./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs --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 4643c1b30687c87001eba09acb1b708f6c904b5b ............................................................................................................................................ 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_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs --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 4643c1b30687c87001eba09acb1b708f6c904b5b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:45:14,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:45:14,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:45:14,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:45:14,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:45:14,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:45:14,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:45:14,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:45:14,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:45:14,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:45:14,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:45:14,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:45:14,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:45:14,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:45:14,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:45:14,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:45:14,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:45:14,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:45:14,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:45:14,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:45:14,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:45:14,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:45:14,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:45:14,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:45:14,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:45:14,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:45:14,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:45:14,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:45:14,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:45:14,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:45:14,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:45:14,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:45:14,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:45:14,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:45:14,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:45:14,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:45:14,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:45:14,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:45:14,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:45:14,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:45:14,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:45:14,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:45:14,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:45:14,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:45:14,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:45:14,880 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:45:14,881 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:45:14,881 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:45:14,882 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:45:14,882 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:45:14,883 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:45:14,883 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:45:14,883 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:45:14,884 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:45:14,884 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:45:14,885 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:45:14,885 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:45:14,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:45:14,887 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:45:14,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:45:14,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:45:14,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:45:14,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:45:14,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:45:14,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:45:14,890 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:45:14,890 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:45:14,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:45:14,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:45:14,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:45:14,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:45:14,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:45:14,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:45:14,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:45:14,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:45:14,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:45:14,895 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:45:14,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:45:14,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:45:14,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:45:14,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:45:14,896 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_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4643c1b30687c87001eba09acb1b708f6c904b5b [2021-10-16 02:45:15,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:45:15,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:45:15,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:45:15,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:45:15,216 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:45:15,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-16 02:45:15,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data/c65281147/924684c35513467a9730f69a0edd4547/FLAG31018ff6d [2021-10-16 02:45:15,890 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:45:15,891 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-16 02:45:15,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data/c65281147/924684c35513467a9730f69a0edd4547/FLAG31018ff6d [2021-10-16 02:45:16,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data/c65281147/924684c35513467a9730f69a0edd4547 [2021-10-16 02:45:16,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:45:16,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:45:16,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:45:16,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:45:16,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:45:16,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:16" (1/1) ... [2021-10-16 02:45:16,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a19c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:16, skipping insertion in model container [2021-10-16 02:45:16,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:16" (1/1) ... [2021-10-16 02:45:16,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:45:16,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:45:16,579 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_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-16 02:45:16,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:45:16,596 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) [2021-10-16 02:45:16,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@132b8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:16, skipping insertion in model container [2021-10-16 02:45:16,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:45:16,598 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:45:16,600 INFO L168 Benchmark]: Toolchain (without parser) took 432.14 ms. Allocated memory is still 107.0 MB. Free memory was 74.9 MB in the beginning and 79.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:16,601 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 107.0 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:45:16,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.14 ms. Allocated memory is still 107.0 MB. Free memory was 74.6 MB in the beginning and 79.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:16,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 107.0 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.14 ms. Allocated memory is still 107.0 MB. Free memory was 74.6 MB in the beginning and 79.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 644]: 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-5709675 [2021-10-16 02:45:19,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:45:19,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:45:19,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:45:19,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:45:19,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:45:19,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:45:19,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:45:19,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:45:19,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:45:19,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:45:19,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:45:19,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:45:19,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:45:19,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:45:19,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:45:19,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:45:19,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:45:19,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:45:19,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:45:19,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:45:19,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:45:19,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:45:19,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:45:19,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:45:19,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:45:19,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:45:19,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:45:19,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:45:19,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:45:19,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:45:19,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:45:19,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:45:19,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:45:19,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:45:19,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:45:19,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:45:19,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:45:19,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:45:19,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:45:19,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:45:19,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:45:19,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:45:19,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:45:19,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:45:19,438 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:45:19,438 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:45:19,439 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:45:19,439 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:45:19,439 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:45:19,439 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:45:19,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:45:19,442 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:45:19,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:45:19,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:45:19,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:45:19,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:45:19,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:45:19,444 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:45:19,444 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:45:19,445 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:45:19,445 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:45:19,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:45:19,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:45:19,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:45:19,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:45:19,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:45:19,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:45:19,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:45:19,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:45:19,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:45:19,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:45:19,448 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:45:19,448 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:45:19,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:45:19,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:45:19,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:45:19,450 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_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4643c1b30687c87001eba09acb1b708f6c904b5b [2021-10-16 02:45:19,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:45:19,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:45:19,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:45:19,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:45:19,912 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:45:19,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-16 02:45:19,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data/1ff6a5205/f918bedc2c08461eacbc034fe9a34302/FLAG41cb29184 [2021-10-16 02:45:20,675 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:45:20,675 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-16 02:45:20,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data/1ff6a5205/f918bedc2c08461eacbc034fe9a34302/FLAG41cb29184 [2021-10-16 02:45:20,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/data/1ff6a5205/f918bedc2c08461eacbc034fe9a34302 [2021-10-16 02:45:20,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:45:20,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:45:20,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:45:20,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:45:20,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:45:20,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:20" (1/1) ... [2021-10-16 02:45:20,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210a2cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:20, skipping insertion in model container [2021-10-16 02:45:20,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:20" (1/1) ... [2021-10-16 02:45:20,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:45:21,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:45:21,399 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_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-16 02:45:21,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:45:21,416 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:45:21,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:45:21,530 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_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-16 02:45:21,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:45:21,541 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:45:21,626 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_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-16 02:45:21,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:45:21,666 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:45:21,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21 WrapperNode [2021-10-16 02:45:21,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:45:21,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:45:21,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:45:21,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:45:21,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:45:21,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:45:21,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:45:21,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:45:21,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:45:21,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:45:21,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:45:21,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:45:21,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (1/1) ... [2021-10-16 02:45:21,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:45:21,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:45:21,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:45:21,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:45:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:45:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:45:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:45:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:45:25,281 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:45:25,281 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-16 02:45:25,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:25 BoogieIcfgContainer [2021-10-16 02:45:25,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:45:25,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:45:25,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:45:25,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:45:25,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:45:20" (1/3) ... [2021-10-16 02:45:25,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec5090d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:45:25, skipping insertion in model container [2021-10-16 02:45:25,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:21" (2/3) ... [2021-10-16 02:45:25,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec5090d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:45:25, skipping insertion in model container [2021-10-16 02:45:25,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:25" (3/3) ... [2021-10-16 02:45:25,293 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2021-10-16 02:45:25,299 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:45:25,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 02:45:25,352 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:45:25,360 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:45:25,360 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 02:45:25,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 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) [2021-10-16 02:45:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 02:45:25,406 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:25,407 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:45:25,408 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:25,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:25,420 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2021-10-16 02:45:25,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:25,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398901413] [2021-10-16 02:45:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:25,440 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:25,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:25,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:25,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:45:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:25,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:45:25,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:25,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:25,934 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:25,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398901413] [2021-10-16 02:45:25,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398901413] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:25,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:25,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:45:25,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193084589] [2021-10-16 02:45:25,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:45:25,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:25,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:45:25,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:45:25,967 INFO L87 Difference]: Start difference. First operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:26,020 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-10-16 02:45:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:45:26,021 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-16 02:45:26,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:26,036 INFO L225 Difference]: With dead ends: 235 [2021-10-16 02:45:26,036 INFO L226 Difference]: Without dead ends: 117 [2021-10-16 02:45:26,040 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:45:26,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-16 02:45:26,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-10-16 02:45:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 116 states have internal predecessors, (172), 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) [2021-10-16 02:45:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-10-16 02:45:26,099 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-10-16 02:45:26,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:26,100 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-10-16 02:45:26,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:26,101 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-10-16 02:45:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-16 02:45:26,104 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:26,105 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:45:26,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:26,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:26,328 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:26,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:26,329 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2021-10-16 02:45:26,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:26,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207463402] [2021-10-16 02:45:26,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:26,338 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:26,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:26,340 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:26,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:45:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:26,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:45:26,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:26,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:26,741 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:26,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207463402] [2021-10-16 02:45:26,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207463402] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:26,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:26,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:45:26,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579102288] [2021-10-16 02:45:26,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:45:26,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:26,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:45:26,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:45:26,753 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:26,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:26,784 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-10-16 02:45:26,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:45:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-16 02:45:26,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:26,788 INFO L225 Difference]: With dead ends: 117 [2021-10-16 02:45:26,788 INFO L226 Difference]: Without dead ends: 49 [2021-10-16 02:45:26,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:45:26,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-16 02:45:26,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-16 02:45:26,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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) [2021-10-16 02:45:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-16 02:45:26,805 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-16 02:45:26,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:26,806 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-16 02:45:26,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-16 02:45:26,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 02:45:26,809 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:26,813 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:45:26,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-16 02:45:27,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:27,029 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:27,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:27,036 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2021-10-16 02:45:27,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:27,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163834145] [2021-10-16 02:45:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:27,044 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:27,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:27,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:27,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:45:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:27,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:45:27,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:27,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:27,448 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:27,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163834145] [2021-10-16 02:45:27,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163834145] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:27,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:27,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:45:27,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129444894] [2021-10-16 02:45:27,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:45:27,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:27,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:45:27,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:45:27,455 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:27,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:27,517 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-10-16 02:45:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:45:27,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-16 02:45:27,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:27,521 INFO L225 Difference]: With dead ends: 91 [2021-10-16 02:45:27,522 INFO L226 Difference]: Without dead ends: 49 [2021-10-16 02:45:27,523 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:45:27,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-16 02:45:27,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-16 02:45:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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) [2021-10-16 02:45:27,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-16 02:45:27,533 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-16 02:45:27,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:27,533 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-16 02:45:27,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:27,535 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-16 02:45:27,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-16 02:45:27,537 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:27,538 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] [2021-10-16 02:45:27,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:27,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:27,753 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:27,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:27,754 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2021-10-16 02:45:27,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:27,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418604586] [2021-10-16 02:45:27,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:27,756 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:27,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:27,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:27,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:45:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:28,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:45:28,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:28,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:28,183 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:28,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418604586] [2021-10-16 02:45:28,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418604586] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:28,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:28,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:45:28,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973429991] [2021-10-16 02:45:28,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:45:28,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:28,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:45:28,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:45:28,188 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:28,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:28,265 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-16 02:45:28,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:45:28,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-16 02:45:28,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:28,269 INFO L225 Difference]: With dead ends: 113 [2021-10-16 02:45:28,270 INFO L226 Difference]: Without dead ends: 71 [2021-10-16 02:45:28,274 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:45:28,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-16 02:45:28,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-10-16 02:45:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 68 states have internal predecessors, (98), 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) [2021-10-16 02:45:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-10-16 02:45:28,298 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-10-16 02:45:28,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:28,299 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-10-16 02:45:28,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-10-16 02:45:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-16 02:45:28,302 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:28,303 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] [2021-10-16 02:45:28,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:28,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:28,518 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:28,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:28,519 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2021-10-16 02:45:28,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:28,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682057175] [2021-10-16 02:45:28,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:28,520 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:28,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:28,521 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:28,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:45:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:28,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:45:28,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:28,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:28,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:28,944 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:28,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682057175] [2021-10-16 02:45:28,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682057175] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:28,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:28,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 02:45:28,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292435164] [2021-10-16 02:45:28,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:45:28,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:28,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:45:28,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:45:28,951 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-16 02:45:29,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:29,048 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-10-16 02:45:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:45:29,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-10-16 02:45:29,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:29,051 INFO L225 Difference]: With dead ends: 182 [2021-10-16 02:45:29,066 INFO L226 Difference]: Without dead ends: 120 [2021-10-16 02:45:29,066 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:45:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-10-16 02:45:29,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-10-16 02:45:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 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) [2021-10-16 02:45:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-10-16 02:45:29,086 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-10-16 02:45:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:29,086 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-10-16 02:45:29,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-16 02:45:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-10-16 02:45:29,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-16 02:45:29,093 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:29,094 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] [2021-10-16 02:45:29,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-16 02:45:29,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:29,298 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:29,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:29,298 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2021-10-16 02:45:29,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:29,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294256140] [2021-10-16 02:45:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:29,300 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:29,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:29,301 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:29,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:45:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:29,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:45:29,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:29,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:29,852 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:29,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294256140] [2021-10-16 02:45:29,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294256140] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:29,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:29,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 02:45:29,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959014928] [2021-10-16 02:45:29,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:45:29,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:29,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:45:29,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:45:29,855 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-16 02:45:29,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:29,960 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-10-16 02:45:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 02:45:29,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-16 02:45:29,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:29,964 INFO L225 Difference]: With dead ends: 387 [2021-10-16 02:45:29,965 INFO L226 Difference]: Without dead ends: 319 [2021-10-16 02:45:29,967 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 49.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-16 02:45:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-16 02:45:30,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-10-16 02:45:30,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.3880597014925373) internal successors, (186), 134 states have internal predecessors, (186), 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) [2021-10-16 02:45:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-10-16 02:45:30,004 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-10-16 02:45:30,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:30,004 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-10-16 02:45:30,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-16 02:45:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-10-16 02:45:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 02:45:30,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:30,006 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] [2021-10-16 02:45:30,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:30,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:30,219 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:30,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:30,220 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2021-10-16 02:45:30,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:30,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912695723] [2021-10-16 02:45:30,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:30,221 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:30,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:30,223 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:30,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 02:45:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:30,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:45:30,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:30,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:30,778 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:30,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912695723] [2021-10-16 02:45:30,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912695723] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:30,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:30,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 02:45:30,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153721885] [2021-10-16 02:45:30,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:45:30,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:30,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:45:30,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:45:30,780 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-10-16 02:45:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:30,968 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-10-16 02:45:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 02:45:30,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-16 02:45:30,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:30,971 INFO L225 Difference]: With dead ends: 506 [2021-10-16 02:45:30,972 INFO L226 Difference]: Without dead ends: 378 [2021-10-16 02:45:30,973 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 50.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-16 02:45:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-16 02:45:30,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-10-16 02:45:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.3759398496240602) internal successors, (183), 133 states have internal predecessors, (183), 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) [2021-10-16 02:45:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-10-16 02:45:30,998 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-10-16 02:45:30,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:30,998 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-10-16 02:45:30,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-10-16 02:45:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-10-16 02:45:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 02:45:31,000 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:31,000 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] [2021-10-16 02:45:31,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:31,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:31,215 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:31,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:31,216 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2021-10-16 02:45:31,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:31,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613552116] [2021-10-16 02:45:31,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:31,217 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:31,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:31,219 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:31,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 02:45:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:31,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:45:31,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:31,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:31,760 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:31,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613552116] [2021-10-16 02:45:31,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613552116] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:31,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:31,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 02:45:31,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922403334] [2021-10-16 02:45:31,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:45:31,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:31,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:45:31,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:45:31,762 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 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) [2021-10-16 02:45:31,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:31,832 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2021-10-16 02:45:31,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:45:31,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 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 33 [2021-10-16 02:45:31,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:31,834 INFO L225 Difference]: With dead ends: 357 [2021-10-16 02:45:31,834 INFO L226 Difference]: Without dead ends: 230 [2021-10-16 02:45:31,835 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:45:31,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-16 02:45:31,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2021-10-16 02:45:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 141 states have internal predecessors, (191), 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) [2021-10-16 02:45:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-10-16 02:45:31,853 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-10-16 02:45:31,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:31,853 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-10-16 02:45:31,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 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) [2021-10-16 02:45:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-10-16 02:45:31,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 02:45:31,854 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:31,854 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] [2021-10-16 02:45:31,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-16 02:45:32,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:32,072 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:32,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:32,072 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2021-10-16 02:45:32,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:32,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113972267] [2021-10-16 02:45:32,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:32,073 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:32,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:32,075 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:32,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 02:45:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:32,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:45:32,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:32,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:32,660 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:32,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113972267] [2021-10-16 02:45:32,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113972267] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:32,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:32,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:45:32,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878981954] [2021-10-16 02:45:32,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:45:32,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:32,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:45:32,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:45:32,663 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-10-16 02:45:32,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:32,749 INFO L93 Difference]: Finished difference Result 434 states and 587 transitions. [2021-10-16 02:45:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:45:32,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 33 [2021-10-16 02:45:32,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:32,752 INFO L225 Difference]: With dead ends: 434 [2021-10-16 02:45:32,753 INFO L226 Difference]: Without dead ends: 299 [2021-10-16 02:45:32,753 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:45:32,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-16 02:45:32,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 247. [2021-10-16 02:45:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 1.3414634146341464) internal successors, (330), 246 states have internal predecessors, (330), 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) [2021-10-16 02:45:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 330 transitions. [2021-10-16 02:45:32,801 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 330 transitions. Word has length 33 [2021-10-16 02:45:32,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:32,801 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 330 transitions. [2021-10-16 02:45:32,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-10-16 02:45:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 330 transitions. [2021-10-16 02:45:32,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 02:45:32,803 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:32,803 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] [2021-10-16 02:45:32,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:33,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:33,018 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:33,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:33,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2021-10-16 02:45:33,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:33,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138776554] [2021-10-16 02:45:33,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:33,019 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:33,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:33,021 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:33,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 02:45:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:33,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:45:33,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:33,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:33,678 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:33,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138776554] [2021-10-16 02:45:33,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138776554] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:33,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:33,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:45:33,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655157832] [2021-10-16 02:45:33,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:45:33,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:33,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:45:33,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:45:33,681 INFO L87 Difference]: Start difference. First operand 247 states and 330 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-10-16 02:45:33,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:33,767 INFO L93 Difference]: Finished difference Result 423 states and 564 transitions. [2021-10-16 02:45:33,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:45:33,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2021-10-16 02:45:33,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:33,772 INFO L225 Difference]: With dead ends: 423 [2021-10-16 02:45:33,772 INFO L226 Difference]: Without dead ends: 421 [2021-10-16 02:45:33,772 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:45:33,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-16 02:45:33,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 316. [2021-10-16 02:45:33,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 1.3714285714285714) internal successors, (432), 315 states have internal predecessors, (432), 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) [2021-10-16 02:45:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2021-10-16 02:45:33,823 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 34 [2021-10-16 02:45:33,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:33,824 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2021-10-16 02:45:33,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-10-16 02:45:33,824 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2021-10-16 02:45:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-16 02:45:33,826 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:33,826 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:45:33,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:34,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:34,041 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:34,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:34,041 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2021-10-16 02:45:34,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:34,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358180747] [2021-10-16 02:45:34,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:34,042 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:34,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:34,044 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:34,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 02:45:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:34,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:45:34,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:34,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:45:34,783 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:34,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358180747] [2021-10-16 02:45:34,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358180747] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:34,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:34,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:45:34,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646495037] [2021-10-16 02:45:34,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:45:34,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:34,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:45:34,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:45:34,785 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2021-10-16 02:45:37,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:37,894 INFO L93 Difference]: Finished difference Result 580 states and 800 transitions. [2021-10-16 02:45:37,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:45:37,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-16 02:45:37,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:37,897 INFO L225 Difference]: With dead ends: 580 [2021-10-16 02:45:37,897 INFO L226 Difference]: Without dead ends: 271 [2021-10-16 02:45:37,897 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:45:37,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-10-16 02:45:37,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2021-10-16 02:45:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.3222222222222222) internal successors, (357), 270 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:45:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 357 transitions. [2021-10-16 02:45:37,933 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 357 transitions. Word has length 58 [2021-10-16 02:45:37,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:37,933 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 357 transitions. [2021-10-16 02:45:37,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2021-10-16 02:45:37,934 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 357 transitions. [2021-10-16 02:45:37,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-16 02:45:37,935 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:37,935 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] [2021-10-16 02:45:37,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:38,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:38,148 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:38,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:38,149 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2021-10-16 02:45:38,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:38,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228086951] [2021-10-16 02:45:38,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:38,150 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:38,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:38,151 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:38,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-16 02:45:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:38,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:45:38,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:38,719 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:45:38,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:45:38,880 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:38,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228086951] [2021-10-16 02:45:38,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228086951] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:45:38,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:45:38,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 02:45:38,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582238933] [2021-10-16 02:45:38,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:45:38,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:38,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:45:38,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:45:38,882 INFO L87 Difference]: Start difference. First operand 271 states and 357 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) [2021-10-16 02:45:39,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:39,038 INFO L93 Difference]: Finished difference Result 855 states and 1127 transitions. [2021-10-16 02:45:39,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:45:39,039 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-16 02:45:39,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:39,044 INFO L225 Difference]: With dead ends: 855 [2021-10-16 02:45:39,044 INFO L226 Difference]: Without dead ends: 591 [2021-10-16 02:45:39,045 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 61.7ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:45:39,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2021-10-16 02:45:39,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 283. [2021-10-16 02:45:39,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.3085106382978724) internal successors, (369), 282 states have internal predecessors, (369), 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) [2021-10-16 02:45:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 369 transitions. [2021-10-16 02:45:39,089 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 369 transitions. Word has length 58 [2021-10-16 02:45:39,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:39,089 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 369 transitions. [2021-10-16 02:45:39,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) [2021-10-16 02:45:39,090 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 369 transitions. [2021-10-16 02:45:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-16 02:45:39,091 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:45:39,091 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] [2021-10-16 02:45:39,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:39,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:45:39,306 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:45:39,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:45:39,306 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2021-10-16 02:45:39,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:45:39,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084480366] [2021-10-16 02:45:39,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:39,307 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:45:39,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:45:39,308 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:45:39,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-16 02:45:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:39,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:45:39,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:45:39,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:45:40,239 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:45:40,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084480366] [2021-10-16 02:45:40,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084480366] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:45:40,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [302343963] [2021-10-16 02:45:40,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:40,240 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:45:40,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:45:40,245 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:45:40,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-16 02:45:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:40,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-16 02:45:40,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:45:41,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:45:41,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [302343963] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:45:41,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65914150] [2021-10-16 02:45:41,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:45:41,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:45:41,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:45:41,371 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:45:41,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-16 02:45:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:45:41,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:45:41,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:45:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:45:42,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:45:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:45:42,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65914150] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:45:42,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:45:42,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 8 [2021-10-16 02:45:42,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405652577] [2021-10-16 02:45:42,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-16 02:45:42,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:45:42,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-16 02:45:42,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-16 02:45:42,401 INFO L87 Difference]: Start difference. First operand 283 states and 369 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2021-10-16 02:45:46,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:45:46,910 INFO L93 Difference]: Finished difference Result 655 states and 858 transitions. [2021-10-16 02:45:46,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 02:45:46,911 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-16 02:45:46,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:45:46,912 INFO L225 Difference]: With dead ends: 655 [2021-10-16 02:45:46,912 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:45:46,913 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 114.9ms TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-16 02:45:46,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:45:46,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:45:46,914 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) [2021-10-16 02:45:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:45:46,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-16 02:45:46,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:45:46,915 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:45:46,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2021-10-16 02:45:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:45:46,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:45:46,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:45:46,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:45:46,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:45:46,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:47,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-16 02:45:47,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2021-10-16 02:45:47,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:45:47,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:45:47,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:48,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:49,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:45:54,857 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-16 02:45:54,857 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2021-10-16 02:45:54,858 INFO L853 garLoopResultBuilder]: At program point L597-2(lines 351 357) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse2 .cse6))) [2021-10-16 02:45:54,858 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 272) no Hoare annotation was computed. [2021-10-16 02:45:54,858 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-16 02:45:54,858 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 351 357) no Hoare annotation was computed. [2021-10-16 02:45:54,859 INFO L853 garLoopResultBuilder]: At program point L336(lines 331 339) 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)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-16 02:45:54,859 INFO L853 garLoopResultBuilder]: At program point L336-1(lines 331 339) the Hoare annotation is: false [2021-10-16 02:45:54,859 INFO L853 garLoopResultBuilder]: At program point L336-2(lines 331 339) the Hoare annotation is: false [2021-10-16 02:45:54,859 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2021-10-16 02:45:54,859 INFO L853 garLoopResultBuilder]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse2 .cse5))) [2021-10-16 02:45:54,860 INFO L853 garLoopResultBuilder]: At program point L536(lines 521 539) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-16 02:45:54,860 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 521 539) the Hoare annotation is: false [2021-10-16 02:45:54,860 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 521 539) the Hoare annotation is: false [2021-10-16 02:45:54,860 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 989) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:45:54,861 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-16 02:45:54,861 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 184) no Hoare annotation was computed. [2021-10-16 02:45:54,861 INFO L860 garLoopResultBuilder]: At program point L177-1(lines 177 184) the Hoare annotation is: true [2021-10-16 02:45:54,861 INFO L853 garLoopResultBuilder]: At program point L607(lines 558 608) the Hoare annotation is: false [2021-10-16 02:45:54,861 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 426) no Hoare annotation was computed. [2021-10-16 02:45:54,861 INFO L857 garLoopResultBuilder]: For program point L409-1(lines 409 426) no Hoare annotation was computed. [2021-10-16 02:45:54,862 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 426) no Hoare annotation was computed. [2021-10-16 02:45:54,862 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-10-16 02:45:54,862 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2021-10-16 02:45:54,862 INFO L853 garLoopResultBuilder]: At program point L211-1(lines 1 989) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse2 .cse5))) [2021-10-16 02:45:54,862 INFO L857 garLoopResultBuilder]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2021-10-16 02:45:54,863 INFO L857 garLoopResultBuilder]: For program point L211-2(lines 211 228) no Hoare annotation was computed. [2021-10-16 02:45:54,863 INFO L853 garLoopResultBuilder]: At program point L211-3(lines 1 989) the Hoare annotation is: false [2021-10-16 02:45:54,863 INFO L857 garLoopResultBuilder]: For program point L211-4(lines 211 228) no Hoare annotation was computed. [2021-10-16 02:45:54,863 INFO L857 garLoopResultBuilder]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2021-10-16 02:45:54,863 INFO L853 garLoopResultBuilder]: At program point L211-5(lines 1 989) the Hoare annotation is: false [2021-10-16 02:45:54,864 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,864 INFO L857 garLoopResultBuilder]: For program point L511-2(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,864 INFO L857 garLoopResultBuilder]: For program point L511-3(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,864 INFO L857 garLoopResultBuilder]: For program point L511-5(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,864 INFO L857 garLoopResultBuilder]: For program point L511-6(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,865 INFO L857 garLoopResultBuilder]: For program point L511-8(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,865 INFO L857 garLoopResultBuilder]: For program point L511-9(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,865 INFO L857 garLoopResultBuilder]: For program point L511-11(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,865 INFO L857 garLoopResultBuilder]: For program point L511-12(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,865 INFO L857 garLoopResultBuilder]: For program point L511-14(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,865 INFO L857 garLoopResultBuilder]: For program point L511-15(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,866 INFO L857 garLoopResultBuilder]: For program point L511-17(lines 511 515) no Hoare annotation was computed. [2021-10-16 02:45:54,866 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 421) no Hoare annotation was computed. [2021-10-16 02:45:54,866 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 413 421) no Hoare annotation was computed. [2021-10-16 02:45:54,866 INFO L857 garLoopResultBuilder]: For program point L413-2(lines 413 421) no Hoare annotation was computed. [2021-10-16 02:45:54,866 INFO L853 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2) (and .cse0 .cse5 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-16 02:45:54,867 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 276 284) the Hoare annotation is: false [2021-10-16 02:45:54,867 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 225) no Hoare annotation was computed. [2021-10-16 02:45:54,867 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 276 284) the Hoare annotation is: false [2021-10-16 02:45:54,867 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 215 225) no Hoare annotation was computed. [2021-10-16 02:45:54,867 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:45:54,868 INFO L857 garLoopResultBuilder]: For program point L215-4(lines 215 225) no Hoare annotation was computed. [2021-10-16 02:45:54,868 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-10-16 02:45:54,868 INFO L853 garLoopResultBuilder]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse2 .cse6))) [2021-10-16 02:45:54,868 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-10-16 02:45:54,868 INFO L857 garLoopResultBuilder]: For program point L216-2(lines 216 222) no Hoare annotation was computed. [2021-10-16 02:45:54,869 INFO L857 garLoopResultBuilder]: For program point L216-4(lines 216 222) no Hoare annotation was computed. [2021-10-16 02:45:54,869 INFO L853 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:45:54,869 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 400) no Hoare annotation was computed. [2021-10-16 02:45:54,869 INFO L857 garLoopResultBuilder]: For program point L383-1(lines 383 400) no Hoare annotation was computed. [2021-10-16 02:45:54,869 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:45:54,870 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 383 400) no Hoare annotation was computed. [2021-10-16 02:45:54,870 INFO L857 garLoopResultBuilder]: For program point L383-3(lines 383 400) no Hoare annotation was computed. [2021-10-16 02:45:54,870 INFO L857 garLoopResultBuilder]: For program point L383-4(lines 383 400) no Hoare annotation was computed. [2021-10-16 02:45:54,870 INFO L857 garLoopResultBuilder]: For program point L383-5(lines 383 400) no Hoare annotation was computed. [2021-10-16 02:45:54,870 INFO L853 garLoopResultBuilder]: At program point L351(lines 350 369) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse4) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3))) [2021-10-16 02:45:54,871 INFO L857 garLoopResultBuilder]: For program point L351-1(lines 351 357) no Hoare annotation was computed. [2021-10-16 02:45:54,871 INFO L853 garLoopResultBuilder]: At program point L351-2(lines 350 369) the Hoare annotation is: false [2021-10-16 02:45:54,871 INFO L853 garLoopResultBuilder]: At program point L351-3(lines 350 369) the Hoare annotation is: false [2021-10-16 02:45:54,871 INFO L860 garLoopResultBuilder]: At program point L186(lines 167 189) the Hoare annotation is: true [2021-10-16 02:45:54,871 INFO L853 garLoopResultBuilder]: At program point L517(lines 502 520) the Hoare annotation is: false [2021-10-16 02:45:54,872 INFO L853 garLoopResultBuilder]: At program point L517-1(lines 502 520) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse4 .cse5 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse6 .cse7 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse5 .cse2 .cse6 .cse7 .cse3))) [2021-10-16 02:45:54,872 INFO L853 garLoopResultBuilder]: At program point L517-2(lines 502 520) the Hoare annotation is: false [2021-10-16 02:45:54,872 INFO L853 garLoopResultBuilder]: At program point L517-3(lines 502 520) the Hoare annotation is: false [2021-10-16 02:45:54,872 INFO L853 garLoopResultBuilder]: At program point L517-4(lines 502 520) the Hoare annotation is: false [2021-10-16 02:45:54,872 INFO L853 garLoopResultBuilder]: At program point L517-5(lines 502 520) the Hoare annotation is: false [2021-10-16 02:45:54,873 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 395) no Hoare annotation was computed. [2021-10-16 02:45:54,873 INFO L857 garLoopResultBuilder]: For program point L387-1(lines 387 395) no Hoare annotation was computed. [2021-10-16 02:45:54,873 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 327) no Hoare annotation was computed. [2021-10-16 02:45:54,873 INFO L857 garLoopResultBuilder]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2021-10-16 02:45:54,873 INFO L857 garLoopResultBuilder]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2021-10-16 02:45:54,874 INFO L857 garLoopResultBuilder]: For program point L387-3(lines 387 395) no Hoare annotation was computed. [2021-10-16 02:45:54,874 INFO L857 garLoopResultBuilder]: For program point L321-2(lines 321 327) no Hoare annotation was computed. [2021-10-16 02:45:54,874 INFO L857 garLoopResultBuilder]: For program point L387-4(lines 387 395) no Hoare annotation was computed. [2021-10-16 02:45:54,874 INFO L857 garLoopResultBuilder]: For program point L321-3(lines 321 327) no Hoare annotation was computed. [2021-10-16 02:45:54,874 INFO L857 garLoopResultBuilder]: For program point L387-5(lines 387 395) no Hoare annotation was computed. [2021-10-16 02:45:54,875 INFO L857 garLoopResultBuilder]: For program point L321-4(lines 321 327) no Hoare annotation was computed. [2021-10-16 02:45:54,875 INFO L857 garLoopResultBuilder]: For program point L321-5(lines 321 327) no Hoare annotation was computed. [2021-10-16 02:45:54,875 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:45:54,875 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2021-10-16 02:45:54,875 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 602) no Hoare annotation was computed. [2021-10-16 02:45:54,875 INFO L853 garLoopResultBuilder]: At program point L358(lines 358 364) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse5 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2))) [2021-10-16 02:45:54,876 INFO L853 garLoopResultBuilder]: At program point L358-1(lines 358 364) the Hoare annotation is: false [2021-10-16 02:45:54,876 INFO L853 garLoopResultBuilder]: At program point L358-2(lines 358 364) the Hoare annotation is: false [2021-10-16 02:45:54,876 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:45:54,876 INFO L857 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2021-10-16 02:45:54,876 INFO L857 garLoopResultBuilder]: For program point L986-1(line 986) no Hoare annotation was computed. [2021-10-16 02:45:54,877 INFO L857 garLoopResultBuilder]: For program point L986-2(line 986) no Hoare annotation was computed. [2021-10-16 02:45:54,877 INFO L853 garLoopResultBuilder]: At program point L326(lines 317 330) the Hoare annotation is: false [2021-10-16 02:45:54,877 INFO L853 garLoopResultBuilder]: At program point L326-1(lines 317 330) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse5 .cse6 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse5 .cse6 .cse3))) [2021-10-16 02:45:54,877 INFO L853 garLoopResultBuilder]: At program point L326-2(lines 317 330) the Hoare annotation is: false [2021-10-16 02:45:54,877 INFO L853 garLoopResultBuilder]: At program point L326-3(lines 317 330) the Hoare annotation is: false [2021-10-16 02:45:54,878 INFO L853 garLoopResultBuilder]: At program point L326-4(lines 317 330) the Hoare annotation is: false [2021-10-16 02:45:54,878 INFO L853 garLoopResultBuilder]: At program point L326-5(lines 317 330) the Hoare annotation is: false [2021-10-16 02:45:54,878 INFO L857 garLoopResultBuilder]: For program point L560(lines 559 606) no Hoare annotation was computed. [2021-10-16 02:45:54,878 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:45:54,878 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-16 02:45:54,879 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 565) no Hoare annotation was computed. [2021-10-16 02:45:54,879 INFO L853 garLoopResultBuilder]: At program point L462(lines 457 465) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse3 .cse5 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse3 .cse5 .cse4))) [2021-10-16 02:45:54,879 INFO L853 garLoopResultBuilder]: At program point L462-1(lines 457 465) the Hoare annotation is: false [2021-10-16 02:45:54,879 INFO L853 garLoopResultBuilder]: At program point L462-2(lines 457 465) the Hoare annotation is: false [2021-10-16 02:45:54,879 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: false [2021-10-16 02:45:54,880 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-16 02:45:54,880 INFO L857 garLoopResultBuilder]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2021-10-16 02:45:54,880 INFO L857 garLoopResultBuilder]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2021-10-16 02:45:54,880 INFO L857 garLoopResultBuilder]: For program point L530-5(lines 530 534) no Hoare annotation was computed. [2021-10-16 02:45:54,880 INFO L857 garLoopResultBuilder]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2021-10-16 02:45:54,881 INFO L857 garLoopResultBuilder]: For program point L530-8(lines 530 534) no Hoare annotation was computed. [2021-10-16 02:45:54,881 INFO L853 garLoopResultBuilder]: At program point L200(lines 195 202) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:45:54,881 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-16 02:45:54,886 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:45:54,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:45:54 BoogieIcfgContainer [2021-10-16 02:45:54,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:45:54,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:45:54,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:45:54,919 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:45:54,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:25" (3/4) ... [2021-10-16 02:45:54,923 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:45:54,945 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 02:45:54,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 02:45:54,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 02:45:54,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 02:45:54,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 02:45:54,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:45:54,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:45:54,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-16 02:45:54,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-16 02:45:54,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-16 02:45:54,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:45:54,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:45:54,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:45:54,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:45:54,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:45:54,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) [2021-10-16 02:45:54,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-16 02:45:54,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-16 02:45:54,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 1bv32 == \result) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) [2021-10-16 02:45:54,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:45:54,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 [2021-10-16 02:45:54,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:45:55,085 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:45:55,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:45:55,087 INFO L168 Benchmark]: Toolchain (without parser) took 34165.70 ms. Allocated memory was 62.9 MB in the beginning and 109.1 MB in the end (delta: 46.1 MB). Free memory was 41.9 MB in the beginning and 82.3 MB in the end (delta: -40.4 MB). Peak memory consumption was 63.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:55,088 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:45:55,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.04 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 31.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:55,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.10 ms. Allocated memory is still 62.9 MB. Free memory was 31.9 MB in the beginning and 28.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:55,090 INFO L168 Benchmark]: Boogie Preprocessor took 105.23 ms. Allocated memory is still 62.9 MB. Free memory was 28.2 MB in the beginning and 25.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:55,090 INFO L168 Benchmark]: RCFGBuilder took 3373.87 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 25.4 MB in the beginning and 48.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:55,091 INFO L168 Benchmark]: TraceAbstraction took 29632.68 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 47.6 MB in the beginning and 31.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:55,091 INFO L168 Benchmark]: Witness Printer took 166.36 ms. Allocated memory is still 109.1 MB. Free memory was 31.7 MB in the beginning and 82.3 MB in the end (delta: -50.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:45:55,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 745.04 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 31.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 135.10 ms. Allocated memory is still 62.9 MB. Free memory was 31.9 MB in the beginning and 28.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.23 ms. Allocated memory is still 62.9 MB. Free memory was 28.2 MB in the beginning and 25.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3373.87 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 25.4 MB in the beginning and 48.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29632.68 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 47.6 MB in the beginning and 31.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. * Witness Printer took 166.36 ms. Allocated memory is still 109.1 MB. Free memory was 31.7 MB in the beginning and 82.3 MB in the end (delta: -50.6 MB). Peak memory consumption was 9.1 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: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: 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, 121 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 29535.6ms, OverallIterations: 13, TraceHistogramMax: 2, EmptinessCheckTime: 56.7ms, AutomataDifference: 8765.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7322.7ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1256 SDtfs, 1664 SDslu, 2271 SDs, 0 SdLazy, 270 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7744.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1141 GetRequests, 1089 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 383.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=10, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 368.5ms AutomataMinimizationTime, 13 MinimizatonAttempts, 1028 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 186 NumberOfFragments, 949 HoareAnnotationTreeSize, 44 FomulaSimplifications, 596975 FormulaSimplificationTreeSizeReduction, 1629.8ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 137278 FormulaSimplificationTreeSizeReductionInter, 5677.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 370.8ms SsaConstructionTime, 2012.6ms SatisfiabilityAnalysisTime, 4549.2ms InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1118 ConstructedInterpolants, 0 QuantifiedInterpolants, 2315 SizeOfPredicates, 29 NumberOfNonLiveVariables, 3330 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 148/184 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: 350]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 1bv32 == \result) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:45:55,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edeca696-ed7f-42ea-b223-17d8c4dfd5ec/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...