./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE --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 e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 ............................................................................................................................................ 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_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE --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 e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:02:04,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:02:04,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:02:04,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:02:04,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:02:04,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:02:04,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:02:04,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:02:04,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:02:04,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:02:04,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:02:04,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:02:04,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:02:04,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:02:04,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:02:04,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:02:04,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:02:05,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:02:05,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:02:05,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:02:05,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:02:05,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:02:05,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:02:05,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:02:05,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:02:05,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:02:05,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:02:05,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:02:05,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:02:05,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:02:05,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:02:05,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:02:05,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:02:05,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:02:05,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:02:05,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:02:05,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:02:05,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:02:05,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:02:05,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:02:05,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:02:05,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:02:05,093 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:02:05,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:02:05,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:02:05,098 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:02:05,098 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:02:05,098 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:02:05,098 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:02:05,099 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:02:05,099 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:02:05,099 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:02:05,107 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:02:05,108 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:02:05,108 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:02:05,108 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:02:05,109 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:02:05,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:02:05,110 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:02:05,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:02:05,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:02:05,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:02:05,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:02:05,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:02:05,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:02:05,112 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:02:05,112 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:02:05,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:02:05,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:02:05,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:02:05,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:02:05,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:02:05,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:02:05,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:02:05,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:02:05,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:02:05,115 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:02:05,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:02:05,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:02:05,116 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:02:05,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:02:05,117 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_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 [2021-10-24 10:02:05,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:02:05,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:02:05,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:02:05,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:02:05,508 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:02:05,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-24 10:02:05,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data/113d37426/0f4a328508934b03be6c441d51a205b5/FLAGef54ee23b [2021-10-24 10:02:06,258 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:02:06,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-24 10:02:06,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data/113d37426/0f4a328508934b03be6c441d51a205b5/FLAGef54ee23b [2021-10-24 10:02:06,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data/113d37426/0f4a328508934b03be6c441d51a205b5 [2021-10-24 10:02:06,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:02:06,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:02:06,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:06,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:02:06,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:02:06,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:06" (1/1) ... [2021-10-24 10:02:06,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274de86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:06, skipping insertion in model container [2021-10-24 10:02:06,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:06" (1/1) ... [2021-10-24 10:02:06,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:02:06,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:02:06,997 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_5fd3ec49-90c8-48bd-b75d-06e250377e74/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-10-24 10:02:07,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:07,031 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) [2021-10-24 10:02:07,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77f2e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:07, skipping insertion in model container [2021-10-24 10:02:07,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:07,032 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:02:07,035 INFO L168 Benchmark]: Toolchain (without parser) took 537.97 ms. Allocated memory is still 94.4 MB. Free memory was 55.4 MB in the beginning and 67.4 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:07,036 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 72.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:02:07,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.81 ms. Allocated memory is still 94.4 MB. Free memory was 55.2 MB in the beginning and 67.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:07,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 72.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 531.81 ms. Allocated memory is still 94.4 MB. Free memory was 55.2 MB in the beginning and 67.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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-e943c26 [2021-10-24 10:02:09,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:02:09,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:02:09,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:02:09,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:02:09,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:02:09,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:02:09,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:02:09,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:02:09,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:02:09,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:02:09,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:02:09,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:02:09,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:02:09,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:02:09,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:02:09,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:02:09,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:02:09,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:02:09,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:02:09,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:02:09,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:02:09,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:02:09,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:02:09,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:02:09,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:02:09,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:02:09,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:02:09,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:02:09,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:02:09,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:02:09,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:02:09,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:02:09,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:02:09,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:02:09,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:02:09,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:02:09,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:02:09,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:02:09,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:02:09,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:02:09,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:02:09,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:02:09,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:02:09,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:02:09,974 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:02:09,974 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:02:09,974 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:02:09,975 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:02:09,975 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:02:09,975 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:02:09,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:02:09,978 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:02:09,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:02:09,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:02:09,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:02:09,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:02:09,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:02:09,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:02:09,980 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:02:09,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:02:09,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:02:09,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:02:09,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:02:09,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:02:09,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:02:09,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:02:09,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:02:09,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:02:09,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:02:09,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:02:09,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:02:09,983 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:02:09,983 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:02:09,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:02:09,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:02:09,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:02:09,984 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_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 [2021-10-24 10:02:10,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:02:10,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:02:10,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:02:10,398 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:02:10,398 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:02:10,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-24 10:02:10,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data/9db89d6cd/d582e0fd665b45619e0fd3e95aadc326/FLAG0eedfda72 [2021-10-24 10:02:11,246 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:02:11,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-24 10:02:11,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data/9db89d6cd/d582e0fd665b45619e0fd3e95aadc326/FLAG0eedfda72 [2021-10-24 10:02:11,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/data/9db89d6cd/d582e0fd665b45619e0fd3e95aadc326 [2021-10-24 10:02:11,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:02:11,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:02:11,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:11,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:02:11,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:02:11,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:11" (1/1) ... [2021-10-24 10:02:11,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4278b4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:11, skipping insertion in model container [2021-10-24 10:02:11,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:11" (1/1) ... [2021-10-24 10:02:11,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:02:11,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:02:12,008 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_5fd3ec49-90c8-48bd-b75d-06e250377e74/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-10-24 10:02:12,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:12,038 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:02:12,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:02:12,150 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_5fd3ec49-90c8-48bd-b75d-06e250377e74/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-10-24 10:02:12,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:12,183 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:02:12,262 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_5fd3ec49-90c8-48bd-b75d-06e250377e74/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-10-24 10:02:12,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:12,296 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:02:12,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12 WrapperNode [2021-10-24 10:02:12,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:12,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:02:12,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:02:12,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:02:12,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:02:12,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:02:12,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:02:12,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:02:12,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:02:12,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:02:12,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:02:12,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:02:12,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (1/1) ... [2021-10-24 10:02:12,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:02:12,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:02:12,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:02:12,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:02:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:02:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:02:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:02:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:02:15,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:02:15,810 INFO L299 CfgBuilder]: Removed 290 assume(true) statements. [2021-10-24 10:02:15,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:02:15 BoogieIcfgContainer [2021-10-24 10:02:15,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:02:15,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:02:15,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:02:15,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:02:15,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:02:11" (1/3) ... [2021-10-24 10:02:15,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eab90dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:02:15, skipping insertion in model container [2021-10-24 10:02:15,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:12" (2/3) ... [2021-10-24 10:02:15,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eab90dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:02:15, skipping insertion in model container [2021-10-24 10:02:15,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:02:15" (3/3) ... [2021-10-24 10:02:15,832 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2021-10-24 10:02:15,839 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:02:15,839 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:02:15,909 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:02:15,916 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 [2021-10-24 10:02:15,917 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:02:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 194 states have (on average 1.5463917525773196) internal successors, (300), 197 states have internal predecessors, (300), 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) [2021-10-24 10:02:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:02:15,968 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:15,969 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:15,970 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:15,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:15,977 INFO L82 PathProgramCache]: Analyzing trace with hash -750612192, now seen corresponding path program 1 times [2021-10-24 10:02:15,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:15,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055748552] [2021-10-24 10:02:15,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:15,994 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:15,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:15,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:16,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:02:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:16,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:02:16,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:16,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:16,455 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:16,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055748552] [2021-10-24 10:02:16,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055748552] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:16,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:16,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:02:16,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130937701] [2021-10-24 10:02:16,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:02:16,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:16,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:02:16,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:02:16,494 INFO L87 Difference]: Start difference. First operand has 198 states, 194 states have (on average 1.5463917525773196) internal successors, (300), 197 states have internal predecessors, (300), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-24 10:02:16,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:16,547 INFO L93 Difference]: Finished difference Result 389 states and 592 transitions. [2021-10-24 10:02:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:02:16,549 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 [2021-10-24 10:02:16,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:16,567 INFO L225 Difference]: With dead ends: 389 [2021-10-24 10:02:16,570 INFO L226 Difference]: Without dead ends: 194 [2021-10-24 10:02:16,592 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:02:16,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-24 10:02:16,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-10-24 10:02:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 191 states have (on average 1.5078534031413613) internal successors, (288), 193 states have internal predecessors, (288), 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) [2021-10-24 10:02:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 288 transitions. [2021-10-24 10:02:16,693 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 288 transitions. Word has length 19 [2021-10-24 10:02:16,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:16,694 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 288 transitions. [2021-10-24 10:02:16,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-24 10:02:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 288 transitions. [2021-10-24 10:02:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 10:02:16,698 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:16,698 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:16,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:16,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:16,921 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:16,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:16,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1114380044, now seen corresponding path program 1 times [2021-10-24 10:02:16,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:16,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940558629] [2021-10-24 10:02:16,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:16,924 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:16,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:16,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:16,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:02:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:17,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:17,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:17,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:17,374 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:17,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940558629] [2021-10-24 10:02:17,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940558629] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:17,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:17,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:02:17,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502753548] [2021-10-24 10:02:17,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:02:17,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:17,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:02:17,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:17,385 INFO L87 Difference]: Start difference. First operand 194 states and 288 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-24 10:02:17,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:17,437 INFO L93 Difference]: Finished difference Result 194 states and 288 transitions. [2021-10-24 10:02:17,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:02:17,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 20 [2021-10-24 10:02:17,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:17,440 INFO L225 Difference]: With dead ends: 194 [2021-10-24 10:02:17,440 INFO L226 Difference]: Without dead ends: 75 [2021-10-24 10:02:17,442 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:17,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-24 10:02:17,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-24 10:02:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 74 states have internal predecessors, (110), 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) [2021-10-24 10:02:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2021-10-24 10:02:17,449 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 20 [2021-10-24 10:02:17,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:17,449 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2021-10-24 10:02:17,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-24 10:02:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2021-10-24 10:02:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:02:17,451 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:17,451 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:17,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:17,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:17,662 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:17,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:17,663 INFO L82 PathProgramCache]: Analyzing trace with hash 298878360, now seen corresponding path program 1 times [2021-10-24 10:02:17,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:17,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778071473] [2021-10-24 10:02:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:17,664 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:17,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:17,666 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:17,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:02:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:17,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:17,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:18,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:18,182 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:18,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778071473] [2021-10-24 10:02:18,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778071473] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:18,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:18,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:02:18,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204278835] [2021-10-24 10:02:18,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:02:18,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:18,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:02:18,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:18,187 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:18,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:18,200 INFO L93 Difference]: Finished difference Result 143 states and 213 transitions. [2021-10-24 10:02:18,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:02:18,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:02:18,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:18,202 INFO L225 Difference]: With dead ends: 143 [2021-10-24 10:02:18,202 INFO L226 Difference]: Without dead ends: 75 [2021-10-24 10:02:18,203 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:18,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-24 10:02:18,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-24 10:02:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 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) [2021-10-24 10:02:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2021-10-24 10:02:18,212 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2021-10-24 10:02:18,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:18,212 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2021-10-24 10:02:18,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-10-24 10:02:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-24 10:02:18,214 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:18,215 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:18,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:18,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:18,435 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:18,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:18,436 INFO L82 PathProgramCache]: Analyzing trace with hash -149422890, now seen corresponding path program 1 times [2021-10-24 10:02:18,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:18,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140068037] [2021-10-24 10:02:18,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:18,438 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:18,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:18,439 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:18,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:02:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:18,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:18,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:18,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:18,945 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:18,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140068037] [2021-10-24 10:02:18,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140068037] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:18,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:18,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:02:18,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116485944] [2021-10-24 10:02:18,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:02:18,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:18,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:02:18,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:02:18,948 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:19,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:19,030 INFO L93 Difference]: Finished difference Result 155 states and 227 transitions. [2021-10-24 10:02:19,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:02:19,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-24 10:02:19,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:19,033 INFO L225 Difference]: With dead ends: 155 [2021-10-24 10:02:19,034 INFO L226 Difference]: Without dead ends: 87 [2021-10-24 10:02:19,035 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:02:19,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-24 10:02:19,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2021-10-24 10:02:19,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 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) [2021-10-24 10:02:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 119 transitions. [2021-10-24 10:02:19,051 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 119 transitions. Word has length 29 [2021-10-24 10:02:19,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:19,052 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 119 transitions. [2021-10-24 10:02:19,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2021-10-24 10:02:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:02:19,059 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:19,059 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:19,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:19,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:19,274 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:19,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:19,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1951483845, now seen corresponding path program 1 times [2021-10-24 10:02:19,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:19,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253452804] [2021-10-24 10:02:19,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:19,277 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:19,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:19,278 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:19,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:02:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:19,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:02:19,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:19,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:19,805 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:19,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253452804] [2021-10-24 10:02:19,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253452804] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:19,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:19,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:02:19,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663263744] [2021-10-24 10:02:19,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:02:19,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:19,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:02:19,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:02:19,808 INFO L87 Difference]: Start difference. First operand 85 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-24 10:02:19,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:19,940 INFO L93 Difference]: Finished difference Result 223 states and 310 transitions. [2021-10-24 10:02:19,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:02:19,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-10-24 10:02:19,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:19,944 INFO L225 Difference]: With dead ends: 223 [2021-10-24 10:02:19,944 INFO L226 Difference]: Without dead ends: 145 [2021-10-24 10:02:19,946 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:02:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-24 10:02:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 94. [2021-10-24 10:02:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 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) [2021-10-24 10:02:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2021-10-24 10:02:19,980 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 35 [2021-10-24 10:02:19,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:19,981 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2021-10-24 10:02:19,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-24 10:02:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2021-10-24 10:02:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:02:19,986 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:19,987 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:19,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:20,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:20,194 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:20,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:20,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1410019742, now seen corresponding path program 1 times [2021-10-24 10:02:20,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:20,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029723468] [2021-10-24 10:02:20,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:20,196 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:20,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:20,197 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:20,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:02:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:20,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:02:20,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:20,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:20,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:20,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:20,778 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:20,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029723468] [2021-10-24 10:02:20,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029723468] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:20,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:20,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:02:20,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230556900] [2021-10-24 10:02:20,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:02:20,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:20,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:02:20,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:02:20,784 INFO L87 Difference]: Start difference. First operand 94 states and 128 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-24 10:02:20,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:20,995 INFO L93 Difference]: Finished difference Result 313 states and 429 transitions. [2021-10-24 10:02:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:02:20,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-10-24 10:02:20,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:20,998 INFO L225 Difference]: With dead ends: 313 [2021-10-24 10:02:20,998 INFO L226 Difference]: Without dead ends: 226 [2021-10-24 10:02:20,999 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 57.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:02:21,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-24 10:02:21,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 93. [2021-10-24 10:02:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 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) [2021-10-24 10:02:21,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 125 transitions. [2021-10-24 10:02:21,013 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 125 transitions. Word has length 35 [2021-10-24 10:02:21,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:21,014 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 125 transitions. [2021-10-24 10:02:21,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-24 10:02:21,014 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2021-10-24 10:02:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:02:21,015 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:21,015 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:21,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:21,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:21,231 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:21,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:21,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1642418873, now seen corresponding path program 1 times [2021-10-24 10:02:21,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:21,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225542186] [2021-10-24 10:02:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:21,233 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:21,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:21,234 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:21,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:02:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:21,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:02:21,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:21,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:21,824 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:21,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225542186] [2021-10-24 10:02:21,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225542186] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:21,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:21,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:02:21,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720067095] [2021-10-24 10:02:21,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:02:21,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:21,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:02:21,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:02:21,827 INFO L87 Difference]: Start difference. First operand 93 states and 125 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-10-24 10:02:21,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:21,908 INFO L93 Difference]: Finished difference Result 240 states and 321 transitions. [2021-10-24 10:02:21,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:02:21,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 35 [2021-10-24 10:02:21,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:21,910 INFO L225 Difference]: With dead ends: 240 [2021-10-24 10:02:21,910 INFO L226 Difference]: Without dead ends: 154 [2021-10-24 10:02:21,911 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 32.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:02:21,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-10-24 10:02:21,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 99. [2021-10-24 10:02:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.336734693877551) internal successors, (131), 98 states have internal predecessors, (131), 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) [2021-10-24 10:02:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 131 transitions. [2021-10-24 10:02:21,923 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 131 transitions. Word has length 35 [2021-10-24 10:02:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:21,923 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 131 transitions. [2021-10-24 10:02:21,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-10-24 10:02:21,924 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2021-10-24 10:02:21,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:02:21,924 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:21,925 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:21,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:22,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:22,138 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:22,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:22,139 INFO L82 PathProgramCache]: Analyzing trace with hash 2065742409, now seen corresponding path program 1 times [2021-10-24 10:02:22,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:22,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688754178] [2021-10-24 10:02:22,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:22,140 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:22,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:22,141 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:22,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:02:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:22,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:22,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:22,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:22,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:22,753 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:22,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688754178] [2021-10-24 10:02:22,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688754178] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:22,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:22,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:02:22,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990082714] [2021-10-24 10:02:22,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:02:22,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:22,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:02:22,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:22,756 INFO L87 Difference]: Start difference. First operand 99 states and 131 transitions. Second operand has 4 states, 4 states have (on average 14.5) 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) [2021-10-24 10:02:22,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:22,853 INFO L93 Difference]: Finished difference Result 291 states and 389 transitions. [2021-10-24 10:02:22,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:02:22,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) 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 35 [2021-10-24 10:02:22,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:22,857 INFO L225 Difference]: With dead ends: 291 [2021-10-24 10:02:22,858 INFO L226 Difference]: Without dead ends: 199 [2021-10-24 10:02:22,859 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:22,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-10-24 10:02:22,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 168. [2021-10-24 10:02:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.3293413173652695) internal successors, (222), 167 states have internal predecessors, (222), 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) [2021-10-24 10:02:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2021-10-24 10:02:22,887 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 222 transitions. Word has length 35 [2021-10-24 10:02:22,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:22,888 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 222 transitions. [2021-10-24 10:02:22,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) 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) [2021-10-24 10:02:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2021-10-24 10:02:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:02:22,889 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:22,889 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:22,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:23,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:23,105 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:23,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:23,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1741083913, now seen corresponding path program 1 times [2021-10-24 10:02:23,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:23,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779072570] [2021-10-24 10:02:23,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:23,106 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:23,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:23,107 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:23,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:02:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:23,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:02:23,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:23,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:23,809 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:23,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779072570] [2021-10-24 10:02:23,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1779072570] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:23,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:23,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:02:23,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465616331] [2021-10-24 10:02:23,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:02:23,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:23,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:02:23,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:02:23,812 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. Second operand has 6 states, 6 states have (on average 6.0) 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) [2021-10-24 10:02:25,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:25,793 INFO L93 Difference]: Finished difference Result 809 states and 1078 transitions. [2021-10-24 10:02:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:02:25,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) 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 [2021-10-24 10:02:25,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:25,799 INFO L225 Difference]: With dead ends: 809 [2021-10-24 10:02:25,799 INFO L226 Difference]: Without dead ends: 648 [2021-10-24 10:02:25,800 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 86.1ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:02:25,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2021-10-24 10:02:25,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 291. [2021-10-24 10:02:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.306896551724138) internal successors, (379), 290 states have internal predecessors, (379), 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) [2021-10-24 10:02:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 379 transitions. [2021-10-24 10:02:25,848 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 379 transitions. Word has length 36 [2021-10-24 10:02:25,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:25,848 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 379 transitions. [2021-10-24 10:02:25,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) 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) [2021-10-24 10:02:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 379 transitions. [2021-10-24 10:02:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 10:02:25,850 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:25,850 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:25,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:26,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:26,066 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:26,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:26,067 INFO L82 PathProgramCache]: Analyzing trace with hash -905921982, now seen corresponding path program 1 times [2021-10-24 10:02:26,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:26,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088706855] [2021-10-24 10:02:26,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:26,068 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:26,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:26,069 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:26,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:02:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:26,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:02:26,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:02:26,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:02:26,767 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:26,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088706855] [2021-10-24 10:02:26,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088706855] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:26,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:26,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:02:26,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301325767] [2021-10-24 10:02:26,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:02:26,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:26,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:02:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:02:26,770 INFO L87 Difference]: Start difference. First operand 291 states and 379 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 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) [2021-10-24 10:02:26,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:26,951 INFO L93 Difference]: Finished difference Result 935 states and 1217 transitions. [2021-10-24 10:02:26,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:02:26,952 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 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 63 [2021-10-24 10:02:26,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:26,958 INFO L225 Difference]: With dead ends: 935 [2021-10-24 10:02:26,959 INFO L226 Difference]: Without dead ends: 651 [2021-10-24 10:02:26,961 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 68.8ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:02:26,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2021-10-24 10:02:27,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 300. [2021-10-24 10:02:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2976588628762542) internal successors, (388), 299 states have internal predecessors, (388), 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) [2021-10-24 10:02:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 388 transitions. [2021-10-24 10:02:27,036 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 388 transitions. Word has length 63 [2021-10-24 10:02:27,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:27,036 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 388 transitions. [2021-10-24 10:02:27,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 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) [2021-10-24 10:02:27,037 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 388 transitions. [2021-10-24 10:02:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 10:02:27,039 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:27,039 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:27,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:27,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:27,254 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:27,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:27,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1164087420, now seen corresponding path program 1 times [2021-10-24 10:02:27,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:27,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617497406] [2021-10-24 10:02:27,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:27,255 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:27,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:27,256 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:27,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 10:02:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:27,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:02:27,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 10:02:27,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 10:02:28,232 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:28,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617497406] [2021-10-24 10:02:28,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1617497406] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:02:28,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1292449641] [2021-10-24 10:02:28,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:28,233 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:02:28,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:02:28,235 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:02:28,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-24 10:02:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:28,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:02:28,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:29,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:29,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1292449641] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:02:29,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752799056] [2021-10-24 10:02:29,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:29,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:02:29,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:02:29,310 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:02:29,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-24 10:02:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:29,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:02:29,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:29,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:30,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752799056] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:02:30,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:02:30,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-24 10:02:30,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114830906] [2021-10-24 10:02:30,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-24 10:02:30,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:30,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-24 10:02:30,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-24 10:02:30,221 INFO L87 Difference]: Start difference. First operand 300 states and 388 transitions. Second operand has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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) [2021-10-24 10:02:40,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:40,274 INFO L93 Difference]: Finished difference Result 561 states and 732 transitions. [2021-10-24 10:02:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-24 10:02:40,276 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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 63 [2021-10-24 10:02:40,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:40,276 INFO L225 Difference]: With dead ends: 561 [2021-10-24 10:02:40,276 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:02:40,277 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 556.4ms TimeCoverageRelationStatistics Valid=252, Invalid=804, Unknown=0, NotChecked=0, Total=1056 [2021-10-24 10:02:40,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:02:40,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:02:40,278 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) [2021-10-24 10:02:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:02:40,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-24 10:02:40,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:40,278 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:02:40,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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) [2021-10-24 10:02:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:02:40,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:02:40,281 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:02:40,281 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:02:40,281 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:02:40,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:40,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:40,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:40,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:02:40,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:02:40,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:40,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:40,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:40,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:41,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:42,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:02:46,151 INFO L853 garLoopResultBuilder]: At program point L960(lines 955 963) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:02:46,152 INFO L853 garLoopResultBuilder]: At program point L960-1(lines 955 963) the Hoare annotation is: false [2021-10-24 10:02:46,152 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 901) no Hoare annotation was computed. [2021-10-24 10:02:46,152 INFO L853 garLoopResultBuilder]: At program point L960-2(lines 955 963) the Hoare annotation is: false [2021-10-24 10:02:46,152 INFO L860 garLoopResultBuilder]: At program point L894-1(lines 894 901) the Hoare annotation is: true [2021-10-24 10:02:46,152 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-10-24 10:02:46,152 INFO L853 garLoopResultBuilder]: At program point L630(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,153 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,153 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,153 INFO L853 garLoopResultBuilder]: At program point L630-3(lines 615 633) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-24 10:02:46,153 INFO L853 garLoopResultBuilder]: At program point L630-4(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,153 INFO L853 garLoopResultBuilder]: At program point L630-5(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,153 INFO L853 garLoopResultBuilder]: At program point L630-6(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,154 INFO L853 garLoopResultBuilder]: At program point L630-7(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,154 INFO L853 garLoopResultBuilder]: At program point L630-8(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,154 INFO L853 garLoopResultBuilder]: At program point L630-9(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,154 INFO L853 garLoopResultBuilder]: At program point L630-10(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,154 INFO L853 garLoopResultBuilder]: At program point L630-11(lines 615 633) the Hoare annotation is: false [2021-10-24 10:02:46,155 INFO L853 garLoopResultBuilder]: At program point L566(lines 559 569) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:02:46,155 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 559 569) the Hoare annotation is: false [2021-10-24 10:02:46,155 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 508) no Hoare annotation was computed. [2021-10-24 10:02:46,155 INFO L853 garLoopResultBuilder]: At program point L566-2(lines 559 569) the Hoare annotation is: false [2021-10-24 10:02:46,155 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 500 508) no Hoare annotation was computed. [2021-10-24 10:02:46,155 INFO L857 garLoopResultBuilder]: For program point L500-2(lines 500 508) no Hoare annotation was computed. [2021-10-24 10:02:46,156 INFO L857 garLoopResultBuilder]: For program point L500-3(lines 500 508) no Hoare annotation was computed. [2021-10-24 10:02:46,156 INFO L857 garLoopResultBuilder]: For program point L500-4(lines 500 508) no Hoare annotation was computed. [2021-10-24 10:02:46,156 INFO L857 garLoopResultBuilder]: For program point L500-5(lines 500 508) no Hoare annotation was computed. [2021-10-24 10:02:46,156 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,156 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,156 INFO L857 garLoopResultBuilder]: For program point L470-2(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,157 INFO L857 garLoopResultBuilder]: For program point L470-3(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,157 INFO L857 garLoopResultBuilder]: For program point L470-4(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,157 INFO L857 garLoopResultBuilder]: For program point L470-5(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,157 INFO L857 garLoopResultBuilder]: For program point L470-6(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,157 INFO L857 garLoopResultBuilder]: For program point L470-7(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,157 INFO L857 garLoopResultBuilder]: For program point L470-8(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,158 INFO L857 garLoopResultBuilder]: For program point L470-9(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,158 INFO L857 garLoopResultBuilder]: For program point L470-10(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,158 INFO L857 garLoopResultBuilder]: For program point L470-11(lines 470 487) no Hoare annotation was computed. [2021-10-24 10:02:46,158 INFO L853 garLoopResultBuilder]: At program point L768(lines 763 770) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:02:46,158 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 746) no Hoare annotation was computed. [2021-10-24 10:02:46,158 INFO L853 garLoopResultBuilder]: At program point L438(lines 434 456) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-24 10:02:46,159 INFO L853 garLoopResultBuilder]: At program point L438-1(lines 434 456) the Hoare annotation is: false [2021-10-24 10:02:46,159 INFO L853 garLoopResultBuilder]: At program point L438-2(lines 434 456) the Hoare annotation is: false [2021-10-24 10:02:46,159 INFO L857 garLoopResultBuilder]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,159 INFO L857 garLoopResultBuilder]: For program point L1000-1(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,159 INFO L857 garLoopResultBuilder]: For program point L1000-2(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,159 INFO L857 garLoopResultBuilder]: For program point L1000-3(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,160 INFO L857 garLoopResultBuilder]: For program point L1000-4(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,160 INFO L857 garLoopResultBuilder]: For program point L1000-5(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,160 INFO L857 garLoopResultBuilder]: For program point L1000-6(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,160 INFO L857 garLoopResultBuilder]: For program point L1000-7(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,160 INFO L857 garLoopResultBuilder]: For program point L1000-8(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,160 INFO L857 garLoopResultBuilder]: For program point L1000-9(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,161 INFO L857 garLoopResultBuilder]: For program point L1000-10(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,161 INFO L857 garLoopResultBuilder]: For program point L1000-11(lines 1000 1006) no Hoare annotation was computed. [2021-10-24 10:02:46,161 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-10-24 10:02:46,161 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 939) no Hoare annotation was computed. [2021-10-24 10:02:46,161 INFO L860 garLoopResultBuilder]: At program point L903(lines 884 906) the Hoare annotation is: true [2021-10-24 10:02:46,161 INFO L853 garLoopResultBuilder]: At program point L870(lines 866 872) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:02:46,162 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,162 INFO L857 garLoopResultBuilder]: For program point L474-1(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,162 INFO L857 garLoopResultBuilder]: For program point L474-2(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,162 INFO L857 garLoopResultBuilder]: For program point L474-3(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,162 INFO L857 garLoopResultBuilder]: For program point L474-4(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,162 INFO L857 garLoopResultBuilder]: For program point L474-5(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,163 INFO L857 garLoopResultBuilder]: For program point L474-6(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,163 INFO L857 garLoopResultBuilder]: For program point L474-7(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,163 INFO L857 garLoopResultBuilder]: For program point L474-8(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,163 INFO L857 garLoopResultBuilder]: For program point L474-9(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,163 INFO L857 garLoopResultBuilder]: For program point L474-10(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,163 INFO L857 garLoopResultBuilder]: For program point L474-11(lines 474 482) no Hoare annotation was computed. [2021-10-24 10:02:46,164 INFO L857 garLoopResultBuilder]: For program point L706(lines 705 750) no Hoare annotation was computed. [2021-10-24 10:02:46,164 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-10-24 10:02:46,164 INFO L853 garLoopResultBuilder]: At program point L575(lines 570 578) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-24 10:02:46,164 INFO L853 garLoopResultBuilder]: At program point L575-1(lines 570 578) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:02:46,164 INFO L853 garLoopResultBuilder]: At program point L575-2(lines 570 578) the Hoare annotation is: false [2021-10-24 10:02:46,164 INFO L853 garLoopResultBuilder]: At program point L575-3(lines 570 578) the Hoare annotation is: false [2021-10-24 10:02:46,165 INFO L853 garLoopResultBuilder]: At program point L575-4(lines 570 578) the Hoare annotation is: false [2021-10-24 10:02:46,165 INFO L853 garLoopResultBuilder]: At program point L575-5(lines 570 578) the Hoare annotation is: false [2021-10-24 10:02:46,165 INFO L853 garLoopResultBuilder]: At program point L1005(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,165 INFO L853 garLoopResultBuilder]: At program point L1005-1(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,165 INFO L853 garLoopResultBuilder]: At program point L1005-2(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,165 INFO L853 garLoopResultBuilder]: At program point L1005-3(lines 996 1009) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-24 10:02:46,166 INFO L853 garLoopResultBuilder]: At program point L1005-4(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,166 INFO L853 garLoopResultBuilder]: At program point L1005-5(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,166 INFO L853 garLoopResultBuilder]: At program point L1005-6(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,166 INFO L853 garLoopResultBuilder]: At program point L1005-7(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,166 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed. [2021-10-24 10:02:46,166 INFO L853 garLoopResultBuilder]: At program point L1005-8(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,167 INFO L853 garLoopResultBuilder]: At program point L1005-9(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,167 INFO L857 garLoopResultBuilder]: For program point L741-2(lines 735 746) no Hoare annotation was computed. [2021-10-24 10:02:46,167 INFO L853 garLoopResultBuilder]: At program point L1005-10(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,167 INFO L853 garLoopResultBuilder]: At program point L1005-11(lines 996 1009) the Hoare annotation is: false [2021-10-24 10:02:46,167 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,167 INFO L857 garLoopResultBuilder]: For program point L643-2(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,168 INFO L857 garLoopResultBuilder]: For program point L643-3(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,168 INFO L857 garLoopResultBuilder]: For program point L643-5(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,168 INFO L853 garLoopResultBuilder]: At program point L445(lines 445 451) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-24 10:02:46,168 INFO L857 garLoopResultBuilder]: For program point L643-6(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,168 INFO L853 garLoopResultBuilder]: At program point L445-1(lines 445 451) the Hoare annotation is: false [2021-10-24 10:02:46,169 INFO L857 garLoopResultBuilder]: For program point L643-8(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,169 INFO L853 garLoopResultBuilder]: At program point L445-2(lines 445 451) the Hoare annotation is: false [2021-10-24 10:02:46,169 INFO L857 garLoopResultBuilder]: For program point L643-9(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,169 INFO L857 garLoopResultBuilder]: For program point L643-11(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,169 INFO L857 garLoopResultBuilder]: For program point L643-12(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,169 INFO L857 garLoopResultBuilder]: For program point L643-14(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,170 INFO L857 garLoopResultBuilder]: For program point L643-15(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,170 INFO L857 garLoopResultBuilder]: For program point L643-17(lines 643 647) no Hoare annotation was computed. [2021-10-24 10:02:46,170 INFO L853 garLoopResultBuilder]: At program point L778(lines 438 444) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-24 10:02:46,170 INFO L853 garLoopResultBuilder]: At program point L778-1(lines 438 444) the Hoare annotation is: false [2021-10-24 10:02:46,170 INFO L853 garLoopResultBuilder]: At program point L778-2(lines 438 444) the Hoare annotation is: false [2021-10-24 10:02:46,170 INFO L853 garLoopResultBuilder]: At program point L679(lines 1 1018) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:02:46,171 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:02:46,171 INFO L857 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2021-10-24 10:02:46,171 INFO L857 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2021-10-24 10:02:46,171 INFO L857 garLoopResultBuilder]: For program point L912-2(line 912) no Hoare annotation was computed. [2021-10-24 10:02:46,171 INFO L857 garLoopResultBuilder]: For program point L715(lines 715 721) no Hoare annotation was computed. [2021-10-24 10:02:46,171 INFO L853 garLoopResultBuilder]: At program point L715-1(lines 715 721) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-24 10:02:46,172 INFO L853 garLoopResultBuilder]: At program point L649(lines 634 652) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~7 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:02:46,172 INFO L853 garLoopResultBuilder]: At program point L649-1(lines 634 652) the Hoare annotation is: false [2021-10-24 10:02:46,172 INFO L853 garLoopResultBuilder]: At program point L649-2(lines 634 652) the Hoare annotation is: false [2021-10-24 10:02:46,172 INFO L853 garLoopResultBuilder]: At program point L649-3(lines 634 652) the Hoare annotation is: false [2021-10-24 10:02:46,172 INFO L853 garLoopResultBuilder]: At program point L649-4(lines 634 652) the Hoare annotation is: false [2021-10-24 10:02:46,173 INFO L853 garLoopResultBuilder]: At program point L649-5(lines 634 652) the Hoare annotation is: false [2021-10-24 10:02:46,173 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2021-10-24 10:02:46,173 INFO L853 garLoopResultBuilder]: At program point L1015(lines 1010 1018) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:02:46,173 INFO L853 garLoopResultBuilder]: At program point L1015-1(lines 1010 1018) the Hoare annotation is: false [2021-10-24 10:02:46,173 INFO L853 garLoopResultBuilder]: At program point L1015-2(lines 1010 1018) the Hoare annotation is: false [2021-10-24 10:02:46,173 INFO L853 garLoopResultBuilder]: At program point L1015-3(lines 1010 1018) the Hoare annotation is: false [2021-10-24 10:02:46,174 INFO L853 garLoopResultBuilder]: At program point L1015-4(lines 1010 1018) the Hoare annotation is: false [2021-10-24 10:02:46,174 INFO L853 garLoopResultBuilder]: At program point L1015-5(lines 1010 1018) the Hoare annotation is: false [2021-10-24 10:02:46,174 INFO L853 garLoopResultBuilder]: At program point L751(lines 704 752) the Hoare annotation is: false [2021-10-24 10:02:46,174 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:02:46,174 INFO L853 garLoopResultBuilder]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:02:46,174 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 539) no Hoare annotation was computed. [2021-10-24 10:02:46,175 INFO L857 garLoopResultBuilder]: For program point L522-1(lines 522 539) no Hoare annotation was computed. [2021-10-24 10:02:46,175 INFO L857 garLoopResultBuilder]: For program point L522-2(lines 522 539) no Hoare annotation was computed. [2021-10-24 10:02:46,175 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:02:46,175 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2021-10-24 10:02:46,175 INFO L853 garLoopResultBuilder]: At program point L789-1(lines 1 1018) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-24 10:02:46,175 INFO L853 garLoopResultBuilder]: At program point L822-2(lines 822 836) the Hoare annotation is: false [2021-10-24 10:02:46,176 INFO L857 garLoopResultBuilder]: For program point L789-2(lines 789 806) no Hoare annotation was computed. [2021-10-24 10:02:46,176 INFO L853 garLoopResultBuilder]: At program point L789-3(lines 1 1018) the Hoare annotation is: false [2021-10-24 10:02:46,176 INFO L857 garLoopResultBuilder]: For program point L789-4(lines 789 806) no Hoare annotation was computed. [2021-10-24 10:02:46,176 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,176 INFO L853 garLoopResultBuilder]: At program point L789-5(lines 1 1018) the Hoare annotation is: false [2021-10-24 10:02:46,176 INFO L857 garLoopResultBuilder]: For program point L624-2(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,176 INFO L857 garLoopResultBuilder]: For program point L624-3(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,177 INFO L857 garLoopResultBuilder]: For program point L624-5(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,177 INFO L857 garLoopResultBuilder]: For program point L624-6(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,177 INFO L857 garLoopResultBuilder]: For program point L624-8(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,177 INFO L857 garLoopResultBuilder]: For program point L624-9(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,177 INFO L857 garLoopResultBuilder]: For program point L624-11(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,177 INFO L857 garLoopResultBuilder]: For program point L624-12(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,178 INFO L857 garLoopResultBuilder]: For program point L624-14(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,178 INFO L857 garLoopResultBuilder]: For program point L624-15(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,178 INFO L857 garLoopResultBuilder]: For program point L624-17(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,178 INFO L857 garLoopResultBuilder]: For program point L624-18(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,178 INFO L857 garLoopResultBuilder]: For program point L624-20(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,178 INFO L857 garLoopResultBuilder]: For program point L624-21(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,178 INFO L857 garLoopResultBuilder]: For program point L624-23(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,179 INFO L857 garLoopResultBuilder]: For program point L624-24(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,179 INFO L857 garLoopResultBuilder]: For program point L823(line 823) no Hoare annotation was computed. [2021-10-24 10:02:46,179 INFO L857 garLoopResultBuilder]: For program point L624-26(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,179 INFO L857 garLoopResultBuilder]: For program point L624-27(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,179 INFO L857 garLoopResultBuilder]: For program point L624-29(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,179 INFO L857 garLoopResultBuilder]: For program point L624-30(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,180 INFO L857 garLoopResultBuilder]: For program point L624-32(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,180 INFO L857 garLoopResultBuilder]: For program point L624-33(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,180 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 534) no Hoare annotation was computed. [2021-10-24 10:02:46,180 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 526 534) no Hoare annotation was computed. [2021-10-24 10:02:46,180 INFO L857 garLoopResultBuilder]: For program point L624-35(lines 624 628) no Hoare annotation was computed. [2021-10-24 10:02:46,180 INFO L857 garLoopResultBuilder]: For program point L526-2(lines 526 534) no Hoare annotation was computed. [2021-10-24 10:02:46,181 INFO L857 garLoopResultBuilder]: For program point L923(lines 923 927) no Hoare annotation was computed. [2021-10-24 10:02:46,181 INFO L857 garLoopResultBuilder]: For program point L923-3(lines 923 927) no Hoare annotation was computed. [2021-10-24 10:02:46,181 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 731) no Hoare annotation was computed. [2021-10-24 10:02:46,181 INFO L857 garLoopResultBuilder]: For program point L923-6(lines 923 927) no Hoare annotation was computed. [2021-10-24 10:02:46,181 INFO L853 garLoopResultBuilder]: At program point L725-1(lines 725 731) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-24 10:02:46,181 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:02:46,182 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-10-24 10:02:46,182 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 830) no Hoare annotation was computed. [2021-10-24 10:02:46,182 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 803) no Hoare annotation was computed. [2021-10-24 10:02:46,182 INFO L857 garLoopResultBuilder]: For program point L826-1(lines 826 830) no Hoare annotation was computed. [2021-10-24 10:02:46,182 INFO L857 garLoopResultBuilder]: For program point L793-2(lines 793 803) no Hoare annotation was computed. [2021-10-24 10:02:46,182 INFO L857 garLoopResultBuilder]: For program point L793-4(lines 793 803) no Hoare annotation was computed. [2021-10-24 10:02:46,183 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 513) no Hoare annotation was computed. [2021-10-24 10:02:46,183 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 496 513) no Hoare annotation was computed. [2021-10-24 10:02:46,183 INFO L857 garLoopResultBuilder]: For program point L496-2(lines 496 513) no Hoare annotation was computed. [2021-10-24 10:02:46,183 INFO L857 garLoopResultBuilder]: For program point L496-3(lines 496 513) no Hoare annotation was computed. [2021-10-24 10:02:46,183 INFO L857 garLoopResultBuilder]: For program point L496-4(lines 496 513) no Hoare annotation was computed. [2021-10-24 10:02:46,183 INFO L857 garLoopResultBuilder]: For program point L496-5(lines 496 513) no Hoare annotation was computed. [2021-10-24 10:02:46,184 INFO L853 garLoopResultBuilder]: At program point L992(lines 987 995) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-24 10:02:46,184 INFO L853 garLoopResultBuilder]: At program point L992-1(lines 987 995) the Hoare annotation is: false [2021-10-24 10:02:46,184 INFO L853 garLoopResultBuilder]: At program point L992-2(lines 987 995) the Hoare annotation is: false [2021-10-24 10:02:46,184 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2021-10-24 10:02:46,184 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 800) no Hoare annotation was computed. [2021-10-24 10:02:46,184 INFO L857 garLoopResultBuilder]: For program point L794-4(lines 794 800) no Hoare annotation was computed. [2021-10-24 10:02:46,189 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:02:46,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:02:46 BoogieIcfgContainer [2021-10-24 10:02:46,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:02:46,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:02:46,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:02:46,227 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:02:46,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:02:15" (3/4) ... [2021-10-24 10:02:46,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:02:46,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:02:46,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:02:46,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:02:46,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:02:46,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:02:46,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:02:46,286 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:02:46,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:02:46,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:02:46,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) [2021-10-24 10:02:46,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:02:46,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:02:46,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-24 10:02:46,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-24 10:02:46,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:02:46,325 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:02:46,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:02:46,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-24 10:02:46,330 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result [2021-10-24 10:02:46,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:02:46,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:02:46,432 INFO L168 Benchmark]: Toolchain (without parser) took 34888.60 ms. Allocated memory was 69.2 MB in the beginning and 144.7 MB in the end (delta: 75.5 MB). Free memory was 48.2 MB in the beginning and 40.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 83.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:46,432 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:02:46,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.43 ms. Allocated memory is still 69.2 MB. Free memory was 47.9 MB in the beginning and 35.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:46,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.54 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 50.2 MB in the end (delta: -14.3 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:46,434 INFO L168 Benchmark]: Boogie Preprocessor took 128.91 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 46.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:46,434 INFO L168 Benchmark]: RCFGBuilder took 3269.05 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 46.3 MB in the beginning and 66.8 MB in the end (delta: -20.5 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:46,435 INFO L168 Benchmark]: TraceAbstraction took 30411.20 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 66.1 MB in the beginning and 56.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 75.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:46,435 INFO L168 Benchmark]: Witness Printer took 203.15 ms. Allocated memory is still 144.7 MB. Free memory was 56.1 MB in the beginning and 40.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:46,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 753.43 ms. Allocated memory is still 69.2 MB. Free memory was 47.9 MB in the beginning and 35.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.54 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 50.2 MB in the end (delta: -14.3 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 128.91 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 46.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3269.05 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 46.3 MB in the beginning and 66.8 MB in the end (delta: -20.5 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30411.20 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 66.1 MB in the beginning and 56.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 75.3 MB. Max. memory is 16.1 GB. * Witness Printer took 203.15 ms. Allocated memory is still 144.7 MB. Free memory was 56.1 MB in the beginning and 40.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 912]: 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, 198 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 30283.5ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 53.2ms, AutomataDifference: 13074.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5268.5ms, InitialAbstractionConstructionTime: 20.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1607 SDtfs, 2148 SDslu, 3631 SDs, 0 SdLazy, 580 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11566.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1075 GetRequests, 1003 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 870.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=10, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 322.4ms AutomataMinimizationTime, 11 MinimizatonAttempts, 980 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 73 LocationsWithAnnotation, 73 PreInvPairs, 171 NumberOfFragments, 633 HoareAnnotationTreeSize, 73 FomulaSimplifications, 446672 FormulaSimplificationTreeSizeReduction, 1301.9ms HoareSimplificationTime, 73 FomulaSimplificationsInter, 79331 FormulaSimplificationTreeSizeReductionInter, 3947.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 325.4ms SsaConstructionTime, 1731.7ms SatisfiabilityAnalysisTime, 4491.6ms InterpolantComputationTime, 522 NumberOfCodeBlocks, 522 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1018 ConstructedInterpolants, 0 QuantifiedInterpolants, 2000 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2899 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 104/128 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: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-24 10:02:46,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd3ec49-90c8-48bd-b75d-06e250377e74/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...