28:22,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:28:22,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:28:22,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:28:22,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:28:22,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:28:22,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:28:22,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:28:22,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:28:22,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:28:22,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:28:22,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:28:22,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:28:22,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:28:22,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:28:22,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:28:22,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:28:22,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:28:22,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:28:22,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:28:22,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:28:22,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:28:22,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:28:22,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:28:22,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:28:22,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:28:22,277 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:28:22,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:28:22,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:28:22,280 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:28:22,280 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:28:22,280 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:28:22,280 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:28:22,280 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:28:22,280 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:28:22,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:28:22,283 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:28:22,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:28:22,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:28:22,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:28:22,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:28:22,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:28:22,284 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:28:22,285 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:28:22,285 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:28:22,285 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:28:22,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:28:22,285 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:28:22,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:28:22,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:28:22,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:28:22,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:28:22,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:28:22,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:28:22,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:28:22,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:28:22,287 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:28:22,287 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:28:22,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:28:22,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:28:22,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:28:22,288 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a5eadc7d48ecaba327c1cfd8d218dab923acf56 [2021-10-13 07:28:22,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:28:22,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:28:22,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:28:22,677 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:28:22,677 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:28:22,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-10-13 07:28:22,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data/ade41a13d/ecacb58da0a04e53adcf696c18cb5717/FLAGdc7d0e46d [2021-10-13 07:28:23,467 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:28:23,481 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-10-13 07:28:23,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data/ade41a13d/ecacb58da0a04e53adcf696c18cb5717/FLAGdc7d0e46d [2021-10-13 07:28:23,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/data/ade41a13d/ecacb58da0a04e53adcf696c18cb5717 [2021-10-13 07:28:23,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:28:23,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:28:23,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:28:23,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:28:23,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:28:23,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:23" (1/1) ... [2021-10-13 07:28:23,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3256841e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:23, skipping insertion in model container [2021-10-13 07:28:23,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:23" (1/1) ... [2021-10-13 07:28:23,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:28:23,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:28:24,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2243,2256] [2021-10-13 07:28:24,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:28:24,211 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:28:24,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:28:24,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2243,2256] [2021-10-13 07:28:24,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:28:24,288 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:28:24,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2243,2256] [2021-10-13 07:28:24,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:28:24,376 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:28:24,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24 WrapperNode [2021-10-13 07:28:24,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:28:24,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:28:24,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:28:24,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:28:24,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:28:24,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:28:24,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:28:24,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:28:24,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:28:24,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:28:24,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:28:24,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:28:24,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:28:24,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:28:24,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:28:24,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:28:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:28:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:28:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:28:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:28:26,914 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:28:26,914 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-13 07:28:26,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:28:26 BoogieIcfgContainer [2021-10-13 07:28:26,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:28:26,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:28:26,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:28:26,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:28:26,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:28:23" (1/3) ... [2021-10-13 07:28:26,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a582a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:28:26, skipping insertion in model container [2021-10-13 07:28:26,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24" (2/3) ... [2021-10-13 07:28:26,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a582a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:28:26, skipping insertion in model container [2021-10-13 07:28:26,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:28:26" (3/3) ... [2021-10-13 07:28:26,924 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2021-10-13 07:28:26,929 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:28:26,929 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:28:26,984 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:28:26,991 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:28:26,992 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:28:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 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) [2021-10-13 07:28:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 07:28:27,013 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:27,014 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:27,015 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:27,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:27,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2021-10-13 07:28:27,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:27,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739183735] [2021-10-13 07:28:27,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:27,035 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:27,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:27,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:27,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:28:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:27,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:28:27,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:27,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:27,344 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:27,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739183735] [2021-10-13 07:28:27,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739183735] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:27,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:27,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:28:27,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507560660] [2021-10-13 07:28:27,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:28:27,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:27,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:28:27,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:28:27,368 INFO L87 Difference]: Start difference. First operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-13 07:28:27,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:27,411 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-10-13 07:28:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:28:27,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-13 07:28:27,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:27,427 INFO L225 Difference]: With dead ends: 208 [2021-10-13 07:28:27,427 INFO L226 Difference]: Without dead ends: 103 [2021-10-13 07:28:27,431 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:28:27,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-13 07:28:27,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-13 07:28:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.47) internal successors, (147), 102 states have internal predecessors, (147), 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) [2021-10-13 07:28:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-10-13 07:28:27,491 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-10-13 07:28:27,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:27,492 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-10-13 07:28:27,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-13 07:28:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-10-13 07:28:27,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:28:27,497 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:27,497 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:27,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:27,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:27,710 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:27,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:27,713 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2021-10-13 07:28:27,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:27,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772167495] [2021-10-13 07:28:27,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:27,715 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:27,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:27,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:27,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:28:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:27,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:28:27,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:27,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:27,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:28,049 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:28,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772167495] [2021-10-13 07:28:28,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772167495] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:28,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:28,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:28:28,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103616289] [2021-10-13 07:28:28,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:28:28,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:28,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:28:28,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:28:28,056 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-13 07:28:28,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:28,086 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-10-13 07:28:28,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:28:28,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-10-13 07:28:28,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:28,088 INFO L225 Difference]: With dead ends: 103 [2021-10-13 07:28:28,089 INFO L226 Difference]: Without dead ends: 45 [2021-10-13 07:28:28,090 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:28:28,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-13 07:28:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-13 07:28:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 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) [2021-10-13 07:28:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-13 07:28:28,109 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-10-13 07:28:28,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:28,110 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-13 07:28:28,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-13 07:28:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-13 07:28:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 07:28:28,112 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:28,113 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:28,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:28,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:28,330 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:28,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:28,331 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2021-10-13 07:28:28,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:28,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681795239] [2021-10-13 07:28:28,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:28,332 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:28,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:28,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:28,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:28:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:28,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:28:28,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:28,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:28,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:28,663 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:28,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681795239] [2021-10-13 07:28:28,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681795239] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:28,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:28,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:28:28,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928211455] [2021-10-13 07:28:28,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:28:28,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:28,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:28:28,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:28:28,668 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-13 07:28:28,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:28,732 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2021-10-13 07:28:28,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:28:28,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 22 [2021-10-13 07:28:28,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:28,735 INFO L225 Difference]: With dead ends: 146 [2021-10-13 07:28:28,736 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 07:28:28,736 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:28:28,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 07:28:28,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2021-10-13 07:28:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 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) [2021-10-13 07:28:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-10-13 07:28:28,760 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2021-10-13 07:28:28,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:28,760 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-10-13 07:28:28,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-13 07:28:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-10-13 07:28:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:28:28,764 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:28,764 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:28,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:28,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:28,979 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:28,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:28,980 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2021-10-13 07:28:28,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:28,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128727199] [2021-10-13 07:28:28,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:28,981 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:28,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:28,982 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:29,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:28:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:29,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:28:29,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:29,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:29,390 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:29,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128727199] [2021-10-13 07:28:29,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128727199] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:29,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:29,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 07:28:29,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112418259] [2021-10-13 07:28:29,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:28:29,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:29,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:28:29,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:28:29,393 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-10-13 07:28:29,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:29,684 INFO L93 Difference]: Finished difference Result 483 states and 740 transitions. [2021-10-13 07:28:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 07:28:29,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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 24 [2021-10-13 07:28:29,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:29,689 INFO L225 Difference]: With dead ends: 483 [2021-10-13 07:28:29,689 INFO L226 Difference]: Without dead ends: 425 [2021-10-13 07:28:29,693 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 123.8ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-13 07:28:29,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-10-13 07:28:29,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 166. [2021-10-13 07:28:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.4606060606060607) internal successors, (241), 165 states have internal predecessors, (241), 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) [2021-10-13 07:28:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2021-10-13 07:28:29,742 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2021-10-13 07:28:29,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:29,742 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2021-10-13 07:28:29,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-10-13 07:28:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2021-10-13 07:28:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 07:28:29,749 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:29,749 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:29,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:29,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:29,961 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:29,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:29,962 INFO L82 PathProgramCache]: Analyzing trace with hash 234154931, now seen corresponding path program 1 times [2021-10-13 07:28:29,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:29,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937286251] [2021-10-13 07:28:29,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:29,963 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:29,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:29,965 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:29,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:28:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:30,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:28:30,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:30,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:30,300 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:30,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937286251] [2021-10-13 07:28:30,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937286251] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:30,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:30,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:28:30,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149392491] [2021-10-13 07:28:30,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:28:30,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:30,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:28:30,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:28:30,303 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-10-13 07:28:31,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:31,643 INFO L93 Difference]: Finished difference Result 414 states and 606 transitions. [2021-10-13 07:28:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:28:31,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-10-13 07:28:31,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:31,645 INFO L225 Difference]: With dead ends: 414 [2021-10-13 07:28:31,645 INFO L226 Difference]: Without dead ends: 254 [2021-10-13 07:28:31,646 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:28:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-10-13 07:28:31,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2021-10-13 07:28:31,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4223107569721116) internal successors, (357), 251 states have internal predecessors, (357), 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) [2021-10-13 07:28:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 357 transitions. [2021-10-13 07:28:31,673 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 357 transitions. Word has length 25 [2021-10-13 07:28:31,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:31,674 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 357 transitions. [2021-10-13 07:28:31,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-10-13 07:28:31,674 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 357 transitions. [2021-10-13 07:28:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:28:31,675 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:31,675 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:31,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:31,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:31,894 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:31,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:31,895 INFO L82 PathProgramCache]: Analyzing trace with hash 512849101, now seen corresponding path program 1 times [2021-10-13 07:28:31,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:31,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571430240] [2021-10-13 07:28:31,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:31,896 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:31,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:31,897 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:31,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:28:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:32,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:28:32,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:32,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:32,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:32,302 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:32,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571430240] [2021-10-13 07:28:32,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571430240] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:32,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:32,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:28:32,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209754264] [2021-10-13 07:28:32,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:28:32,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:32,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:28:32,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:28:32,304 INFO L87 Difference]: Start difference. First operand 252 states and 357 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) [2021-10-13 07:28:32,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:32,337 INFO L93 Difference]: Finished difference Result 364 states and 522 transitions. [2021-10-13 07:28:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:28:32,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2021-10-13 07:28:32,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:32,339 INFO L225 Difference]: With dead ends: 364 [2021-10-13 07:28:32,339 INFO L226 Difference]: Without dead ends: 118 [2021-10-13 07:28:32,340 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:28:32,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-13 07:28:32,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-13 07:28:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 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) [2021-10-13 07:28:32,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2021-10-13 07:28:32,351 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 26 [2021-10-13 07:28:32,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:32,351 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2021-10-13 07:28:32,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) [2021-10-13 07:28:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2021-10-13 07:28:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 07:28:32,353 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:32,353 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:32,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:32,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:32,566 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:32,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:32,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1927989650, now seen corresponding path program 1 times [2021-10-13 07:28:32,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:32,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456846216] [2021-10-13 07:28:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:32,567 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:32,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:32,568 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:32,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:28:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:32,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:28:32,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:32,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:33,129 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:33,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456846216] [2021-10-13 07:28:33,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456846216] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:28:33,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1859722705] [2021-10-13 07:28:33,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:33,130 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:28:33,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:28:33,132 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:28:33,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-13 07:28:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:33,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:28:33,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-13 07:28:33,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-13 07:28:33,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1859722705] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:33,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:28:33,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-13 07:28:33,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072727587] [2021-10-13 07:28:33,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:28:33,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:33,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:28:33,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:28:33,690 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-10-13 07:28:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:33,799 INFO L93 Difference]: Finished difference Result 242 states and 328 transitions. [2021-10-13 07:28:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:28:33,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 41 [2021-10-13 07:28:33,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:33,802 INFO L225 Difference]: With dead ends: 242 [2021-10-13 07:28:33,802 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:28:33,802 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 75.4ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:28:33,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:28:33,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:28:33,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-13 07:28:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:28:33,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-10-13 07:28:33,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:33,804 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:28:33,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-10-13 07:28:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:28:33,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:28:33,808 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:28:33,809 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:28:33,809 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:28:33,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:34,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:34,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:34,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:28:34,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:34,663 INFO L853 garLoopResultBuilder]: At program point L960(lines 909 961) the Hoare annotation is: false [2021-10-13 07:28:34,663 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2021-10-13 07:28:34,663 INFO L853 garLoopResultBuilder]: At program point L696(lines 696 702) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,663 INFO L853 garLoopResultBuilder]: At program point L696-1(lines 696 702) the Hoare annotation is: false [2021-10-13 07:28:34,663 INFO L853 garLoopResultBuilder]: At program point L696-2(lines 696 702) the Hoare annotation is: false [2021-10-13 07:28:34,664 INFO L853 garLoopResultBuilder]: At program point L104(lines 99 107) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,664 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 936) no Hoare annotation was computed. [2021-10-13 07:28:34,664 INFO L853 garLoopResultBuilder]: At program point L930-1(lines 930 936) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,664 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 212) no Hoare annotation was computed. [2021-10-13 07:28:34,664 INFO L860 garLoopResultBuilder]: At program point L205-1(lines 205 212) the Hoare annotation is: true [2021-10-13 07:28:34,664 INFO L857 garLoopResultBuilder]: For program point L866(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,664 INFO L857 garLoopResultBuilder]: For program point L866-2(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,664 INFO L857 garLoopResultBuilder]: For program point L866-3(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,664 INFO L857 garLoopResultBuilder]: For program point L866-5(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,664 INFO L857 garLoopResultBuilder]: For program point L866-6(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,664 INFO L857 garLoopResultBuilder]: For program point L866-8(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,665 INFO L857 garLoopResultBuilder]: For program point L866-9(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,665 INFO L857 garLoopResultBuilder]: For program point L866-11(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,665 INFO L857 garLoopResultBuilder]: For program point L866-12(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,665 INFO L857 garLoopResultBuilder]: For program point L866-14(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,665 INFO L857 garLoopResultBuilder]: For program point L866-15(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,665 INFO L857 garLoopResultBuilder]: For program point L866-17(lines 866 870) no Hoare annotation was computed. [2021-10-13 07:28:34,665 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2021-10-13 07:28:34,665 INFO L853 garLoopResultBuilder]: At program point L307(lines 302 310) the Hoare annotation is: false [2021-10-13 07:28:34,665 INFO L853 garLoopResultBuilder]: At program point L307-1(lines 302 310) the Hoare annotation is: false [2021-10-13 07:28:34,665 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2021-10-13 07:28:34,665 INFO L853 garLoopResultBuilder]: At program point L307-2(lines 302 310) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L853 garLoopResultBuilder]: At program point L307-3(lines 302 310) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L853 garLoopResultBuilder]: At program point L307-4(lines 302 310) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L853 garLoopResultBuilder]: At program point L307-5(lines 302 310) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L853 garLoopResultBuilder]: At program point L872(lines 857 875) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L853 garLoopResultBuilder]: At program point L872-1(lines 857 875) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L853 garLoopResultBuilder]: At program point L872-2(lines 857 875) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L853 garLoopResultBuilder]: At program point L872-3(lines 857 875) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L853 garLoopResultBuilder]: At program point L872-4(lines 857 875) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L853 garLoopResultBuilder]: At program point L872-5(lines 857 875) the Hoare annotation is: false [2021-10-13 07:28:34,666 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-13 07:28:34,666 INFO L857 garLoopResultBuilder]: For program point L113-1(line 113) no Hoare annotation was computed. [2021-10-13 07:28:34,667 INFO L857 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-10-13 07:28:34,667 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 955) no Hoare annotation was computed. [2021-10-13 07:28:34,667 INFO L853 garLoopResultBuilder]: At program point L808(lines 801 811) the Hoare annotation is: false [2021-10-13 07:28:34,667 INFO L853 garLoopResultBuilder]: At program point L808-1(lines 801 811) the Hoare annotation is: false [2021-10-13 07:28:34,667 INFO L853 garLoopResultBuilder]: At program point L808-2(lines 801 811) the Hoare annotation is: false [2021-10-13 07:28:34,667 INFO L860 garLoopResultBuilder]: At program point L214(lines 195 217) the Hoare annotation is: true [2021-10-13 07:28:34,667 INFO L853 garLoopResultBuilder]: At program point L181(lines 177 183) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,667 INFO L857 garLoopResultBuilder]: For program point L911(lines 910 959) no Hoare annotation was computed. [2021-10-13 07:28:34,667 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:28:34,667 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-10-13 07:28:34,667 INFO L853 garLoopResultBuilder]: At program point L53-1(lines 1 967) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,668 INFO L857 garLoopResultBuilder]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-10-13 07:28:34,668 INFO L853 garLoopResultBuilder]: At program point L53-3(lines 1 967) the Hoare annotation is: false [2021-10-13 07:28:34,668 INFO L857 garLoopResultBuilder]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-10-13 07:28:34,668 INFO L857 garLoopResultBuilder]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-10-13 07:28:34,668 INFO L853 garLoopResultBuilder]: At program point L53-5(lines 1 967) the Hoare annotation is: false [2021-10-13 07:28:34,668 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 764) no Hoare annotation was computed. [2021-10-13 07:28:34,668 INFO L857 garLoopResultBuilder]: For program point L747-1(lines 747 764) no Hoare annotation was computed. [2021-10-13 07:28:34,668 INFO L857 garLoopResultBuilder]: For program point L747-2(lines 747 764) no Hoare annotation was computed. [2021-10-13 07:28:34,668 INFO L857 garLoopResultBuilder]: For program point L880(lines 880 886) no Hoare annotation was computed. [2021-10-13 07:28:34,668 INFO L853 garLoopResultBuilder]: At program point L880-1(lines 880 886) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,668 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-13 07:28:34,669 INFO L857 garLoopResultBuilder]: For program point L948(lines 948 954) no Hoare annotation was computed. [2021-10-13 07:28:34,669 INFO L853 garLoopResultBuilder]: At program point L948-1(lines 689 695) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,669 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-10-13 07:28:34,669 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-10-13 07:28:34,669 INFO L857 garLoopResultBuilder]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-10-13 07:28:34,669 INFO L853 garLoopResultBuilder]: At program point L817(lines 812 820) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,672 INFO L853 garLoopResultBuilder]: At program point L817-1(lines 812 820) the Hoare annotation is: false [2021-10-13 07:28:34,672 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 759) no Hoare annotation was computed. [2021-10-13 07:28:34,672 INFO L853 garLoopResultBuilder]: At program point L817-2(lines 812 820) the Hoare annotation is: false [2021-10-13 07:28:34,673 INFO L857 garLoopResultBuilder]: For program point L751-1(lines 751 759) no Hoare annotation was computed. [2021-10-13 07:28:34,673 INFO L857 garLoopResultBuilder]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2021-10-13 07:28:34,673 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:28:34,674 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 738) no Hoare annotation was computed. [2021-10-13 07:28:34,674 INFO L857 garLoopResultBuilder]: For program point L721-1(lines 721 738) no Hoare annotation was computed. [2021-10-13 07:28:34,674 INFO L857 garLoopResultBuilder]: For program point L721-2(lines 721 738) no Hoare annotation was computed. [2021-10-13 07:28:34,675 INFO L857 garLoopResultBuilder]: For program point L721-3(lines 721 738) no Hoare annotation was computed. [2021-10-13 07:28:34,675 INFO L857 garLoopResultBuilder]: For program point L721-4(lines 721 738) no Hoare annotation was computed. [2021-10-13 07:28:34,675 INFO L857 garLoopResultBuilder]: For program point L721-5(lines 721 738) no Hoare annotation was computed. [2021-10-13 07:28:34,675 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:28:34,675 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-10-13 07:28:34,675 INFO L853 garLoopResultBuilder]: At program point L920-1(lines 920 926) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,676 INFO L853 garLoopResultBuilder]: At program point L689(lines 688 707) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,676 INFO L857 garLoopResultBuilder]: For program point L689-1(lines 689 695) no Hoare annotation was computed. [2021-10-13 07:28:34,676 INFO L853 garLoopResultBuilder]: At program point L689-2(lines 688 707) the Hoare annotation is: false [2021-10-13 07:28:34,676 INFO L853 garLoopResultBuilder]: At program point L689-3(lines 688 707) the Hoare annotation is: false [2021-10-13 07:28:34,676 INFO L853 garLoopResultBuilder]: At program point L96(lines 1 967) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,676 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-10-13 07:28:34,677 INFO L857 garLoopResultBuilder]: For program point L229-3(lines 229 233) no Hoare annotation was computed. [2021-10-13 07:28:34,677 INFO L853 garLoopResultBuilder]: At program point L130-2(lines 130 144) the Hoare annotation is: false [2021-10-13 07:28:34,677 INFO L857 garLoopResultBuilder]: For program point L229-6(lines 229 233) no Hoare annotation was computed. [2021-10-13 07:28:34,677 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 733) no Hoare annotation was computed. [2021-10-13 07:28:34,677 INFO L857 garLoopResultBuilder]: For program point L725-1(lines 725 733) no Hoare annotation was computed. [2021-10-13 07:28:34,679 INFO L857 garLoopResultBuilder]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2021-10-13 07:28:34,680 INFO L857 garLoopResultBuilder]: For program point L725-3(lines 725 733) no Hoare annotation was computed. [2021-10-13 07:28:34,680 INFO L857 garLoopResultBuilder]: For program point L725-4(lines 725 733) no Hoare annotation was computed. [2021-10-13 07:28:34,680 INFO L857 garLoopResultBuilder]: For program point L725-5(lines 725 733) no Hoare annotation was computed. [2021-10-13 07:28:34,680 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-13 07:28:34,680 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:28:34,680 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2021-10-13 07:28:34,680 INFO L853 garLoopResultBuilder]: At program point L298(lines 293 301) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:34,681 INFO L853 garLoopResultBuilder]: At program point L298-1(lines 293 301) the Hoare annotation is: false [2021-10-13 07:28:34,681 INFO L853 garLoopResultBuilder]: At program point L298-2(lines 293 301) the Hoare annotation is: false [2021-10-13 07:28:34,681 INFO L853 garLoopResultBuilder]: At program point L266(lines 261 269) the Hoare annotation is: false [2021-10-13 07:28:34,681 INFO L853 garLoopResultBuilder]: At program point L266-1(lines 261 269) the Hoare annotation is: false [2021-10-13 07:28:34,682 INFO L853 garLoopResultBuilder]: At program point L266-2(lines 261 269) the Hoare annotation is: false [2021-10-13 07:28:34,682 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-10-13 07:28:34,682 INFO L857 garLoopResultBuilder]: For program point L134-1(lines 689 695) no Hoare annotation was computed. [2021-10-13 07:28:34,686 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:28:34,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:28:34 BoogieIcfgContainer [2021-10-13 07:28:34,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:28:34,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:28:34,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:28:34,714 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:28:34,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:28:26" (3/4) ... [2021-10-13 07:28:34,717 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:28:34,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:28:34,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:28:34,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:28:34,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:28:34,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:28:34,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:28:34,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:28:34,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-13 07:28:34,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:28:34,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:28:34,855 INFO L168 Benchmark]: Toolchain (without parser) took 11113.39 ms. Allocated memory was 56.6 MB in the beginning and 121.6 MB in the end (delta: 65.0 MB). Free memory was 34.1 MB in the beginning and 76.8 MB in the end (delta: -42.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:34,855 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:28:34,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.52 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 33.8 MB in the beginning and 47.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:34,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.63 ms. Allocated memory is still 79.7 MB. Free memory was 47.4 MB in the beginning and 43.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:34,857 INFO L168 Benchmark]: Boogie Preprocessor took 73.11 ms. Allocated memory is still 79.7 MB. Free memory was 43.9 MB in the beginning and 60.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:34,857 INFO L168 Benchmark]: RCFGBuilder took 2349.79 ms. Allocated memory is still 79.7 MB. Free memory was 60.7 MB in the beginning and 54.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:34,858 INFO L168 Benchmark]: TraceAbstraction took 7794.58 ms. Allocated memory was 79.7 MB in the beginning and 121.6 MB in the end (delta: 41.9 MB). Free memory was 54.1 MB in the beginning and 85.2 MB in the end (delta: -31.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:34,858 INFO L168 Benchmark]: Witness Printer took 140.12 ms. Allocated memory is still 121.6 MB. Free memory was 85.2 MB in the beginning and 76.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:34,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 634.52 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 33.8 MB in the beginning and 47.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.63 ms. Allocated memory is still 79.7 MB. Free memory was 47.4 MB in the beginning and 43.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.11 ms. Allocated memory is still 79.7 MB. Free memory was 43.9 MB in the beginning and 60.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2349.79 ms. Allocated memory is still 79.7 MB. Free memory was 60.7 MB in the beginning and 54.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7794.58 ms. Allocated memory was 79.7 MB in the beginning and 121.6 MB in the end (delta: 41.9 MB). Free memory was 54.1 MB in the beginning and 85.2 MB in the end (delta: -31.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * Witness Printer took 140.12 ms. Allocated memory is still 121.6 MB. Free memory was 85.2 MB in the beginning and 76.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7704.4ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 26.0ms, AutomataDifference: 1983.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 449.2ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 545 SDtfs, 1013 SDslu, 808 SDs, 0 SdLazy, 153 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1473.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 223.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 173.5ms AutomataMinimizationTime, 7 MinimizatonAttempts, 304 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 339.6ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 99.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 180.3ms SsaConstructionTime, 810.3ms SatisfiabilityAnalysisTime, 1547.4ms InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 408 ConstructedInterpolants, 0 QuantifiedInterpolants, 774 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1621 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 54/64 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:28:34,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff1b235-5e8b-4f1d-9d8b-6c4f6194065a/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...