./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI --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 d3ca886cbb93ac9ab3a93e98b7567227967813c9 .............................................................................................................................................. 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_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI --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 d3ca886cbb93ac9ab3a93e98b7567227967813c9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:38,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:38,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:38,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:38,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:38,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:38,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:38,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:38,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:38,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:38,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:38,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:38,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:38,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:38,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:38,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:38,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:38,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:38,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:38,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:38,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:38,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:38,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:38,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:38,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:38,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:38,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:38,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:38,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:38,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:38,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:38,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:38,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:38,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:38,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:38,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:38,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:38,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:38,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:38,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:38,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:38,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:21:38,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:38,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:38,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:38,798 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:38,798 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:38,798 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:38,798 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:21:38,798 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:38,805 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:38,805 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:21:38,806 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:21:38,806 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:38,807 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:21:38,807 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:21:38,807 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:21:38,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:38,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:38,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:21:38,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:38,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:38,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:38,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:38,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:38,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:38,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:38,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:38,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:38,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:38,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:38,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:38,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:38,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:38,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:38,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:38,813 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:21:38,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:21:38,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:38,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:38,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:38,814 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_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ca886cbb93ac9ab3a93e98b7567227967813c9 [2021-10-11 02:21:39,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:39,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:39,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:39,166 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:39,167 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:39,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-10-11 02:21:39,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data/2f55a6006/b5f2d959b16243cea3bbe484e94156e7/FLAG4b04dd44d [2021-10-11 02:21:39,713 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:39,728 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-10-11 02:21:39,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data/2f55a6006/b5f2d959b16243cea3bbe484e94156e7/FLAG4b04dd44d [2021-10-11 02:21:40,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data/2f55a6006/b5f2d959b16243cea3bbe484e94156e7 [2021-10-11 02:21:40,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:40,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:40,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:40,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:40,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:40,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:40" (1/1) ... [2021-10-11 02:21:40,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ec7ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:40, skipping insertion in model container [2021-10-11 02:21:40,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:40" (1/1) ... [2021-10-11 02:21:40,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:40,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:40,309 WARN L226 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_322c191c-6653-4f24-8d0f-5729a07f060d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[2917,2930] [2021-10-11 02:21:40,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:40,420 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) [2021-10-11 02:21:40,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6093433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:40, skipping insertion in model container [2021-10-11 02:21:40,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:40,421 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:21:40,424 INFO L168 Benchmark]: Toolchain (without parser) took 374.74 ms. Allocated memory was 83.9 MB in the beginning and 119.5 MB in the end (delta: 35.7 MB). Free memory was 44.6 MB in the beginning and 88.9 MB in the end (delta: -44.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:40,425 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory was 61.9 MB in the beginning and 61.8 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:40,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.48 ms. Allocated memory was 83.9 MB in the beginning and 119.5 MB in the end (delta: 35.7 MB). Free memory was 44.4 MB in the beginning and 88.9 MB in the end (delta: -44.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:40,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory was 61.9 MB in the beginning and 61.8 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 367.48 ms. Allocated memory was 83.9 MB in the beginning and 119.5 MB in the end (delta: 35.7 MB). Free memory was 44.4 MB in the beginning and 88.9 MB in the end (delta: -44.5 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: 400]: 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 0.2.0-7b2dab5 [2021-10-11 02:21:42,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:42,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:42,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:42,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:42,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:42,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:42,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:42,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:42,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:42,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:42,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:42,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:42,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:42,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:42,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:42,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:42,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:42,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:42,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:42,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:42,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:42,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:42,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:42,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:42,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:42,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:42,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:42,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:42,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:42,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:42,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:42,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:42,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:42,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:42,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:42,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:42,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:42,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:42,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:42,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:42,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:21:42,906 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:42,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:42,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:42,908 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:42,909 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:42,909 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:42,909 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:42,909 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:42,910 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:42,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:42,913 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:42,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:42,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:42,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:42,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:42,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:42,914 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:42,915 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:21:42,915 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:21:42,915 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:42,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:42,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:42,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:42,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:42,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:21:42,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:42,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:42,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:42,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:42,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:42,919 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:21:42,919 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:42,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:42,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:42,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:42,920 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_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ca886cbb93ac9ab3a93e98b7567227967813c9 [2021-10-11 02:21:43,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:43,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:43,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:43,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:43,351 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:43,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-10-11 02:21:43,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data/d79ad9848/6e102d59c5e448c8a5767b85932b8873/FLAG3a3acf8ab [2021-10-11 02:21:43,949 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:43,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-10-11 02:21:43,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data/d79ad9848/6e102d59c5e448c8a5767b85932b8873/FLAG3a3acf8ab [2021-10-11 02:21:44,258 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/data/d79ad9848/6e102d59c5e448c8a5767b85932b8873 [2021-10-11 02:21:44,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:44,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:44,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:44,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:44,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:44,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:44,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bde46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44, skipping insertion in model container [2021-10-11 02:21:44,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:44,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:44,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:44,557 WARN L226 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_322c191c-6653-4f24-8d0f-5729a07f060d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[2917,2930] [2021-10-11 02:21:44,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:44,672 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:21:44,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:44,695 WARN L226 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_322c191c-6653-4f24-8d0f-5729a07f060d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[2917,2930] [2021-10-11 02:21:44,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:44,756 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:21:44,778 WARN L226 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_322c191c-6653-4f24-8d0f-5729a07f060d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[2917,2930] [2021-10-11 02:21:44,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:44,868 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:21:44,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44 WrapperNode [2021-10-11 02:21:44,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:44,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:44,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:21:44,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:21:44,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:44,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:44,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:44,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:21:44,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:21:44,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:21:44,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:44,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:44,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:44,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:45,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:45,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:45,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... [2021-10-11 02:21:45,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:21:45,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:21:45,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:21:45,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:21:45,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:45,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:21:45,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:21:45,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:21:45,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:21:47,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:21:47,593 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2021-10-11 02:21:47,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:47 BoogieIcfgContainer [2021-10-11 02:21:47,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:21:47,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:21:47,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:21:47,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:21:47,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:21:44" (1/3) ... [2021-10-11 02:21:47,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44dcae84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:47, skipping insertion in model container [2021-10-11 02:21:47,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:44" (2/3) ... [2021-10-11 02:21:47,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44dcae84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:47, skipping insertion in model container [2021-10-11 02:21:47,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:47" (3/3) ... [2021-10-11 02:21:47,603 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2021-10-11 02:21:47,615 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:21:47,618 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:21:47,627 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:21:47,652 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:21:47,652 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:21:47,653 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:21:47,653 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:21:47,653 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:21:47,653 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:21:47,653 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:21:47,654 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:21:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2021-10-11 02:21:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:21:47,677 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:47,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:47,678 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:47,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:47,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1212648512, now seen corresponding path program 1 times [2021-10-11 02:21:47,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:47,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66396295] [2021-10-11 02:21:47,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:47,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:21:47,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:47,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:47,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66396295] [2021-10-11 02:21:47,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:47,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:47,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374562225] [2021-10-11 02:21:48,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:21:48,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:48,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:21:48,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:48,026 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2021-10-11 02:21:48,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:48,063 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2021-10-11 02:21:48,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:21:48,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:21:48,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:48,077 INFO L225 Difference]: With dead ends: 275 [2021-10-11 02:21:48,077 INFO L226 Difference]: Without dead ends: 137 [2021-10-11 02:21:48,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:48,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-11 02:21:48,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-11 02:21:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2021-10-11 02:21:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2021-10-11 02:21:48,126 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2021-10-11 02:21:48,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:48,127 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2021-10-11 02:21:48,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:21:48,127 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2021-10-11 02:21:48,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:21:48,129 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:48,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:48,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:21:48,342 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:48,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:48,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1186120291, now seen corresponding path program 1 times [2021-10-11 02:21:48,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:48,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361499113] [2021-10-11 02:21:48,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:48,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:48,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:48,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:48,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361499113] [2021-10-11 02:21:48,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:48,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:48,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455390532] [2021-10-11 02:21:48,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:48,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:48,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:48,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:48,573 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2021-10-11 02:21:48,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:48,588 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2021-10-11 02:21:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:48,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:21:48,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:48,590 INFO L225 Difference]: With dead ends: 137 [2021-10-11 02:21:48,590 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 02:21:48,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:48,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 02:21:48,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 02:21:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 02:21:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2021-10-11 02:21:48,600 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2021-10-11 02:21:48,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:48,601 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2021-10-11 02:21:48,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-10-11 02:21:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:21:48,602 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:48,602 INFO L422 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] [2021-10-11 02:21:48,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:21:48,818 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:48,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:48,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2021-10-11 02:21:48,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:48,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595950701] [2021-10-11 02:21:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:49,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:49,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:49,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:49,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:49,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595950701] [2021-10-11 02:21:49,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:49,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:49,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686071562] [2021-10-11 02:21:49,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:49,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:49,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:49,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:49,151 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2021-10-11 02:21:49,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:49,201 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2021-10-11 02:21:49,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:49,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:21:49,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:49,213 INFO L225 Difference]: With dead ends: 157 [2021-10-11 02:21:49,213 INFO L226 Difference]: Without dead ends: 107 [2021-10-11 02:21:49,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-11 02:21:49,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2021-10-11 02:21:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-10-11 02:21:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2021-10-11 02:21:49,233 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2021-10-11 02:21:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:49,233 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2021-10-11 02:21:49,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2021-10-11 02:21:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:21:49,235 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:49,235 INFO L422 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] [2021-10-11 02:21:49,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:21:49,452 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:49,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:49,452 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2021-10-11 02:21:49,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:49,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594885325] [2021-10-11 02:21:49,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:49,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:49,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:49,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:49,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594885325] [2021-10-11 02:21:49,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:49,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:49,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497247493] [2021-10-11 02:21:49,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:49,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:49,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:49,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:49,682 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2021-10-11 02:21:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:49,774 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2021-10-11 02:21:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:49,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:21:49,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:49,778 INFO L225 Difference]: With dead ends: 242 [2021-10-11 02:21:49,778 INFO L226 Difference]: Without dead ends: 146 [2021-10-11 02:21:49,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:49,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-10-11 02:21:49,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2021-10-11 02:21:49,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-10-11 02:21:49,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2021-10-11 02:21:49,802 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2021-10-11 02:21:49,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:49,803 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2021-10-11 02:21:49,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:49,803 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2021-10-11 02:21:49,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:21:49,808 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:49,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:50,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:21:50,021 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:50,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:50,022 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2021-10-11 02:21:50,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:50,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793099237] [2021-10-11 02:21:50,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:50,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:50,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:50,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:50,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793099237] [2021-10-11 02:21:50,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:50,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:21:50,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662750692] [2021-10-11 02:21:50,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:50,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:50,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:50,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:50,293 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2021-10-11 02:21:50,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:50,517 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2021-10-11 02:21:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:21:50,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:21:50,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:50,523 INFO L225 Difference]: With dead ends: 756 [2021-10-11 02:21:50,524 INFO L226 Difference]: Without dead ends: 619 [2021-10-11 02:21:50,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:21:50,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-10-11 02:21:50,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2021-10-11 02:21:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2021-10-11 02:21:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2021-10-11 02:21:50,602 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2021-10-11 02:21:50,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:50,603 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2021-10-11 02:21:50,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2021-10-11 02:21:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:21:50,605 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:50,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:50,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:21:50,821 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:50,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:50,821 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2021-10-11 02:21:50,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:50,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905054543] [2021-10-11 02:21:50,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:51,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:51,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:51,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:51,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905054543] [2021-10-11 02:21:51,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:51,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:51,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332300466] [2021-10-11 02:21:51,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:51,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:51,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:51,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:51,109 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2021-10-11 02:21:51,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:51,355 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2021-10-11 02:21:51,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:21:51,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 02:21:51,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:51,362 INFO L225 Difference]: With dead ends: 1029 [2021-10-11 02:21:51,362 INFO L226 Difference]: Without dead ends: 769 [2021-10-11 02:21:51,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:21:51,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2021-10-11 02:21:51,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2021-10-11 02:21:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2021-10-11 02:21:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2021-10-11 02:21:51,413 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2021-10-11 02:21:51,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:51,413 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2021-10-11 02:21:51,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2021-10-11 02:21:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:21:51,424 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:51,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:51,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:21:51,643 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:51,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:51,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2021-10-11 02:21:51,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:51,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84418053] [2021-10-11 02:21:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:51,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:21:51,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:51,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:51,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84418053] [2021-10-11 02:21:51,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:51,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:21:51,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836984171] [2021-10-11 02:21:51,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:21:51,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:51,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:21:51,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:21:51,924 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 4 states. [2021-10-11 02:21:52,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:52,034 INFO L93 Difference]: Finished difference Result 773 states and 1104 transitions. [2021-10-11 02:21:52,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:21:52,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2021-10-11 02:21:52,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:52,038 INFO L225 Difference]: With dead ends: 773 [2021-10-11 02:21:52,038 INFO L226 Difference]: Without dead ends: 515 [2021-10-11 02:21:52,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:52,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-10-11 02:21:52,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 281. [2021-10-11 02:21:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2021-10-11 02:21:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2021-10-11 02:21:52,083 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2021-10-11 02:21:52,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:52,083 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2021-10-11 02:21:52,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:21:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2021-10-11 02:21:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:21:52,085 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:52,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:52,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:21:52,304 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:52,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:52,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2021-10-11 02:21:52,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:52,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688785480] [2021-10-11 02:21:52,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:52,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:52,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:52,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:52,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688785480] [2021-10-11 02:21:52,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:52,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:52,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315305593] [2021-10-11 02:21:52,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:52,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:52,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:52,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:52,565 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2021-10-11 02:21:52,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:52,704 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2021-10-11 02:21:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:21:52,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 02:21:52,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:52,708 INFO L225 Difference]: With dead ends: 735 [2021-10-11 02:21:52,710 INFO L226 Difference]: Without dead ends: 461 [2021-10-11 02:21:52,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:21:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-10-11 02:21:52,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2021-10-11 02:21:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2021-10-11 02:21:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2021-10-11 02:21:52,749 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2021-10-11 02:21:52,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:52,749 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2021-10-11 02:21:52,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2021-10-11 02:21:52,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:21:52,754 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:52,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:52,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:21:52,971 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:52,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:52,972 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2021-10-11 02:21:52,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:52,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372386626] [2021-10-11 02:21:52,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:53,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:53,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:53,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:53,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:53,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372386626] [2021-10-11 02:21:53,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:53,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:53,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621657369] [2021-10-11 02:21:53,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:53,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:53,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:53,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:53,228 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2021-10-11 02:21:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:53,302 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2021-10-11 02:21:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:53,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 02:21:53,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:53,306 INFO L225 Difference]: With dead ends: 707 [2021-10-11 02:21:53,306 INFO L226 Difference]: Without dead ends: 409 [2021-10-11 02:21:53,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:53,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-10-11 02:21:53,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2021-10-11 02:21:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2021-10-11 02:21:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2021-10-11 02:21:53,357 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2021-10-11 02:21:53,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:53,357 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2021-10-11 02:21:53,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2021-10-11 02:21:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:21:53,359 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:53,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:53,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:21:53,580 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:53,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:53,580 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2021-10-11 02:21:53,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:53,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324364362] [2021-10-11 02:21:53,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:53,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:21:53,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:53,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:53,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324364362] [2021-10-11 02:21:53,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:53,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:21:53,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674544760] [2021-10-11 02:21:53,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:21:53,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:53,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:21:53,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:21:53,871 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2021-10-11 02:21:55,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:55,439 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2021-10-11 02:21:55,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:21:55,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-10-11 02:21:55,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:55,446 INFO L225 Difference]: With dead ends: 1257 [2021-10-11 02:21:55,446 INFO L226 Difference]: Without dead ends: 855 [2021-10-11 02:21:55,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:21:55,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-10-11 02:21:55,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2021-10-11 02:21:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2021-10-11 02:21:55,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2021-10-11 02:21:55,506 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2021-10-11 02:21:55,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:55,506 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2021-10-11 02:21:55,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:21:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2021-10-11 02:21:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:21:55,508 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:55,509 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:55,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:21:55,729 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:55,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:55,729 INFO L82 PathProgramCache]: Analyzing trace with hash 654995562, now seen corresponding path program 1 times [2021-10-11 02:21:55,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:55,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374361131] [2021-10-11 02:21:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:55,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:55,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:56,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:56,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374361131] [2021-10-11 02:21:56,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:56,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:56,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829952930] [2021-10-11 02:21:56,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:56,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:56,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:56,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:56,008 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2021-10-11 02:21:56,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:56,117 INFO L93 Difference]: Finished difference Result 887 states and 1161 transitions. [2021-10-11 02:21:56,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:56,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-10-11 02:21:56,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:56,121 INFO L225 Difference]: With dead ends: 887 [2021-10-11 02:21:56,121 INFO L226 Difference]: Without dead ends: 485 [2021-10-11 02:21:56,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:56,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-10-11 02:21:56,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 282. [2021-10-11 02:21:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-10-11 02:21:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 366 transitions. [2021-10-11 02:21:56,188 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 366 transitions. Word has length 55 [2021-10-11 02:21:56,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:56,188 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 366 transitions. [2021-10-11 02:21:56,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 366 transitions. [2021-10-11 02:21:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:21:56,190 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:56,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:56,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:21:56,406 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:56,407 INFO L82 PathProgramCache]: Analyzing trace with hash -805983262, now seen corresponding path program 1 times [2021-10-11 02:21:56,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:56,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396991072] [2021-10-11 02:21:56,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:56,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:21:56,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:56,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:56,714 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:21:56,715 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:21:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:56,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396991072] [2021-10-11 02:21:56,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [195135117] [2021-10-11 02:21:56,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:57,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:57,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:57,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:57,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:21:57,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2021-10-11 02:21:57,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607415943] [2021-10-11 02:21:57,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:57,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:57,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:57,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:21:57,082 INFO L87 Difference]: Start difference. First operand 282 states and 366 transitions. Second operand 3 states. [2021-10-11 02:21:57,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:57,189 INFO L93 Difference]: Finished difference Result 413 states and 538 transitions. [2021-10-11 02:21:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:57,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 02:21:57,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:57,193 INFO L225 Difference]: With dead ends: 413 [2021-10-11 02:21:57,193 INFO L226 Difference]: Without dead ends: 411 [2021-10-11 02:21:57,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:21:57,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-10-11 02:21:57,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2021-10-11 02:21:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2021-10-11 02:21:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 405 transitions. [2021-10-11 02:21:57,250 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 405 transitions. Word has length 58 [2021-10-11 02:21:57,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:57,250 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 405 transitions. [2021-10-11 02:21:57,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 405 transitions. [2021-10-11 02:21:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 02:21:57,252 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:57,252 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:57,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt,13 mathsat -unsat_core_generation=3 [2021-10-11 02:21:57,675 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:57,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:57,675 INFO L82 PathProgramCache]: Analyzing trace with hash 750831267, now seen corresponding path program 1 times [2021-10-11 02:21:57,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:57,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752749298] [2021-10-11 02:21:57,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:57,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:21:57,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:21:57,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:58,003 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:21:58,003 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:21:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:21:58,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752749298] [2021-10-11 02:21:58,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [386429962] [2021-10-11 02:21:58,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:58,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:21:58,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:21:58,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:58,559 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:21:58,560 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:21:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:21:58,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389901084] [2021-10-11 02:21:58,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:21:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:58,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:21:58,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:58,979 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:21:58,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:58,997 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:21:58,997 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:21:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:21:59,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-11 02:21:59,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 6, 5, 8] total 15 [2021-10-11 02:21:59,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427769253] [2021-10-11 02:21:59,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:21:59,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:59,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:21:59,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-11 02:21:59,116 INFO L87 Difference]: Start difference. First operand 308 states and 405 transitions. Second operand 8 states. [2021-10-11 02:22:04,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:04,162 INFO L93 Difference]: Finished difference Result 2202 states and 2979 transitions. [2021-10-11 02:22:04,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-11 02:22:04,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2021-10-11 02:22:04,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:04,174 INFO L225 Difference]: With dead ends: 2202 [2021-10-11 02:22:04,174 INFO L226 Difference]: Without dead ends: 1989 [2021-10-11 02:22:04,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2021-10-11 02:22:04,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2021-10-11 02:22:04,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 533. [2021-10-11 02:22:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2021-10-11 02:22:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 732 transitions. [2021-10-11 02:22:04,272 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 732 transitions. Word has length 82 [2021-10-11 02:22:04,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:04,272 INFO L481 AbstractCegarLoop]: Abstraction has 533 states and 732 transitions. [2021-10-11 02:22:04,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:22:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 732 transitions. [2021-10-11 02:22:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 02:22:04,274 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:04,274 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:04,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt,15 mathsat -unsat_core_generation=3,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:22:04,878 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:04,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:04,879 INFO L82 PathProgramCache]: Analyzing trace with hash 356464481, now seen corresponding path program 1 times [2021-10-11 02:22:04,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:04,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84666287] [2021-10-11 02:22:04,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:05,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:05,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-11 02:22:05,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:05,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84666287] [2021-10-11 02:22:05,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:05,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:05,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686811994] [2021-10-11 02:22:05,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:05,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:05,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:05,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:05,206 INFO L87 Difference]: Start difference. First operand 533 states and 732 transitions. Second operand 5 states. [2021-10-11 02:22:05,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:05,376 INFO L93 Difference]: Finished difference Result 1096 states and 1511 transitions. [2021-10-11 02:22:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:22:05,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-10-11 02:22:05,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:05,381 INFO L225 Difference]: With dead ends: 1096 [2021-10-11 02:22:05,381 INFO L226 Difference]: Without dead ends: 658 [2021-10-11 02:22:05,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:22:05,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2021-10-11 02:22:05,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 369. [2021-10-11 02:22:05,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2021-10-11 02:22:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 495 transitions. [2021-10-11 02:22:05,464 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 495 transitions. Word has length 82 [2021-10-11 02:22:05,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:05,465 INFO L481 AbstractCegarLoop]: Abstraction has 369 states and 495 transitions. [2021-10-11 02:22:05,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 495 transitions. [2021-10-11 02:22:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-11 02:22:05,466 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:05,467 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:05,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2021-10-11 02:22:05,683 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:05,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:05,684 INFO L82 PathProgramCache]: Analyzing trace with hash 569669167, now seen corresponding path program 1 times [2021-10-11 02:22:05,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:05,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066047688] [2021-10-11 02:22:05,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:05,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:22:05,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-11 02:22:05,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:22:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-11 02:22:06,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066047688] [2021-10-11 02:22:06,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1304575724] [2021-10-11 02:22:06,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:06,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:06,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-11 02:22:06,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:06,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:22:06,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 6 [2021-10-11 02:22:06,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374315174] [2021-10-11 02:22:06,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:06,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:06,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:06,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:22:06,396 INFO L87 Difference]: Start difference. First operand 369 states and 495 transitions. Second operand 3 states. [2021-10-11 02:22:08,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:08,037 INFO L93 Difference]: Finished difference Result 594 states and 792 transitions. [2021-10-11 02:22:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:08,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2021-10-11 02:22:08,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:08,038 INFO L225 Difference]: With dead ends: 594 [2021-10-11 02:22:08,038 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:22:08,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:22:08,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:22:08,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:22:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:22:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:22:08,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-11 02:22:08,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:08,044 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:22:08,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:22:08,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:22:08,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3,20 cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:08,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:22:10,981 WARN L197 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 324 DAG size of output: 246 [2021-10-11 02:22:12,492 WARN L197 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 311 DAG size of output: 239 [2021-10-11 02:22:12,863 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 195 [2021-10-11 02:22:13,001 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 99 [2021-10-11 02:22:13,879 WARN L197 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 213 [2021-10-11 02:22:14,319 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 182 [2021-10-11 02:22:14,829 WARN L197 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 193 [2021-10-11 02:22:15,397 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 193 [2021-10-11 02:22:15,722 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 168 [2021-10-11 02:22:16,038 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 141 [2021-10-11 02:22:16,948 WARN L197 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 242 [2021-10-11 02:22:20,414 WARN L197 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 238 DAG size of output: 23 [2021-10-11 02:22:23,117 WARN L197 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 232 DAG size of output: 25 [2021-10-11 02:22:24,443 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 189 DAG size of output: 31 [2021-10-11 02:22:24,962 WARN L197 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2021-10-11 02:22:27,150 WARN L197 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 206 DAG size of output: 28 [2021-10-11 02:22:28,998 WARN L197 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 178 DAG size of output: 26 [2021-10-11 02:22:29,232 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-10-11 02:22:31,259 WARN L197 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 191 DAG size of output: 37 [2021-10-11 02:22:31,554 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 27 [2021-10-11 02:22:31,694 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21 [2021-10-11 02:22:32,043 WARN L197 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2021-10-11 02:22:34,069 WARN L197 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 191 DAG size of output: 37 [2021-10-11 02:22:35,002 WARN L197 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 29 [2021-10-11 02:22:36,168 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2021-10-11 02:22:39,198 WARN L197 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 238 DAG size of output: 23 [2021-10-11 02:22:39,226 INFO L262 CegarLoopResult]: For program point L960(lines 960 966) no Hoare annotation was computed. [2021-10-11 02:22:39,227 INFO L258 CegarLoopResult]: At program point L960-1(lines 960 966) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1))) [2021-10-11 02:22:39,227 INFO L262 CegarLoopResult]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,227 INFO L262 CegarLoopResult]: For program point L927-2(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,227 INFO L262 CegarLoopResult]: For program point L927-3(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,227 INFO L262 CegarLoopResult]: For program point L927-5(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,227 INFO L262 CegarLoopResult]: For program point L927-6(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,227 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-11 02:22:39,227 INFO L262 CegarLoopResult]: For program point L927-8(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,228 INFO L262 CegarLoopResult]: For program point L927-9(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,228 INFO L262 CegarLoopResult]: For program point L927-11(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,228 INFO L262 CegarLoopResult]: For program point L927-12(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,228 INFO L262 CegarLoopResult]: For program point L927-14(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,228 INFO L262 CegarLoopResult]: For program point L927-15(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,228 INFO L262 CegarLoopResult]: For program point L927-17(lines 927 931) no Hoare annotation was computed. [2021-10-11 02:22:39,228 INFO L262 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2021-10-11 02:22:39,229 INFO L258 CegarLoopResult]: At program point L333-1(lines 333 339) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse6) (and .cse0 .cse5 .cse2 .cse6))) [2021-10-11 02:22:39,229 INFO L258 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-10-11 02:22:39,229 INFO L258 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse6) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse2 .cse3 .cse6 .cse4))) [2021-10-11 02:22:39,229 INFO L258 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-10-11 02:22:39,229 INFO L258 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-10-11 02:22:39,230 INFO L258 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-10-11 02:22:39,230 INFO L262 CegarLoopResult]: For program point L997(lines 997 1014) no Hoare annotation was computed. [2021-10-11 02:22:39,230 INFO L258 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-10-11 02:22:39,230 INFO L258 CegarLoopResult]: At program point L997-1(lines 1 1017) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse5 .cse3) (and .cse0 .cse5 .cse2 .cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:22:39,230 INFO L262 CegarLoopResult]: For program point L997-2(lines 997 1014) no Hoare annotation was computed. [2021-10-11 02:22:39,230 INFO L258 CegarLoopResult]: At program point L997-3(lines 1 1017) the Hoare annotation is: false [2021-10-11 02:22:39,231 INFO L262 CegarLoopResult]: For program point L997-4(lines 997 1014) no Hoare annotation was computed. [2021-10-11 02:22:39,231 INFO L258 CegarLoopResult]: At program point L997-5(lines 1 1017) the Hoare annotation is: false [2021-10-11 02:22:39,231 INFO L258 CegarLoopResult]: At program point L933(lines 918 936) the Hoare annotation is: false [2021-10-11 02:22:39,231 INFO L258 CegarLoopResult]: At program point L933-1(lines 918 936) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse2 .cse4 .cse7 .cse6))) [2021-10-11 02:22:39,231 INFO L258 CegarLoopResult]: At program point L933-2(lines 918 936) the Hoare annotation is: false [2021-10-11 02:22:39,231 INFO L258 CegarLoopResult]: At program point L933-3(lines 918 936) the Hoare annotation is: false [2021-10-11 02:22:39,232 INFO L258 CegarLoopResult]: At program point L933-4(lines 918 936) the Hoare annotation is: false [2021-10-11 02:22:39,232 INFO L258 CegarLoopResult]: At program point L933-5(lines 918 936) the Hoare annotation is: false [2021-10-11 02:22:39,232 INFO L258 CegarLoopResult]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2021-10-11 02:22:39,232 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-11 02:22:39,232 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-11 02:22:39,232 INFO L262 CegarLoopResult]: For program point L1001(lines 1001 1011) no Hoare annotation was computed. [2021-10-11 02:22:39,232 INFO L262 CegarLoopResult]: For program point L1001-2(lines 1001 1011) no Hoare annotation was computed. [2021-10-11 02:22:39,233 INFO L258 CegarLoopResult]: At program point L869(lines 862 872) the Hoare annotation is: false [2021-10-11 02:22:39,233 INFO L262 CegarLoopResult]: For program point L1001-4(lines 1001 1011) no Hoare annotation was computed. [2021-10-11 02:22:39,233 INFO L258 CegarLoopResult]: At program point L869-1(lines 862 872) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:22:39,233 INFO L258 CegarLoopResult]: At program point L869-2(lines 862 872) the Hoare annotation is: false [2021-10-11 02:22:39,233 INFO L258 CegarLoopResult]: At program point L869-3(lines 862 872) the Hoare annotation is: false [2021-10-11 02:22:39,233 INFO L258 CegarLoopResult]: At program point L869-4(lines 862 872) the Hoare annotation is: false [2021-10-11 02:22:39,234 INFO L258 CegarLoopResult]: At program point L869-5(lines 862 872) the Hoare annotation is: false [2021-10-11 02:22:39,234 INFO L262 CegarLoopResult]: For program point L1002(lines 1002 1008) no Hoare annotation was computed. [2021-10-11 02:22:39,234 INFO L262 CegarLoopResult]: For program point L1002-2(lines 1002 1008) no Hoare annotation was computed. [2021-10-11 02:22:39,234 INFO L262 CegarLoopResult]: For program point L1002-4(lines 1002 1008) no Hoare annotation was computed. [2021-10-11 02:22:39,234 INFO L262 CegarLoopResult]: For program point L343(lines 343 358) no Hoare annotation was computed. [2021-10-11 02:22:39,234 INFO L262 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2021-10-11 02:22:39,234 INFO L262 CegarLoopResult]: For program point L178-1(lines 749 755) no Hoare annotation was computed. [2021-10-11 02:22:39,235 INFO L262 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-11 02:22:39,235 INFO L262 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2021-10-11 02:22:39,235 INFO L262 CegarLoopResult]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2021-10-11 02:22:39,235 INFO L262 CegarLoopResult]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2021-10-11 02:22:39,235 INFO L258 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32))))) [2021-10-11 02:22:39,235 INFO L258 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-10-11 02:22:39,235 INFO L258 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-10-11 02:22:39,236 INFO L262 CegarLoopResult]: For program point L314(lines 313 362) no Hoare annotation was computed. [2021-10-11 02:22:39,236 INFO L262 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-10-11 02:22:39,236 INFO L262 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2021-10-11 02:22:39,236 INFO L262 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2021-10-11 02:22:39,236 INFO L262 CegarLoopResult]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2021-10-11 02:22:39,236 INFO L262 CegarLoopResult]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2021-10-11 02:22:39,236 INFO L262 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2021-10-11 02:22:39,237 INFO L262 CegarLoopResult]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2021-10-11 02:22:39,237 INFO L262 CegarLoopResult]: For program point L844-6(lines 844 850) no Hoare annotation was computed. [2021-10-11 02:22:39,237 INFO L262 CegarLoopResult]: For program point L844-8(lines 844 850) no Hoare annotation was computed. [2021-10-11 02:22:39,237 INFO L262 CegarLoopResult]: For program point L844-10(lines 844 850) no Hoare annotation was computed. [2021-10-11 02:22:39,237 INFO L258 CegarLoopResult]: At program point L878(lines 873 881) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:39,237 INFO L258 CegarLoopResult]: At program point L878-1(lines 873 881) the Hoare annotation is: false [2021-10-11 02:22:39,237 INFO L258 CegarLoopResult]: At program point L878-2(lines 873 881) the Hoare annotation is: false [2021-10-11 02:22:39,238 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:22:39,238 INFO L262 CegarLoopResult]: For program point L351(lines 351 357) no Hoare annotation was computed. [2021-10-11 02:22:39,238 INFO L258 CegarLoopResult]: At program point L351-1(lines 749 755) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2 .cse4) (and .cse5 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1))) [2021-10-11 02:22:39,238 INFO L262 CegarLoopResult]: For program point L252(lines 252 259) no Hoare annotation was computed. [2021-10-11 02:22:39,238 INFO L265 CegarLoopResult]: At program point L252-1(lines 252 259) the Hoare annotation is: true [2021-10-11 02:22:39,238 INFO L262 CegarLoopResult]: For program point L946(lines 946 950) no Hoare annotation was computed. [2021-10-11 02:22:39,238 INFO L262 CegarLoopResult]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2021-10-11 02:22:39,239 INFO L262 CegarLoopResult]: For program point L946-3(lines 946 950) no Hoare annotation was computed. [2021-10-11 02:22:39,239 INFO L262 CegarLoopResult]: For program point L781(lines 781 798) no Hoare annotation was computed. [2021-10-11 02:22:39,239 INFO L262 CegarLoopResult]: For program point L946-5(lines 946 950) no Hoare annotation was computed. [2021-10-11 02:22:39,239 INFO L262 CegarLoopResult]: For program point L781-1(lines 781 798) no Hoare annotation was computed. [2021-10-11 02:22:39,239 INFO L262 CegarLoopResult]: For program point L946-6(lines 946 950) no Hoare annotation was computed. [2021-10-11 02:22:39,239 INFO L262 CegarLoopResult]: For program point L781-2(lines 781 798) no Hoare annotation was computed. [2021-10-11 02:22:39,239 INFO L262 CegarLoopResult]: For program point L781-3(lines 781 798) no Hoare annotation was computed. [2021-10-11 02:22:39,239 INFO L262 CegarLoopResult]: For program point L946-8(lines 946 950) no Hoare annotation was computed. [2021-10-11 02:22:39,240 INFO L262 CegarLoopResult]: For program point L781-4(lines 781 798) no Hoare annotation was computed. [2021-10-11 02:22:39,240 INFO L262 CegarLoopResult]: For program point L781-5(lines 781 798) no Hoare annotation was computed. [2021-10-11 02:22:39,240 INFO L258 CegarLoopResult]: At program point L749(lines 748 767) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5) (and .cse3 .cse0 .cse1) (and .cse0 .cse4 .cse5 .cse2))) [2021-10-11 02:22:39,240 INFO L262 CegarLoopResult]: For program point L749-1(lines 749 755) no Hoare annotation was computed. [2021-10-11 02:22:39,240 INFO L258 CegarLoopResult]: At program point L749-2(lines 748 767) the Hoare annotation is: false [2021-10-11 02:22:39,240 INFO L258 CegarLoopResult]: At program point L749-3(lines 748 767) the Hoare annotation is: false [2021-10-11 02:22:39,240 INFO L262 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:22:39,241 INFO L262 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:22:39,241 INFO L262 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:22:39,241 INFO L258 CegarLoopResult]: At program point L288(lines 1 1017) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:39,241 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:22:39,241 INFO L258 CegarLoopResult]: At program point L223(lines 219 225) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:39,241 INFO L262 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-11 02:22:39,241 INFO L262 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2021-10-11 02:22:39,241 INFO L262 CegarLoopResult]: For program point L157-2(line 157) no Hoare annotation was computed. [2021-10-11 02:22:39,242 INFO L262 CegarLoopResult]: For program point L785(lines 785 793) no Hoare annotation was computed. [2021-10-11 02:22:39,242 INFO L262 CegarLoopResult]: For program point L785-1(lines 785 793) no Hoare annotation was computed. [2021-10-11 02:22:39,242 INFO L262 CegarLoopResult]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2021-10-11 02:22:39,242 INFO L262 CegarLoopResult]: For program point L785-3(lines 785 793) no Hoare annotation was computed. [2021-10-11 02:22:39,242 INFO L262 CegarLoopResult]: For program point L785-4(lines 785 793) no Hoare annotation was computed. [2021-10-11 02:22:39,242 INFO L262 CegarLoopResult]: For program point L785-5(lines 785 793) no Hoare annotation was computed. [2021-10-11 02:22:39,242 INFO L262 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2021-10-11 02:22:39,243 INFO L258 CegarLoopResult]: At program point L323-1(lines 323 329) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse5 .cse3) (and .cse0 .cse5 .cse2 .cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:22:39,243 INFO L258 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2021-10-11 02:22:39,243 INFO L258 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:22:39,243 INFO L258 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-11 02:22:39,243 INFO L258 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-10-11 02:22:39,243 INFO L258 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-10-11 02:22:39,244 INFO L258 CegarLoopResult]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse2 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))))) (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (or .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)))) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32))) (.cse8 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse5 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse8 .cse0 .cse6 .cse1 .cse7 .cse4 .cse5) (and .cse8 .cse0 .cse1 .cse2 .cse4 .cse5)))) [2021-10-11 02:22:39,244 INFO L258 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-10-11 02:22:39,244 INFO L258 CegarLoopResult]: At program point L952-1(lines 937 955) the Hoare annotation is: false [2021-10-11 02:22:39,244 INFO L258 CegarLoopResult]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2021-10-11 02:22:39,244 INFO L258 CegarLoopResult]: At program point L952-2(lines 937 955) the Hoare annotation is: false [2021-10-11 02:22:39,244 INFO L258 CegarLoopResult]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2021-10-11 02:22:39,245 INFO L258 CegarLoopResult]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2021-10-11 02:22:39,245 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:22:39,245 INFO L258 CegarLoopResult]: At program point L986(lines 981 988) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:39,245 INFO L258 CegarLoopResult]: At program point L756(lines 756 762) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse2 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1))) [2021-10-11 02:22:39,245 INFO L258 CegarLoopResult]: At program point L756-1(lines 756 762) the Hoare annotation is: false [2021-10-11 02:22:39,245 INFO L258 CegarLoopResult]: At program point L756-2(lines 756 762) the Hoare annotation is: false [2021-10-11 02:22:39,245 INFO L265 CegarLoopResult]: At program point L261(lines 242 264) the Hoare annotation is: true [2021-10-11 02:22:39,246 INFO L258 CegarLoopResult]: At program point L296(lines 291 299) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:39,246 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:22:39,246 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-10-11 02:22:39,246 INFO L258 CegarLoopResult]: At program point L363(lines 312 364) the Hoare annotation is: false [2021-10-11 02:22:39,246 INFO L262 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:22:39,246 INFO L262 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:22:39,246 INFO L262 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:22:39,247 INFO L262 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:22:39,247 INFO L262 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:22:39,247 INFO L262 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:22:39,247 INFO L262 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-11 02:22:39,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:39 BoogieIcfgContainer [2021-10-11 02:22:39,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:39,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:39,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:39,285 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:39,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:47" (3/4) ... [2021-10-11 02:22:39,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:22:39,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:22:39,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:22:39,311 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:22:39,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:22:39,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:22:39,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:39,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:39,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:22:39,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:22:39,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2021-10-11 02:22:39,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && \result == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) [2021-10-11 02:22:39,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:22:39,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-11 02:22:39,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && (!(~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || \result == 0bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && (!(~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || \result == 0bv32)) && !(systemActive == 0bv32)) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:22:39,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32))) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:22:39,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 0bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:22:39,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 0bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:22:39,411 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322c191c-6653-4f24-8d0f-5729a07f060d/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:39,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:39,412 INFO L168 Benchmark]: Toolchain (without parser) took 55150.03 ms. Allocated memory was 48.2 MB in the beginning and 327.2 MB in the end (delta: 278.9 MB). Free memory was 22.8 MB in the beginning and 179.9 MB in the end (delta: -157.0 MB). Peak memory consumption was 121.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:39,413 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:39,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.23 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.6 MB in the beginning and 39.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:39,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.12 ms. Allocated memory is still 60.8 MB. Free memory was 39.7 MB in the beginning and 35.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:39,414 INFO L168 Benchmark]: Boogie Preprocessor took 56.64 ms. Allocated memory is still 60.8 MB. Free memory was 35.6 MB in the beginning and 32.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:39,414 INFO L168 Benchmark]: RCFGBuilder took 2564.40 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 50.2 MB in the end (delta: -17.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:39,415 INFO L168 Benchmark]: TraceAbstraction took 51687.89 ms. Allocated memory was 73.4 MB in the beginning and 327.2 MB in the end (delta: 253.8 MB). Free memory was 50.2 MB in the beginning and 192.4 MB in the end (delta: -142.3 MB). Peak memory consumption was 200.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:39,415 INFO L168 Benchmark]: Witness Printer took 126.32 ms. Allocated memory is still 327.2 MB. Free memory was 192.4 MB in the beginning and 179.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:39,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 606.23 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.6 MB in the beginning and 39.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.12 ms. Allocated memory is still 60.8 MB. Free memory was 39.7 MB in the beginning and 35.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.64 ms. Allocated memory is still 60.8 MB. Free memory was 35.6 MB in the beginning and 32.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2564.40 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 50.2 MB in the end (delta: -17.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51687.89 ms. Allocated memory was 73.4 MB in the beginning and 327.2 MB in the end (delta: 253.8 MB). Free memory was 50.2 MB in the beginning and 192.4 MB in the end (delta: -142.3 MB). Peak memory consumption was 200.3 MB. Max. memory is 16.1 GB. * Witness Printer took 126.32 ms. Allocated memory is still 327.2 MB. Free memory was 192.4 MB in the beginning and 179.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32))) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !~bvslt32(waterLevel, 2bv32))) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32))) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !~bvslt32(waterLevel, 2bv32))) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && (!(~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || \result == 0bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && (!(~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || \result == 0bv32)) && !(systemActive == 0bv32)) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 0bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && \result == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 0bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.8s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1828 SDtfs, 2376 SDslu, 3172 SDs, 0 SdLazy, 416 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1365 GetRequests, 1287 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=533occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 15 MinimizatonAttempts, 3749 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 187 NumberOfFragments, 992 HoareAnnotationTreeSize, 57 FomulaSimplifications, 17473399 FormulaSimplificationTreeSizeReduction, 8.4s HoareSimplificationTime, 57 FomulaSimplificationsInter, 3750085 FormulaSimplificationTreeSizeReductionInter, 22.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 952 NumberOfCodeBlocks, 952 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1315 ConstructedInterpolants, 0 QuantifiedInterpolants, 225377 SizeOfPredicates, 41 NumberOfNonLiveVariables, 4548 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 24 InterpolantComputations, 15 PerfectInterpolantSequences, 531/579 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...