./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG --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 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 ............................................................................................................................................ 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_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG --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 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:55:51,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:55:51,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:55:51,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:55:51,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:55:51,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:55:51,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:55:51,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:55:51,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:55:51,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:55:51,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:55:51,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:55:51,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:55:51,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:55:51,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:55:51,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:55:51,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:55:51,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:55:51,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:55:51,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:55:51,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:55:51,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:55:51,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:55:51,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:55:51,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:55:51,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:55:51,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:55:51,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:55:51,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:55:51,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:55:51,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:55:51,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:55:51,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:55:51,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:55:51,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:55:51,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:55:51,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:55:51,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:55:51,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:55:51,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:55:51,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:55:51,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:55:52,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:55:52,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:55:52,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:55:52,016 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:55:52,016 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:55:52,017 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:55:52,017 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:55:52,017 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:55:52,018 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:55:52,018 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:55:52,018 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:55:52,018 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:55:52,019 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:55:52,019 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:55:52,019 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:55:52,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:55:52,021 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:55:52,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:55:52,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:55:52,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:55:52,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:55:52,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:55:52,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:55:52,023 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:55:52,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:55:52,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:55:52,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:55:52,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:55:52,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:55:52,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:55:52,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:55:52,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:55:52,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:55:52,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:55:52,027 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:55:52,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:55:52,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:55:52,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:55:52,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:55:52,028 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_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2021-10-29 04:55:52,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:55:52,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:55:52,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:55:52,377 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:55:52,378 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:55:52,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-29 04:55:52,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data/86ceb5a67/791a5f10e5e744dd935f7924b788cdb4/FLAG71d34c147 [2021-10-29 04:55:53,103 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:55:53,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-29 04:55:53,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data/86ceb5a67/791a5f10e5e744dd935f7924b788cdb4/FLAG71d34c147 [2021-10-29 04:55:53,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data/86ceb5a67/791a5f10e5e744dd935f7924b788cdb4 [2021-10-29 04:55:53,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:55:53,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:55:53,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:55:53,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:55:53,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:55:53,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:53" (1/1) ... [2021-10-29 04:55:53,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1732eb57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:53, skipping insertion in model container [2021-10-29 04:55:53,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:53" (1/1) ... [2021-10-29 04:55:53,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:55:53,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:55:53,703 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_cf5401be-f989-4eb4-bdcb-ab145e9fde64/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-29 04:55:53,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:55:53,955 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) [2021-10-29 04:55:53,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35ffe17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:53, skipping insertion in model container [2021-10-29 04:55:53,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:55:53,956 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:55:53,959 INFO L168 Benchmark]: Toolchain (without parser) took 582.24 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 62.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:55:53,960 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 65.6 MB in the beginning and 65.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:55:53,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.31 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 62.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:55:53,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 65.6 MB in the beginning and 65.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 579.31 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 62.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 573]: 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-b2eff8b [2021-10-29 04:55:56,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:55:56,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:55:56,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:55:56,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:55:56,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:55:56,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:55:56,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:55:56,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:55:56,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:55:56,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:55:56,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:55:56,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:55:56,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:55:56,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:55:56,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:55:56,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:55:56,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:55:56,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:55:56,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:55:56,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:55:56,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:55:56,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:55:56,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:55:56,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:55:56,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:55:56,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:55:56,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:55:56,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:55:56,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:55:56,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:55:56,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:55:56,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:55:56,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:55:56,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:55:56,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:55:56,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:55:56,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:55:56,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:55:56,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:55:56,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:55:56,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:55:56,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:55:56,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:55:56,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:55:56,568 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:55:56,568 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:55:56,568 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:55:56,568 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:55:56,569 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:55:56,569 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:55:56,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:55:56,575 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:55:56,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:55:56,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:55:56,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:55:56,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:55:56,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:55:56,577 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:55:56,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:55:56,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:55:56,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:55:56,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:55:56,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:55:56,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:55:56,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:55:56,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:55:56,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:55:56,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:55:56,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:55:56,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:55:56,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:55:56,580 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:55:56,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:55:56,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:55:56,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:55:56,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:55:56,581 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_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2021-10-29 04:55:57,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:55:57,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:55:57,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:55:57,048 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:55:57,049 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:55:57,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-29 04:55:57,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data/defb8e4ef/2f1c38a3c8fd4c2bac15c580d454ecbd/FLAGfbbe57429 [2021-10-29 04:55:57,883 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:55:57,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-29 04:55:57,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data/defb8e4ef/2f1c38a3c8fd4c2bac15c580d454ecbd/FLAGfbbe57429 [2021-10-29 04:55:58,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/data/defb8e4ef/2f1c38a3c8fd4c2bac15c580d454ecbd [2021-10-29 04:55:58,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:55:58,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:55:58,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:55:58,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:55:58,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:55:58,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71497a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58, skipping insertion in model container [2021-10-29 04:55:58,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:55:58,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:55:58,393 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_cf5401be-f989-4eb4-bdcb-ab145e9fde64/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-29 04:55:58,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:55:58,637 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:55:58,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:55:58,656 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_cf5401be-f989-4eb4-bdcb-ab145e9fde64/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-29 04:55:58,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:55:58,759 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:55:58,774 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_cf5401be-f989-4eb4-bdcb-ab145e9fde64/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-29 04:55:58,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:55:58,870 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:55:58,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58 WrapperNode [2021-10-29 04:55:58,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:55:58,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:55:58,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:55:58,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:55:58,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:55:58,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:55:58,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:55:58,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:55:58,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:59,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:59,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:59,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:59,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:55:59,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:55:59,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:55:59,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:55:59,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:59,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:55:59,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:55:59,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:55:59,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:55:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:55:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:55:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:55:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:56:02,021 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:56:02,021 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-29 04:56:02,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:56:02 BoogieIcfgContainer [2021-10-29 04:56:02,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:56:02,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:56:02,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:56:02,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:56:02,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:55:58" (1/3) ... [2021-10-29 04:56:02,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e652a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:56:02, skipping insertion in model container [2021-10-29 04:56:02,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (2/3) ... [2021-10-29 04:56:02,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e652a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:56:02, skipping insertion in model container [2021-10-29 04:56:02,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:56:02" (3/3) ... [2021-10-29 04:56:02,033 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2021-10-29 04:56:02,038 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:56:02,039 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 04:56:02,089 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:56:02,096 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, mAutomataTypeConcurrency=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 [2021-10-29 04:56:02,096 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 04:56:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 137 states have (on average 1.5401459854014599) internal successors, (211), 140 states have internal predecessors, (211), 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) [2021-10-29 04:56:02,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:56:02,121 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:02,121 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:02,122 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:02,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:02,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1941296929, now seen corresponding path program 1 times [2021-10-29 04:56:02,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:02,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304640089] [2021-10-29 04:56:02,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:02,144 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:02,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:02,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:02,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:56:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:02,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 04:56:02,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:02,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:02,546 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:02,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304640089] [2021-10-29 04:56:02,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304640089] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:02,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:02,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:56:02,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942002621] [2021-10-29 04:56:02,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 04:56:02,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:02,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 04:56:02,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:56:02,570 INFO L87 Difference]: Start difference. First operand has 141 states, 137 states have (on average 1.5401459854014599) internal successors, (211), 140 states have internal predecessors, (211), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-29 04:56:02,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:02,613 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2021-10-29 04:56:02,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 04:56:02,615 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-29 04:56:02,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:02,627 INFO L225 Difference]: With dead ends: 275 [2021-10-29 04:56:02,627 INFO L226 Difference]: Without dead ends: 137 [2021-10-29 04:56:02,631 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:56:02,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-29 04:56:02,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-29 04:56:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.4850746268656716) internal successors, (199), 136 states have internal predecessors, (199), 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) [2021-10-29 04:56:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2021-10-29 04:56:02,705 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2021-10-29 04:56:02,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:02,706 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2021-10-29 04:56:02,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-29 04:56:02,706 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2021-10-29 04:56:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:56:02,709 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:02,709 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:02,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:02,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:02,938 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:02,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:02,939 INFO L85 PathProgramCache]: Analyzing trace with hash 530190787, now seen corresponding path program 1 times [2021-10-29 04:56:02,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:02,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717102808] [2021-10-29 04:56:02,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:02,940 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:02,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:02,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:02,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:56:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:03,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:03,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:03,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:03,299 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:03,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717102808] [2021-10-29 04:56:03,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717102808] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:03,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:03,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:56:03,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552014641] [2021-10-29 04:56:03,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:56:03,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:03,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:56:03,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:03,304 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-29 04:56:03,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:03,323 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2021-10-29 04:56:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:56:03,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-10-29 04:56:03,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:03,325 INFO L225 Difference]: With dead ends: 137 [2021-10-29 04:56:03,326 INFO L226 Difference]: Without dead ends: 57 [2021-10-29 04:56:03,327 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-29 04:56:03,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-29 04:56:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 56 states have internal predecessors, (82), 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) [2021-10-29 04:56:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2021-10-29 04:56:03,334 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2021-10-29 04:56:03,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:03,335 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2021-10-29 04:56:03,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-29 04:56:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-10-29 04:56:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:56:03,336 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:03,337 INFO L513 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] [2021-10-29 04:56:03,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:03,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:03,550 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:03,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:03,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1901621695, now seen corresponding path program 1 times [2021-10-29 04:56:03,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:03,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085217833] [2021-10-29 04:56:03,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:03,552 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:03,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:03,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:03,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 04:56:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:03,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:03,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:03,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:04,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:04,035 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:04,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085217833] [2021-10-29 04:56:04,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085217833] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:04,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:04,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:56:04,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542276232] [2021-10-29 04:56:04,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:56:04,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:04,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:56:04,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:04,044 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-29 04:56:04,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:04,094 INFO L93 Difference]: Finished difference Result 181 states and 268 transitions. [2021-10-29 04:56:04,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:56:04,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 [2021-10-29 04:56:04,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:04,096 INFO L225 Difference]: With dead ends: 181 [2021-10-29 04:56:04,097 INFO L226 Difference]: Without dead ends: 131 [2021-10-29 04:56:04,098 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:04,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-29 04:56:04,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 77. [2021-10-29 04:56:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.486842105263158) internal successors, (113), 76 states have internal predecessors, (113), 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) [2021-10-29 04:56:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2021-10-29 04:56:04,129 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 24 [2021-10-29 04:56:04,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:04,129 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2021-10-29 04:56:04,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-29 04:56:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2021-10-29 04:56:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:56:04,134 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:04,135 INFO L513 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] [2021-10-29 04:56:04,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:04,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:04,359 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:04,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:04,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1082042232, now seen corresponding path program 1 times [2021-10-29 04:56:04,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:04,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682934486] [2021-10-29 04:56:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:04,361 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:04,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:04,363 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:04,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 04:56:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:04,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:04,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:04,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:04,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:04,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:04,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682934486] [2021-10-29 04:56:04,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682934486] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:04,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:04,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 04:56:04,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072752110] [2021-10-29 04:56:04,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:56:04,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:04,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:56:04,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:56:04,745 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-10-29 04:56:04,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:04,849 INFO L93 Difference]: Finished difference Result 169 states and 251 transitions. [2021-10-29 04:56:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:56:04,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 [2021-10-29 04:56:04,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:04,851 INFO L225 Difference]: With dead ends: 169 [2021-10-29 04:56:04,851 INFO L226 Difference]: Without dead ends: 99 [2021-10-29 04:56:04,852 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:56:04,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-29 04:56:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2021-10-29 04:56:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.4479166666666667) internal successors, (139), 96 states have internal predecessors, (139), 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) [2021-10-29 04:56:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2021-10-29 04:56:04,886 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 26 [2021-10-29 04:56:04,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:04,886 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2021-10-29 04:56:04,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-10-29 04:56:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2021-10-29 04:56:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:56:04,894 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:04,894 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:04,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-29 04:56:05,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:05,107 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:05,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:05,108 INFO L85 PathProgramCache]: Analyzing trace with hash -2071837624, now seen corresponding path program 1 times [2021-10-29 04:56:05,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:05,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875033990] [2021-10-29 04:56:05,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:05,110 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:05,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:05,112 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:05,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 04:56:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:05,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:56:05,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:05,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:05,662 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:05,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875033990] [2021-10-29 04:56:05,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875033990] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:05,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:05,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 04:56:05,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151288386] [2021-10-29 04:56:05,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:56:05,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:05,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:56:05,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:56:05,674 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-29 04:56:05,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:05,913 INFO L93 Difference]: Finished difference Result 484 states and 705 transitions. [2021-10-29 04:56:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 04:56:05,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-10-29 04:56:05,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:05,918 INFO L225 Difference]: With dead ends: 484 [2021-10-29 04:56:05,918 INFO L226 Difference]: Without dead ends: 394 [2021-10-29 04:56:05,920 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:56:05,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-10-29 04:56:05,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 176. [2021-10-29 04:56:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.4228571428571428) internal successors, (249), 175 states have internal predecessors, (249), 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) [2021-10-29 04:56:05,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 249 transitions. [2021-10-29 04:56:05,952 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 249 transitions. Word has length 27 [2021-10-29 04:56:05,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:05,953 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 249 transitions. [2021-10-29 04:56:05,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-29 04:56:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 249 transitions. [2021-10-29 04:56:05,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:56:05,955 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:05,955 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:05,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:06,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:06,171 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:06,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:06,172 INFO L85 PathProgramCache]: Analyzing trace with hash 788984512, now seen corresponding path program 1 times [2021-10-29 04:56:06,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:06,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874163232] [2021-10-29 04:56:06,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:06,174 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:06,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:06,177 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:06,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 04:56:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:06,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:56:06,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:06,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:06,659 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:06,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874163232] [2021-10-29 04:56:06,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874163232] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:06,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:06,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:56:06,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283277499] [2021-10-29 04:56:06,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:56:06,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:06,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:56:06,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:56:06,665 INFO L87 Difference]: Start difference. First operand 176 states and 249 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-29 04:56:06,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:06,905 INFO L93 Difference]: Finished difference Result 659 states and 937 transitions. [2021-10-29 04:56:06,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 04:56:06,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2021-10-29 04:56:06,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:06,910 INFO L225 Difference]: With dead ends: 659 [2021-10-29 04:56:06,911 INFO L226 Difference]: Without dead ends: 490 [2021-10-29 04:56:06,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:56:06,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2021-10-29 04:56:06,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 174. [2021-10-29 04:56:06,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.4046242774566473) internal successors, (243), 173 states have internal predecessors, (243), 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) [2021-10-29 04:56:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 243 transitions. [2021-10-29 04:56:06,943 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 243 transitions. Word has length 28 [2021-10-29 04:56:06,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:06,944 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 243 transitions. [2021-10-29 04:56:06,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-29 04:56:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 243 transitions. [2021-10-29 04:56:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 04:56:06,946 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:06,947 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:06,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:07,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:07,162 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:07,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:07,163 INFO L85 PathProgramCache]: Analyzing trace with hash -782080822, now seen corresponding path program 1 times [2021-10-29 04:56:07,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:07,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528323060] [2021-10-29 04:56:07,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:07,164 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:07,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:07,167 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:07,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 04:56:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:07,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 04:56:07,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:07,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:07,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:07,652 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:07,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528323060] [2021-10-29 04:56:07,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528323060] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:07,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:07,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 04:56:07,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798510157] [2021-10-29 04:56:07,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:56:07,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:07,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:56:07,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:56:07,657 INFO L87 Difference]: Start difference. First operand 174 states and 243 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-10-29 04:56:07,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:07,777 INFO L93 Difference]: Finished difference Result 659 states and 923 transitions. [2021-10-29 04:56:07,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:56:07,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 36 [2021-10-29 04:56:07,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:07,786 INFO L225 Difference]: With dead ends: 659 [2021-10-29 04:56:07,786 INFO L226 Difference]: Without dead ends: 492 [2021-10-29 04:56:07,787 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:56:07,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-10-29 04:56:07,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 182. [2021-10-29 04:56:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3867403314917126) internal successors, (251), 181 states have internal predecessors, (251), 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) [2021-10-29 04:56:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2021-10-29 04:56:07,829 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 251 transitions. Word has length 36 [2021-10-29 04:56:07,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:07,829 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 251 transitions. [2021-10-29 04:56:07,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-10-29 04:56:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2021-10-29 04:56:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 04:56:07,835 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:07,836 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:07,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:08,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:08,050 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:08,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:08,051 INFO L85 PathProgramCache]: Analyzing trace with hash 229036428, now seen corresponding path program 1 times [2021-10-29 04:56:08,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:08,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906339218] [2021-10-29 04:56:08,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:08,053 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:08,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:08,058 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:08,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 04:56:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:08,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:56:08,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:08,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:08,495 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:08,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906339218] [2021-10-29 04:56:08,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906339218] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:08,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:08,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:56:08,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017156850] [2021-10-29 04:56:08,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:56:08,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:08,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:56:08,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:56:08,497 INFO L87 Difference]: Start difference. First operand 182 states and 251 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-29 04:56:08,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:08,608 INFO L93 Difference]: Finished difference Result 519 states and 713 transitions. [2021-10-29 04:56:08,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 04:56:08,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-29 04:56:08,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:08,611 INFO L225 Difference]: With dead ends: 519 [2021-10-29 04:56:08,611 INFO L226 Difference]: Without dead ends: 344 [2021-10-29 04:56:08,612 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:56:08,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-10-29 04:56:08,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 194. [2021-10-29 04:56:08,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 193 states have (on average 1.3626943005181347) internal successors, (263), 193 states have internal predecessors, (263), 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) [2021-10-29 04:56:08,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 263 transitions. [2021-10-29 04:56:08,645 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 263 transitions. Word has length 36 [2021-10-29 04:56:08,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:08,646 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 263 transitions. [2021-10-29 04:56:08,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-29 04:56:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 263 transitions. [2021-10-29 04:56:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 04:56:08,647 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:08,647 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:08,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-29 04:56:08,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:08,861 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:08,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:08,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1803149176, now seen corresponding path program 1 times [2021-10-29 04:56:08,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:08,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366504355] [2021-10-29 04:56:08,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:08,863 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:08,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:08,864 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:08,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 04:56:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:09,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:09,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:09,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:09,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:09,422 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:09,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366504355] [2021-10-29 04:56:09,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366504355] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:09,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:09,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:56:09,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695408704] [2021-10-29 04:56:09,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:56:09,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:09,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:56:09,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:09,425 INFO L87 Difference]: Start difference. First operand 194 states and 263 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-10-29 04:56:09,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:09,556 INFO L93 Difference]: Finished difference Result 616 states and 839 transitions. [2021-10-29 04:56:09,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:56:09,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 36 [2021-10-29 04:56:09,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:09,560 INFO L225 Difference]: With dead ends: 616 [2021-10-29 04:56:09,561 INFO L226 Difference]: Without dead ends: 429 [2021-10-29 04:56:09,562 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:09,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-10-29 04:56:09,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 339. [2021-10-29 04:56:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.349112426035503) internal successors, (456), 338 states have internal predecessors, (456), 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) [2021-10-29 04:56:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 456 transitions. [2021-10-29 04:56:09,616 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 456 transitions. Word has length 36 [2021-10-29 04:56:09,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:09,617 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 456 transitions. [2021-10-29 04:56:09,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-10-29 04:56:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 456 transitions. [2021-10-29 04:56:09,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:56:09,618 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:09,618 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:09,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:09,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:09,831 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:09,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:09,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1017339336, now seen corresponding path program 1 times [2021-10-29 04:56:09,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:09,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315267707] [2021-10-29 04:56:09,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:09,832 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:09,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:09,833 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:09,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 04:56:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:10,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:56:10,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:10,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:10,416 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:10,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315267707] [2021-10-29 04:56:10,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [315267707] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:10,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:10,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 04:56:10,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527240128] [2021-10-29 04:56:10,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 04:56:10,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:10,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 04:56:10,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:56:10,418 INFO L87 Difference]: Start difference. First operand 339 states and 456 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2021-10-29 04:56:13,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:13,560 INFO L93 Difference]: Finished difference Result 1407 states and 1869 transitions. [2021-10-29 04:56:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 04:56:13,560 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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 37 [2021-10-29 04:56:13,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:13,567 INFO L225 Difference]: With dead ends: 1407 [2021-10-29 04:56:13,567 INFO L226 Difference]: Without dead ends: 1075 [2021-10-29 04:56:13,568 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-10-29 04:56:13,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2021-10-29 04:56:13,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 339. [2021-10-29 04:56:13,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.3254437869822486) internal successors, (448), 338 states have internal predecessors, (448), 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) [2021-10-29 04:56:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 448 transitions. [2021-10-29 04:56:13,638 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 448 transitions. Word has length 37 [2021-10-29 04:56:13,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:13,638 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 448 transitions. [2021-10-29 04:56:13,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2021-10-29 04:56:13,639 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 448 transitions. [2021-10-29 04:56:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 04:56:13,640 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:13,640 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:13,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:13,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:13,853 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:13,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:13,853 INFO L85 PathProgramCache]: Analyzing trace with hash -9909279, now seen corresponding path program 1 times [2021-10-29 04:56:13,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:13,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510126887] [2021-10-29 04:56:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:13,854 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:13,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:13,854 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:13,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 04:56:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:14,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:56:14,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:56:14,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:56:14,685 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:14,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510126887] [2021-10-29 04:56:14,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510126887] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:56:14,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [593985293] [2021-10-29 04:56:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:14,686 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:56:14,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:56:14,694 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:56:14,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-29 04:56:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:15,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:15,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:15,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:15,423 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:15,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [593985293] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:15,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 04:56:15,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-10-29 04:56:15,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821740505] [2021-10-29 04:56:15,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:56:15,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:15,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:56:15,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:56:15,425 INFO L87 Difference]: Start difference. First operand 339 states and 448 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-29 04:56:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:15,564 INFO L93 Difference]: Finished difference Result 559 states and 736 transitions. [2021-10-29 04:56:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:56:15,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2021-10-29 04:56:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:15,569 INFO L225 Difference]: With dead ends: 559 [2021-10-29 04:56:15,570 INFO L226 Difference]: Without dead ends: 557 [2021-10-29 04:56:15,570 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:56:15,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2021-10-29 04:56:15,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 391. [2021-10-29 04:56:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 390 states have (on average 1.3461538461538463) internal successors, (525), 390 states have internal predecessors, (525), 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) [2021-10-29 04:56:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 525 transitions. [2021-10-29 04:56:15,638 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 525 transitions. Word has length 58 [2021-10-29 04:56:15,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:15,639 INFO L470 AbstractCegarLoop]: Abstraction has 391 states and 525 transitions. [2021-10-29 04:56:15,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-29 04:56:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 525 transitions. [2021-10-29 04:56:15,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 04:56:15,642 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:15,642 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:15,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:15,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:16,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:16,055 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:16,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:16,055 INFO L85 PathProgramCache]: Analyzing trace with hash -592648286, now seen corresponding path program 1 times [2021-10-29 04:56:16,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:16,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315464041] [2021-10-29 04:56:16,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:16,056 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:16,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:16,057 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:16,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 04:56:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:16,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:56:16,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 04:56:16,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:17,087 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 04:56:17,088 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:17,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315464041] [2021-10-29 04:56:17,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [315464041] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:56:17,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2125730055] [2021-10-29 04:56:17,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:17,088 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:56:17,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:56:17,090 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:56:17,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-29 04:56:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:17,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:56:17,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 04:56:18,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 04:56:18,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2125730055] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:56:18,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026499311] [2021-10-29 04:56:18,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:18,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:56:18,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:56:18,451 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 04:56:18,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-29 04:56:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:19,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:56:19,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:56:19,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:56:19,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026499311] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-29 04:56:19,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-29 04:56:19,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5, 5, 8] total 14 [2021-10-29 04:56:19,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060364382] [2021-10-29 04:56:19,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 04:56:19,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:19,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 04:56:19,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-10-29 04:56:19,843 INFO L87 Difference]: Start difference. First operand 391 states and 525 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2021-10-29 04:56:24,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:24,280 INFO L93 Difference]: Finished difference Result 3382 states and 4517 transitions. [2021-10-29 04:56:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 04:56:24,281 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 82 [2021-10-29 04:56:24,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:24,305 INFO L225 Difference]: With dead ends: 3382 [2021-10-29 04:56:24,306 INFO L226 Difference]: Without dead ends: 2998 [2021-10-29 04:56:24,313 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2021-10-29 04:56:24,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2021-10-29 04:56:24,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 785. [2021-10-29 04:56:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 784 states have (on average 1.4005102040816326) internal successors, (1098), 784 states have internal predecessors, (1098), 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) [2021-10-29 04:56:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1098 transitions. [2021-10-29 04:56:24,500 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1098 transitions. Word has length 82 [2021-10-29 04:56:24,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:24,500 INFO L470 AbstractCegarLoop]: Abstraction has 785 states and 1098 transitions. [2021-10-29 04:56:24,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2021-10-29 04:56:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1098 transitions. [2021-10-29 04:56:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 04:56:24,504 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:24,504 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:24,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:24,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:24,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2021-10-29 04:56:25,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 04:56:25,127 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:25,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:25,127 INFO L85 PathProgramCache]: Analyzing trace with hash -987015072, now seen corresponding path program 1 times [2021-10-29 04:56:25,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:25,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5959140] [2021-10-29 04:56:25,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:25,128 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:25,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:25,129 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:25,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-29 04:56:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:25,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:56:25,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 04:56:25,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 04:56:26,194 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:26,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5959140] [2021-10-29 04:56:26,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5959140] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:26,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:26,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 04:56:26,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257608323] [2021-10-29 04:56:26,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 04:56:26,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:26,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 04:56:26,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 04:56:26,199 INFO L87 Difference]: Start difference. First operand 785 states and 1098 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2021-10-29 04:56:26,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:26,495 INFO L93 Difference]: Finished difference Result 1828 states and 2498 transitions. [2021-10-29 04:56:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 04:56:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 82 [2021-10-29 04:56:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:26,503 INFO L225 Difference]: With dead ends: 1828 [2021-10-29 04:56:26,503 INFO L226 Difference]: Without dead ends: 1050 [2021-10-29 04:56:26,505 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:56:26,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2021-10-29 04:56:26,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 466. [2021-10-29 04:56:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 465 states have (on average 1.356989247311828) internal successors, (631), 465 states have internal predecessors, (631), 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) [2021-10-29 04:56:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 631 transitions. [2021-10-29 04:56:26,609 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 631 transitions. Word has length 82 [2021-10-29 04:56:26,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:26,610 INFO L470 AbstractCegarLoop]: Abstraction has 466 states and 631 transitions. [2021-10-29 04:56:26,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2021-10-29 04:56:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 631 transitions. [2021-10-29 04:56:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-29 04:56:26,615 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:26,615 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:26,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:26,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:26,831 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:26,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:26,831 INFO L85 PathProgramCache]: Analyzing trace with hash 967457070, now seen corresponding path program 1 times [2021-10-29 04:56:26,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:26,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385140284] [2021-10-29 04:56:26,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:26,833 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:26,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:26,834 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:26,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-29 04:56:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:27,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:56:27,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 04:56:27,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:28,189 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 04:56:28,189 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:28,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385140284] [2021-10-29 04:56:28,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385140284] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:56:28,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [819806032] [2021-10-29 04:56:28,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:28,190 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:56:28,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:56:28,195 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:56:28,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-29 04:56:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:29,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:29,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 04:56:29,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 04:56:29,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [819806032] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:29,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 04:56:29,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 6 [2021-10-29 04:56:29,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705942197] [2021-10-29 04:56:29,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:56:29,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:29,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:56:29,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:56:29,477 INFO L87 Difference]: Start difference. First operand 466 states and 631 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-10-29 04:56:31,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:31,375 INFO L93 Difference]: Finished difference Result 769 states and 1026 transitions. [2021-10-29 04:56:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:56:31,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 83 [2021-10-29 04:56:31,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:31,377 INFO L225 Difference]: With dead ends: 769 [2021-10-29 04:56:31,377 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 04:56:31,378 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:56:31,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 04:56:31,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 04:56:31,379 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) [2021-10-29 04:56:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 04:56:31,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-29 04:56:31,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:31,380 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 04:56:31,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-10-29 04:56:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 04:56:31,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:56:31,383 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:56:31,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:56:31,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:56:31,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:31,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-10-29 04:56:31,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:31,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 04:56:31,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:33,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:33,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:33,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:33,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:33,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:33,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:34,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:34,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:34,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:34,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:34,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:35,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:35,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:35,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:35,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:35,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:35,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:35,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:35,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:38,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:40,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:42,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:44,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:44,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:45,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:48,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:48,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:48,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:48,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:48,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:48,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:48,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:49,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:49,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:57:03,129 WARN L207 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 354 DAG size of output: 24 [2021-10-29 04:57:19,960 WARN L207 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 332 DAG size of output: 23 [2021-10-29 04:57:29,753 WARN L207 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 352 DAG size of output: 25 [2021-10-29 04:57:34,540 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 04:57:34,541 INFO L853 garLoopResultBuilder]: At program point L532(lines 1 1013) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:57:34,541 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-10-29 04:57:34,541 INFO L853 garLoopResultBuilder]: At program point L334-1(lines 334 340) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse2 .cse6))) [2021-10-29 04:57:34,541 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 153) no Hoare annotation was computed. [2021-10-29 04:57:34,541 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 153) no Hoare annotation was computed. [2021-10-29 04:57:34,541 INFO L857 garLoopResultBuilder]: For program point L136-2(lines 136 153) no Hoare annotation was computed. [2021-10-29 04:57:34,542 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2021-10-29 04:57:34,542 INFO L857 garLoopResultBuilder]: For program point L995-1(lines 995 1001) no Hoare annotation was computed. [2021-10-29 04:57:34,542 INFO L857 garLoopResultBuilder]: For program point L995-2(lines 995 1001) no Hoare annotation was computed. [2021-10-29 04:57:34,542 INFO L857 garLoopResultBuilder]: For program point L995-3(lines 995 1001) no Hoare annotation was computed. [2021-10-29 04:57:34,542 INFO L857 garLoopResultBuilder]: For program point L995-4(lines 995 1001) no Hoare annotation was computed. [2021-10-29 04:57:34,543 INFO L857 garLoopResultBuilder]: For program point L995-5(lines 995 1001) no Hoare annotation was computed. [2021-10-29 04:57:34,543 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 934) no Hoare annotation was computed. [2021-10-29 04:57:34,543 INFO L853 garLoopResultBuilder]: At program point L469(lines 465 471) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:57:34,543 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2021-10-29 04:57:34,543 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2021-10-29 04:57:34,544 INFO L857 garLoopResultBuilder]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2021-10-29 04:57:34,544 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 148) no Hoare annotation was computed. [2021-10-29 04:57:34,544 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2021-10-29 04:57:34,544 INFO L857 garLoopResultBuilder]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2021-10-29 04:57:34,544 INFO L857 garLoopResultBuilder]: For program point L173-6(lines 173 179) no Hoare annotation was computed. [2021-10-29 04:57:34,545 INFO L857 garLoopResultBuilder]: For program point L173-8(lines 173 179) no Hoare annotation was computed. [2021-10-29 04:57:34,545 INFO L857 garLoopResultBuilder]: For program point L173-10(lines 173 179) no Hoare annotation was computed. [2021-10-29 04:57:34,545 INFO L853 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:57:34,545 INFO L853 garLoopResultBuilder]: At program point L207-1(lines 202 210) the Hoare annotation is: false [2021-10-29 04:57:34,545 INFO L853 garLoopResultBuilder]: At program point L207-2(lines 202 210) the Hoare annotation is: false [2021-10-29 04:57:34,546 INFO L853 garLoopResultBuilder]: At program point L1000(lines 991 1004) the Hoare annotation is: false [2021-10-29 04:57:34,546 INFO L853 garLoopResultBuilder]: At program point L1000-1(lines 991 1004) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4))) [2021-10-29 04:57:34,546 INFO L853 garLoopResultBuilder]: At program point L1000-2(lines 991 1004) the Hoare annotation is: false [2021-10-29 04:57:34,546 INFO L853 garLoopResultBuilder]: At program point L1000-3(lines 991 1004) the Hoare annotation is: false [2021-10-29 04:57:34,547 INFO L853 garLoopResultBuilder]: At program point L1000-4(lines 991 1004) the Hoare annotation is: false [2021-10-29 04:57:34,547 INFO L853 garLoopResultBuilder]: At program point L1000-5(lines 991 1004) the Hoare annotation is: false [2021-10-29 04:57:34,547 INFO L860 garLoopResultBuilder]: At program point L505(lines 486 508) the Hoare annotation is: true [2021-10-29 04:57:34,547 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 04:57:34,547 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-10-29 04:57:34,548 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2021-10-29 04:57:34,548 INFO L857 garLoopResultBuilder]: For program point L275-3(lines 275 279) no Hoare annotation was computed. [2021-10-29 04:57:34,548 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 127) no Hoare annotation was computed. [2021-10-29 04:57:34,548 INFO L857 garLoopResultBuilder]: For program point L275-5(lines 275 279) no Hoare annotation was computed. [2021-10-29 04:57:34,548 INFO L857 garLoopResultBuilder]: For program point L110-1(lines 110 127) no Hoare annotation was computed. [2021-10-29 04:57:34,548 INFO L857 garLoopResultBuilder]: For program point L275-6(lines 275 279) no Hoare annotation was computed. [2021-10-29 04:57:34,548 INFO L857 garLoopResultBuilder]: For program point L110-2(lines 110 127) no Hoare annotation was computed. [2021-10-29 04:57:34,548 INFO L857 garLoopResultBuilder]: For program point L110-3(lines 110 127) no Hoare annotation was computed. [2021-10-29 04:57:34,549 INFO L857 garLoopResultBuilder]: For program point L275-8(lines 275 279) no Hoare annotation was computed. [2021-10-29 04:57:34,549 INFO L857 garLoopResultBuilder]: For program point L110-4(lines 110 127) no Hoare annotation was computed. [2021-10-29 04:57:34,549 INFO L857 garLoopResultBuilder]: For program point L110-5(lines 110 127) no Hoare annotation was computed. [2021-10-29 04:57:34,549 INFO L853 garLoopResultBuilder]: At program point L540(lines 535 543) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:57:34,549 INFO L853 garLoopResultBuilder]: At program point L78(lines 77 96) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5))) [2021-10-29 04:57:34,549 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 78 84) no Hoare annotation was computed. [2021-10-29 04:57:34,550 INFO L853 garLoopResultBuilder]: At program point L78-2(lines 77 96) the Hoare annotation is: false [2021-10-29 04:57:34,550 INFO L853 garLoopResultBuilder]: At program point L78-3(lines 77 96) the Hoare annotation is: false [2021-10-29 04:57:34,550 INFO L853 garLoopResultBuilder]: At program point L377(lines 372 379) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:57:34,550 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2021-10-29 04:57:34,550 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2021-10-29 04:57:34,550 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 114 122) no Hoare annotation was computed. [2021-10-29 04:57:34,551 INFO L857 garLoopResultBuilder]: For program point L114-2(lines 114 122) no Hoare annotation was computed. [2021-10-29 04:57:34,551 INFO L857 garLoopResultBuilder]: For program point L114-3(lines 114 122) no Hoare annotation was computed. [2021-10-29 04:57:34,551 INFO L857 garLoopResultBuilder]: For program point L114-4(lines 114 122) no Hoare annotation was computed. [2021-10-29 04:57:34,551 INFO L857 garLoopResultBuilder]: For program point L114-5(lines 114 122) no Hoare annotation was computed. [2021-10-29 04:57:34,551 INFO L853 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse2 (or (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (not (= ~waterLevel~0 (_ bv1 32))))) (.cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse5) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-29 04:57:34,552 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 266 284) the Hoare annotation is: false [2021-10-29 04:57:34,552 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 266 284) the Hoare annotation is: false [2021-10-29 04:57:34,552 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 946) no Hoare annotation was computed. [2021-10-29 04:57:34,552 INFO L857 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2021-10-29 04:57:34,552 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-10-29 04:57:34,553 INFO L853 garLoopResultBuilder]: At program point L85(lines 85 91) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse2 .cse1))) [2021-10-29 04:57:34,553 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: false [2021-10-29 04:57:34,553 INFO L853 garLoopResultBuilder]: At program point L85-2(lines 85 91) the Hoare annotation is: false [2021-10-29 04:57:34,553 INFO L853 garLoopResultBuilder]: At program point L1010(lines 1005 1013) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3))) [2021-10-29 04:57:34,554 INFO L853 garLoopResultBuilder]: At program point L1010-1(lines 1005 1013) the Hoare annotation is: false [2021-10-29 04:57:34,554 INFO L853 garLoopResultBuilder]: At program point L1010-2(lines 1005 1013) the Hoare annotation is: false [2021-10-29 04:57:34,554 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2021-10-29 04:57:34,554 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 04:57:34,554 INFO L853 garLoopResultBuilder]: At program point L350-1(lines 78 84) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse5 .cse4))) [2021-10-29 04:57:34,555 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-29 04:57:34,555 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-29 04:57:34,555 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-29 04:57:34,555 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-29 04:57:34,555 INFO L853 garLoopResultBuilder]: At program point L388-1(lines 1 1013) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse6))) [2021-10-29 04:57:34,556 INFO L853 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: false [2021-10-29 04:57:34,556 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-29 04:57:34,556 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-10-29 04:57:34,556 INFO L853 garLoopResultBuilder]: At program point L388-3(lines 1 1013) the Hoare annotation is: false [2021-10-29 04:57:34,556 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 04:57:34,557 INFO L853 garLoopResultBuilder]: At program point L289-1(lines 289 295) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-29 04:57:34,557 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,557 INFO L857 garLoopResultBuilder]: For program point L388-4(lines 388 405) no Hoare annotation was computed. [2021-10-29 04:57:34,557 INFO L853 garLoopResultBuilder]: At program point L388-5(lines 1 1013) the Hoare annotation is: false [2021-10-29 04:57:34,557 INFO L857 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,558 INFO L857 garLoopResultBuilder]: For program point L256-3(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,558 INFO L857 garLoopResultBuilder]: For program point L256-5(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,558 INFO L857 garLoopResultBuilder]: For program point L256-6(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,558 INFO L857 garLoopResultBuilder]: For program point L256-8(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,558 INFO L857 garLoopResultBuilder]: For program point L256-9(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,558 INFO L857 garLoopResultBuilder]: For program point L256-11(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,559 INFO L857 garLoopResultBuilder]: For program point L256-12(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,559 INFO L857 garLoopResultBuilder]: For program point L256-14(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,559 INFO L857 garLoopResultBuilder]: For program point L256-15(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,559 INFO L857 garLoopResultBuilder]: For program point L256-17(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:57:34,559 INFO L857 garLoopResultBuilder]: For program point L422(line 422) no Hoare annotation was computed. [2021-10-29 04:57:34,560 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-10-29 04:57:34,560 INFO L857 garLoopResultBuilder]: For program point L918-3(lines 918 922) no Hoare annotation was computed. [2021-10-29 04:57:34,560 INFO L857 garLoopResultBuilder]: For program point L918-6(lines 918 922) no Hoare annotation was computed. [2021-10-29 04:57:34,560 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-10-29 04:57:34,560 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse6))) [2021-10-29 04:57:34,561 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 04:57:34,561 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2021-10-29 04:57:34,561 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2021-10-29 04:57:34,561 INFO L857 garLoopResultBuilder]: For program point L425-1(lines 78 84) no Hoare annotation was computed. [2021-10-29 04:57:34,561 INFO L857 garLoopResultBuilder]: For program point L392-2(lines 392 402) no Hoare annotation was computed. [2021-10-29 04:57:34,562 INFO L857 garLoopResultBuilder]: For program point L392-4(lines 392 402) no Hoare annotation was computed. [2021-10-29 04:57:34,562 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2021-10-29 04:57:34,562 INFO L857 garLoopResultBuilder]: For program point L393-2(lines 393 399) no Hoare annotation was computed. [2021-10-29 04:57:34,562 INFO L857 garLoopResultBuilder]: For program point L393-4(lines 393 399) no Hoare annotation was computed. [2021-10-29 04:57:34,562 INFO L853 garLoopResultBuilder]: At program point L955(lines 950 958) the Hoare annotation is: false [2021-10-29 04:57:34,563 INFO L853 garLoopResultBuilder]: At program point L955-1(lines 950 958) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3))) [2021-10-29 04:57:34,563 INFO L853 garLoopResultBuilder]: At program point L955-2(lines 950 958) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 04:57:34,563 INFO L853 garLoopResultBuilder]: At program point L955-3(lines 950 958) the Hoare annotation is: false [2021-10-29 04:57:34,563 INFO L853 garLoopResultBuilder]: At program point L955-4(lines 950 958) the Hoare annotation is: false [2021-10-29 04:57:34,564 INFO L853 garLoopResultBuilder]: At program point L955-5(lines 950 958) the Hoare annotation is: false [2021-10-29 04:57:34,564 INFO L853 garLoopResultBuilder]: At program point L955-6(lines 950 958) the Hoare annotation is: false [2021-10-29 04:57:34,564 INFO L853 garLoopResultBuilder]: At program point L955-7(lines 950 958) the Hoare annotation is: false [2021-10-29 04:57:34,564 INFO L853 garLoopResultBuilder]: At program point L955-8(lines 950 958) the Hoare annotation is: false [2021-10-29 04:57:34,564 INFO L853 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: false [2021-10-29 04:57:34,565 INFO L853 garLoopResultBuilder]: At program point L262-1(lines 247 265) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse4 .cse5))) [2021-10-29 04:57:34,565 INFO L853 garLoopResultBuilder]: At program point L262-2(lines 247 265) the Hoare annotation is: false [2021-10-29 04:57:34,565 INFO L853 garLoopResultBuilder]: At program point L262-3(lines 247 265) the Hoare annotation is: false [2021-10-29 04:57:34,565 INFO L853 garLoopResultBuilder]: At program point L262-4(lines 247 265) the Hoare annotation is: false [2021-10-29 04:57:34,565 INFO L853 garLoopResultBuilder]: At program point L262-5(lines 247 265) the Hoare annotation is: false [2021-10-29 04:57:34,566 INFO L853 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: false [2021-10-29 04:57:34,566 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 04:57:34,566 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 04:57:34,566 INFO L853 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: false [2021-10-29 04:57:34,566 INFO L853 garLoopResultBuilder]: At program point L198-1(lines 191 201) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3))) [2021-10-29 04:57:34,567 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 191 201) the Hoare annotation is: false [2021-10-29 04:57:34,567 INFO L853 garLoopResultBuilder]: At program point L198-3(lines 191 201) the Hoare annotation is: false [2021-10-29 04:57:34,567 INFO L853 garLoopResultBuilder]: At program point L198-4(lines 191 201) the Hoare annotation is: false [2021-10-29 04:57:34,567 INFO L853 garLoopResultBuilder]: At program point L198-5(lines 191 201) the Hoare annotation is: false [2021-10-29 04:57:34,567 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 503) no Hoare annotation was computed. [2021-10-29 04:57:34,568 INFO L860 garLoopResultBuilder]: At program point L496-1(lines 496 503) the Hoare annotation is: true [2021-10-29 04:57:34,572 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:57:34,574 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:57:34,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:57:34 BoogieIcfgContainer [2021-10-29 04:57:34,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:57:34,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:57:34,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:57:34,609 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:57:34,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:56:02" (3/4) ... [2021-10-29 04:57:34,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:57:34,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 04:57:34,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:57:34,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 04:57:34,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:57:34,644 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:57:34,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:57:34,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:57:34,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:57:34,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:57:34,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:57:34,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) [2021-10-29 04:57:34,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 04:57:34,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:57:34,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) [2021-10-29 04:57:34,686 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 04:57:34,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 04:57:34,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 04:57:34,755 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:57:34,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:57:34,756 INFO L168 Benchmark]: Toolchain (without parser) took 96629.26 ms. Allocated memory was 67.1 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 45.5 MB in the beginning and 904.2 MB in the end (delta: -858.7 MB). Peak memory consumption was 735.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:34,757 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:57:34,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.81 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 35.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:34,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.07 ms. Allocated memory is still 67.1 MB. Free memory was 35.1 MB in the beginning and 31.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:34,758 INFO L168 Benchmark]: Boogie Preprocessor took 89.36 ms. Allocated memory is still 67.1 MB. Free memory was 31.2 MB in the beginning and 28.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:34,759 INFO L168 Benchmark]: RCFGBuilder took 2964.17 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 28.1 MB in the beginning and 67.3 MB in the end (delta: -39.2 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:34,759 INFO L168 Benchmark]: TraceAbstraction took 92582.48 ms. Allocated memory was 90.2 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 66.8 MB in the beginning and 915.7 MB in the end (delta: -849.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2021-10-29 04:57:34,760 INFO L168 Benchmark]: Witness Printer took 146.48 ms. Allocated memory is still 1.7 GB. Free memory was 915.7 MB in the beginning and 904.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:34,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 741.81 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 35.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.07 ms. Allocated memory is still 67.1 MB. Free memory was 35.1 MB in the beginning and 31.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.36 ms. Allocated memory is still 67.1 MB. Free memory was 31.2 MB in the beginning and 28.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2964.17 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 28.1 MB in the beginning and 67.3 MB in the end (delta: -39.2 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 92582.48 ms. Allocated memory was 90.2 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 66.8 MB in the beginning and 915.7 MB in the end (delta: -849.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * Witness Printer took 146.48 ms. Allocated memory is still 1.7 GB. Free memory was 915.7 MB in the beginning and 904.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 141 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 92.4s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 62.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1790 SDtfs, 2961 SDslu, 4330 SDs, 0 SdLazy, 481 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1812 GetRequests, 1721 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=785occurred in iteration=12, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 4839 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 183 NumberOfFragments, 864 HoareAnnotationTreeSize, 57 FomulaSimplifications, 42236674 FormulaSimplificationTreeSizeReduction, 17.9s HoareSimplificationTime, 57 FomulaSimplificationsInter, 43025733 FormulaSimplificationTreeSizeReductionInter, 44.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 897 NumberOfCodeBlocks, 897 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1758 ConstructedInterpolants, 0 QuantifiedInterpolants, 3418 SizeOfPredicates, 38 NumberOfNonLiveVariables, 4275 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 36 InterpolantComputations, 27 PerfectInterpolantSequences, 636/684 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: 289]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 04:57:34,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5401be-f989-4eb4-bdcb-ab145e9fde64/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...