./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf ............................................................................................................................................ 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_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:17:03,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:17:03,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:17:03,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:17:03,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:17:03,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:17:03,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:17:03,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:17:03,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:17:03,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:17:03,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:17:03,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:17:03,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:17:03,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:17:03,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:17:03,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:17:03,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:17:03,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:17:03,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:17:03,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:17:03,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:17:03,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:17:03,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:17:03,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:17:03,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:17:03,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:17:03,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:17:03,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:17:03,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:17:03,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:17:03,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:17:03,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:17:03,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:17:03,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:17:03,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:17:03,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:17:03,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:17:03,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:17:03,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:17:03,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:17:03,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:17:03,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:17:03,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:17:03,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:17:03,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:17:03,654 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:17:03,655 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:17:03,655 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:17:03,655 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:17:03,661 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:17:03,661 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:17:03,662 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:17:03,663 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:17:03,663 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:17:03,663 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:17:03,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:17:03,664 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:17:03,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:17:03,665 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:17:03,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:17:03,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:17:03,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:17:03,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:17:03,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:17:03,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:17:03,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:17:03,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:17:03,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:17:03,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:17:03,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:17:03,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:17:03,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:17:03,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:17:03,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:17:03,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:17:03,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:17:03,669 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:17:03,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:17:03,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:17:03,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:17:03,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:17:03,670 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_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2021-10-29 05:17:03,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:17:03,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:17:03,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:17:03,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:17:03,941 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:17:03,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-29 05:17:04,003 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data/3b014939a/1f830312847b4c21b46df61e322cd13e/FLAGc60e2b470 [2021-10-29 05:17:04,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:17:04,542 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-29 05:17:04,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data/3b014939a/1f830312847b4c21b46df61e322cd13e/FLAGc60e2b470 [2021-10-29 05:17:04,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data/3b014939a/1f830312847b4c21b46df61e322cd13e [2021-10-29 05:17:04,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:17:04,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:17:04,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:17:04,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:17:04,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:17:04,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:17:04" (1/1) ... [2021-10-29 05:17:04,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7411bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:04, skipping insertion in model container [2021-10-29 05:17:04,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:17:04" (1/1) ... [2021-10-29 05:17:04,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:17:04,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:17:05,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2021-10-29 05:17:05,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:17:05,257 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:17:05,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@24b64c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:05, skipping insertion in model container [2021-10-29 05:17:05,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:17:05,258 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:17:05,260 INFO L168 Benchmark]: Toolchain (without parser) took 385.64 ms. Allocated memory is still 127.9 MB. Free memory was 94.6 MB in the beginning and 99.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:05,261 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:17:05,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.18 ms. Allocated memory is still 127.9 MB. Free memory was 94.3 MB in the beginning and 99.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:05,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.18 ms. Allocated memory is still 127.9 MB. Free memory was 94.3 MB in the beginning and 99.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 575]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:17:07,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:17:07,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:17:07,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:17:07,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:17:07,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:17:07,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:17:07,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:17:07,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:17:07,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:17:07,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:17:07,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:17:07,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:17:07,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:17:07,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:17:07,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:17:07,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:17:07,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:17:07,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:17:07,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:17:07,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:17:07,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:17:07,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:17:07,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:17:07,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:17:07,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:17:07,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:17:07,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:17:07,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:17:07,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:17:07,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:17:07,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:17:07,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:17:07,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:17:07,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:17:07,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:17:07,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:17:07,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:17:07,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:17:07,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:17:07,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:17:07,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:17:07,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:17:07,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:17:07,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:17:07,722 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:17:07,722 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:17:07,722 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:17:07,723 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:17:07,723 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:17:07,723 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:17:07,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:17:07,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:17:07,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:17:07,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:17:07,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:17:07,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:17:07,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:17:07,726 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:17:07,727 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:17:07,727 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:17:07,727 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:17:07,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:17:07,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:17:07,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:17:07,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:17:07,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:17:07,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:17:07,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:17:07,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:17:07,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:17:07,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:17:07,731 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:17:07,731 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:17:07,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:17:07,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:17:07,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:17:07,732 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_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2021-10-29 05:17:08,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:17:08,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:17:08,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:17:08,145 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:17:08,146 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:17:08,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-29 05:17:08,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data/0a81b36de/4e79d405820740e288dd1d8dbfd6ed4c/FLAGa411c1eeb [2021-10-29 05:17:08,999 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:17:08,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-29 05:17:09,022 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data/0a81b36de/4e79d405820740e288dd1d8dbfd6ed4c/FLAGa411c1eeb [2021-10-29 05:17:09,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/data/0a81b36de/4e79d405820740e288dd1d8dbfd6ed4c [2021-10-29 05:17:09,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:17:09,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:17:09,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:17:09,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:17:09,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:17:09,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:09,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4efb3920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09, skipping insertion in model container [2021-10-29 05:17:09,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:09,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:17:09,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:17:09,607 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2021-10-29 05:17:09,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:17:09,732 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:17:09,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:17:09,765 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2021-10-29 05:17:09,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:17:09,797 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:17:09,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2021-10-29 05:17:09,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:17:09,898 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:17:09,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09 WrapperNode [2021-10-29 05:17:09,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:17:09,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:17:09,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:17:09,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:17:09,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:09,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:09,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:17:09,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:17:09,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:17:09,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:17:10,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:10,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:10,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:10,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:10,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:10,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:10,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:10,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:17:10,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:17:10,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:17:10,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:17:10,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (1/1) ... [2021-10-29 05:17:10,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:17:10,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:17:10,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:17:10,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:17:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:17:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:17:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:17:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:17:12,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:17:12,654 INFO L299 CfgBuilder]: Removed 122 assume(true) statements. [2021-10-29 05:17:12,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:17:12 BoogieIcfgContainer [2021-10-29 05:17:12,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:17:12,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:17:12,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:17:12,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:17:12,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:17:09" (1/3) ... [2021-10-29 05:17:12,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc0d686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:17:12, skipping insertion in model container [2021-10-29 05:17:12,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:09" (2/3) ... [2021-10-29 05:17:12,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc0d686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:17:12, skipping insertion in model container [2021-10-29 05:17:12,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:17:12" (3/3) ... [2021-10-29 05:17:12,664 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2021-10-29 05:17:12,669 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:17:12,669 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:17:12,715 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:17:12,721 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:17:12,721 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:17:12,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:17:12,743 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:12,743 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:12,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:12,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:12,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1623272414, now seen corresponding path program 1 times [2021-10-29 05:17:12,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:12,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849461757] [2021-10-29 05:17:12,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:12,764 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:12,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:12,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:12,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:17:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:13,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:17:13,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:13,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:13,192 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:13,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849461757] [2021-10-29 05:17:13,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849461757] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:13,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:13,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:17:13,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206142574] [2021-10-29 05:17:13,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:17:13,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:13,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:17:13,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:17:13,222 INFO L87 Difference]: Start difference. First operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:13,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:13,254 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2021-10-29 05:17:13,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:17:13,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:17:13,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:13,269 INFO L225 Difference]: With dead ends: 180 [2021-10-29 05:17:13,270 INFO L226 Difference]: Without dead ends: 89 [2021-10-29 05:17:13,274 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:17:13,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-29 05:17:13,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-10-29 05:17:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 88 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2021-10-29 05:17:13,323 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2021-10-29 05:17:13,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:13,324 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2021-10-29 05:17:13,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-10-29 05:17:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:17:13,326 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:13,327 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:13,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:13,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:13,542 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:13,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:13,543 INFO L85 PathProgramCache]: Analyzing trace with hash 352621777, now seen corresponding path program 1 times [2021-10-29 05:17:13,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:13,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834689294] [2021-10-29 05:17:13,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:13,545 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:13,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:13,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:17:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:13,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:17:13,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:13,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:13,985 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:13,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834689294] [2021-10-29 05:17:13,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834689294] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:13,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:13,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:17:13,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265266357] [2021-10-29 05:17:13,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:17:13,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:13,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:17:13,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:17:13,994 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:14,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:14,031 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2021-10-29 05:17:14,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:17:14,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:17:14,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:14,037 INFO L225 Difference]: With dead ends: 89 [2021-10-29 05:17:14,037 INFO L226 Difference]: Without dead ends: 39 [2021-10-29 05:17:14,038 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:17:14,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-29 05:17:14,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-29 05:17:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-10-29 05:17:14,045 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-10-29 05:17:14,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:14,046 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-10-29 05:17:14,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-10-29 05:17:14,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:17:14,047 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:14,047 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:14,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:14,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:14,258 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:14,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:14,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2021-10-29 05:17:14,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:14,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403257419] [2021-10-29 05:17:14,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:14,261 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:14,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:14,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:14,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:17:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:14,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:17:14,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:14,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:14,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:14,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403257419] [2021-10-29 05:17:14,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403257419] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:14,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:14,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:17:14,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104838749] [2021-10-29 05:17:14,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:17:14,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:14,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:17:14,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:17:14,608 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:14,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:14,650 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-10-29 05:17:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:17:14,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 05:17:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:14,651 INFO L225 Difference]: With dead ends: 72 [2021-10-29 05:17:14,652 INFO L226 Difference]: Without dead ends: 39 [2021-10-29 05:17:14,652 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:17:14,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-29 05:17:14,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-29 05:17:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-10-29 05:17:14,658 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-10-29 05:17:14,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:14,659 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-10-29 05:17:14,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-10-29 05:17:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:17:14,662 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:14,663 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:14,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:14,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:14,876 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:14,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:14,876 INFO L85 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2021-10-29 05:17:14,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:14,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713454994] [2021-10-29 05:17:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:14,878 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:14,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:14,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:14,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:17:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:15,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:17:15,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:15,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:15,217 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:15,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713454994] [2021-10-29 05:17:15,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713454994] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:15,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:15,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:17:15,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509927178] [2021-10-29 05:17:15,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:17:15,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:15,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:17:15,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:17:15,220 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:15,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:15,268 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-10-29 05:17:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:17:15,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-29 05:17:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:15,270 INFO L225 Difference]: With dead ends: 95 [2021-10-29 05:17:15,270 INFO L226 Difference]: Without dead ends: 62 [2021-10-29 05:17:15,270 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:17:15,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-29 05:17:15,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-10-29 05:17:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-10-29 05:17:15,280 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2021-10-29 05:17:15,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:15,280 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-10-29 05:17:15,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-10-29 05:17:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 05:17:15,282 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:15,282 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:15,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:15,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:15,495 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:15,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:15,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2021-10-29 05:17:15,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:15,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536794942] [2021-10-29 05:17:15,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:15,497 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:15,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:15,498 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:15,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:17:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:15,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:17:15,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:15,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:16,021 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:16,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536794942] [2021-10-29 05:17:16,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536794942] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:16,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:16,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:17:16,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562540868] [2021-10-29 05:17:16,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:17:16,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:16,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:17:16,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:17:16,025 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:16,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:16,403 INFO L93 Difference]: Finished difference Result 630 states and 923 transitions. [2021-10-29 05:17:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 05:17:16,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-29 05:17:16,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:16,409 INFO L225 Difference]: With dead ends: 630 [2021-10-29 05:17:16,409 INFO L226 Difference]: Without dead ends: 576 [2021-10-29 05:17:16,411 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:17:16,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2021-10-29 05:17:16,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 153. [2021-10-29 05:17:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.4013157894736843) internal successors, (213), 152 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:16,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 213 transitions. [2021-10-29 05:17:16,445 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 213 transitions. Word has length 31 [2021-10-29 05:17:16,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:16,445 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 213 transitions. [2021-10-29 05:17:16,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 213 transitions. [2021-10-29 05:17:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:17:16,448 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:16,448 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:16,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:16,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:16,661 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:16,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:16,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2021-10-29 05:17:16,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:16,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494578602] [2021-10-29 05:17:16,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:16,662 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:16,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:16,663 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:16,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:17:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:16,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:17:16,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:17,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:17,171 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:17,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494578602] [2021-10-29 05:17:17,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494578602] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:17,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:17,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:17:17,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148478207] [2021-10-29 05:17:17,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:17:17,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:17,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:17:17,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:17:17,174 INFO L87 Difference]: Start difference. First operand 153 states and 213 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:17,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:17,298 INFO L93 Difference]: Finished difference Result 453 states and 639 transitions. [2021-10-29 05:17:17,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:17:17,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-29 05:17:17,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:17,303 INFO L225 Difference]: With dead ends: 453 [2021-10-29 05:17:17,303 INFO L226 Difference]: Without dead ends: 352 [2021-10-29 05:17:17,304 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:17:17,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2021-10-29 05:17:17,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 155. [2021-10-29 05:17:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3896103896103895) internal successors, (214), 154 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2021-10-29 05:17:17,360 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2021-10-29 05:17:17,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:17,361 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2021-10-29 05:17:17,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2021-10-29 05:17:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:17:17,371 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:17,371 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:17,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:17,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:17,588 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:17,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:17,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2021-10-29 05:17:17,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:17,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20745627] [2021-10-29 05:17:17,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:17,590 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:17,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:17,591 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:17,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:17:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:17,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:17:17,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:17,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:18,037 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:18,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20745627] [2021-10-29 05:17:18,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20745627] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:18,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:18,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:17:18,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466675456] [2021-10-29 05:17:18,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:17:18,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:18,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:17:18,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:17:18,040 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:18,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:18,146 INFO L93 Difference]: Finished difference Result 538 states and 753 transitions. [2021-10-29 05:17:18,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:17:18,147 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-29 05:17:18,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:18,151 INFO L225 Difference]: With dead ends: 538 [2021-10-29 05:17:18,151 INFO L226 Difference]: Without dead ends: 389 [2021-10-29 05:17:18,154 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:17:18,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-10-29 05:17:18,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 161. [2021-10-29 05:17:18,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.36875) internal successors, (219), 160 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:18,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2021-10-29 05:17:18,188 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2021-10-29 05:17:18,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:18,188 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2021-10-29 05:17:18,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2021-10-29 05:17:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 05:17:18,191 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:18,191 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:18,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:18,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:18,404 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:18,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:18,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2021-10-29 05:17:18,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:18,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117375790] [2021-10-29 05:17:18,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:18,405 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:18,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:18,412 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:18,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:17:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:18,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:17:18,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:18,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:18,937 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:18,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117375790] [2021-10-29 05:17:18,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117375790] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:18,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:18,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:17:18,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542174089] [2021-10-29 05:17:18,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:17:18,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:18,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:17:18,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:17:18,940 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:19,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:19,272 INFO L93 Difference]: Finished difference Result 1196 states and 1615 transitions. [2021-10-29 05:17:19,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 05:17:19,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-29 05:17:19,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:19,280 INFO L225 Difference]: With dead ends: 1196 [2021-10-29 05:17:19,280 INFO L226 Difference]: Without dead ends: 1041 [2021-10-29 05:17:19,281 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-29 05:17:19,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2021-10-29 05:17:19,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 302. [2021-10-29 05:17:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.345514950166113) internal successors, (405), 301 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 405 transitions. [2021-10-29 05:17:19,354 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 405 transitions. Word has length 35 [2021-10-29 05:17:19,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:19,355 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 405 transitions. [2021-10-29 05:17:19,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 405 transitions. [2021-10-29 05:17:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 05:17:19,356 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:19,356 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:19,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:19,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:19,568 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:19,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:19,569 INFO L85 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2021-10-29 05:17:19,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:19,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701448923] [2021-10-29 05:17:19,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:19,570 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:19,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:19,571 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:19,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:17:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:19,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:17:19,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:19,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:20,047 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:20,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701448923] [2021-10-29 05:17:20,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701448923] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:20,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:20,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:17:20,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786822842] [2021-10-29 05:17:20,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:17:20,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:20,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:17:20,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:17:20,049 INFO L87 Difference]: Start difference. First operand 302 states and 405 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:22,908 INFO L93 Difference]: Finished difference Result 781 states and 1060 transitions. [2021-10-29 05:17:22,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 05:17:22,909 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-29 05:17:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:22,911 INFO L225 Difference]: With dead ends: 781 [2021-10-29 05:17:22,911 INFO L226 Difference]: Without dead ends: 211 [2021-10-29 05:17:22,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:17:22,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-29 05:17:22,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 155. [2021-10-29 05:17:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.2597402597402598) internal successors, (194), 154 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:22,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 194 transitions. [2021-10-29 05:17:22,965 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 194 transitions. Word has length 35 [2021-10-29 05:17:22,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:22,967 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 194 transitions. [2021-10-29 05:17:22,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 194 transitions. [2021-10-29 05:17:22,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:17:22,969 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:22,970 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:22,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:23,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:23,185 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:23,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:23,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2021-10-29 05:17:23,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:23,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594658614] [2021-10-29 05:17:23,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:23,186 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:23,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:23,187 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:23,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:17:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:23,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:17:23,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:23,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:23,666 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:23,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594658614] [2021-10-29 05:17:23,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594658614] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:23,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:23,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:17:23,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143591988] [2021-10-29 05:17:23,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:17:23,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:23,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:17:23,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:17:23,668 INFO L87 Difference]: Start difference. First operand 155 states and 194 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:24,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:17:24,890 INFO L93 Difference]: Finished difference Result 481 states and 596 transitions. [2021-10-29 05:17:24,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:17:24,890 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 05:17:24,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:17:24,891 INFO L225 Difference]: With dead ends: 481 [2021-10-29 05:17:24,891 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:17:24,893 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:17:24,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:17:24,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:17:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:17:24,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-10-29 05:17:24,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:17:24,895 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:17:24,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:17:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:17:24,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:17:24,898 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:17:24,899 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:17:24,899 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:17:24,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:17:25,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:17:25,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:17:25,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:25,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:26,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:27,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:28,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:17:35,195 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-10-29 05:17:35,195 INFO L857 garLoopResultBuilder]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2021-10-29 05:17:35,195 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2021-10-29 05:17:35,195 INFO L857 garLoopResultBuilder]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2021-10-29 05:17:35,196 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2021-10-29 05:17:35,196 INFO L853 garLoopResultBuilder]: At program point L928-1(lines 1 945) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv1 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse4) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) .cse3 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) .cse6 .cse7 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse7 .cse4))) [2021-10-29 05:17:35,196 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 941) no Hoare annotation was computed. [2021-10-29 05:17:35,196 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:17:35,196 INFO L853 garLoopResultBuilder]: At program point L928-3(lines 1 945) the Hoare annotation is: false [2021-10-29 05:17:35,196 INFO L857 garLoopResultBuilder]: For program point L928-4(lines 928 941) no Hoare annotation was computed. [2021-10-29 05:17:35,196 INFO L853 garLoopResultBuilder]: At program point L928-5(lines 1 945) the Hoare annotation is: false [2021-10-29 05:17:35,196 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2021-10-29 05:17:35,197 INFO L853 garLoopResultBuilder]: At program point L185-1(lines 185 191) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-29 05:17:35,197 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2021-10-29 05:17:35,197 INFO L857 garLoopResultBuilder]: For program point L269-1(lines 269 286) no Hoare annotation was computed. [2021-10-29 05:17:35,197 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-10-29 05:17:35,197 INFO L857 garLoopResultBuilder]: For program point L269-2(lines 269 286) no Hoare annotation was computed. [2021-10-29 05:17:35,197 INFO L853 garLoopResultBuilder]: At program point L203-2(lines 237 243) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-29 05:17:35,197 INFO L853 garLoopResultBuilder]: At program point L484(lines 479 487) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= ~waterLevel~0 (_ bv2 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-29 05:17:35,198 INFO L853 garLoopResultBuilder]: At program point L484-1(lines 479 487) the Hoare annotation is: false [2021-10-29 05:17:35,198 INFO L853 garLoopResultBuilder]: At program point L484-2(lines 479 487) the Hoare annotation is: false [2021-10-29 05:17:35,198 INFO L853 garLoopResultBuilder]: At program point L534(lines 1 945) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:17:35,198 INFO L853 garLoopResultBuilder]: At program point L237(lines 236 255) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-29 05:17:35,199 INFO L857 garLoopResultBuilder]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2021-10-29 05:17:35,199 INFO L853 garLoopResultBuilder]: At program point L237-2(lines 236 255) the Hoare annotation is: false [2021-10-29 05:17:35,199 INFO L853 garLoopResultBuilder]: At program point L237-3(lines 236 255) the Hoare annotation is: false [2021-10-29 05:17:35,199 INFO L853 garLoopResultBuilder]: At program point L452(lines 447 455) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (not (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse12 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10 .cse11 .cse6) (and .cse0 .cse2 .cse4 .cse5 .cse12 .cse13 .cse6) (and .cse7 .cse0 .cse8 .cse4 .cse9 .cse10 .cse11 .cse12 .cse13 .cse6))) [2021-10-29 05:17:35,200 INFO L853 garLoopResultBuilder]: At program point L452-1(lines 447 455) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse2) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) .cse2 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) .cse4 .cse5 .cse3))) [2021-10-29 05:17:35,201 INFO L853 garLoopResultBuilder]: At program point L452-2(lines 447 455) the Hoare annotation is: false [2021-10-29 05:17:35,201 INFO L853 garLoopResultBuilder]: At program point L452-3(lines 447 455) the Hoare annotation is: false [2021-10-29 05:17:35,201 INFO L853 garLoopResultBuilder]: At program point L452-4(lines 447 455) the Hoare annotation is: false [2021-10-29 05:17:35,201 INFO L853 garLoopResultBuilder]: At program point L452-5(lines 447 455) the Hoare annotation is: false [2021-10-29 05:17:35,201 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2021-10-29 05:17:35,202 INFO L857 garLoopResultBuilder]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2021-10-29 05:17:35,202 INFO L857 garLoopResultBuilder]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2021-10-29 05:17:35,203 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-29 05:17:35,203 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-29 05:17:35,211 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:17:35,211 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 312) no Hoare annotation was computed. [2021-10-29 05:17:35,211 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2021-10-29 05:17:35,211 INFO L857 garLoopResultBuilder]: For program point L273-1(lines 273 281) no Hoare annotation was computed. [2021-10-29 05:17:35,211 INFO L857 garLoopResultBuilder]: For program point L306-2(lines 306 312) no Hoare annotation was computed. [2021-10-29 05:17:35,212 INFO L857 garLoopResultBuilder]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2021-10-29 05:17:35,212 INFO L857 garLoopResultBuilder]: For program point L306-4(lines 306 312) no Hoare annotation was computed. [2021-10-29 05:17:35,212 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 393) no Hoare annotation was computed. [2021-10-29 05:17:35,212 INFO L857 garLoopResultBuilder]: For program point L389-2(lines 389 393) no Hoare annotation was computed. [2021-10-29 05:17:35,212 INFO L857 garLoopResultBuilder]: For program point L389-3(lines 389 393) no Hoare annotation was computed. [2021-10-29 05:17:35,212 INFO L857 garLoopResultBuilder]: For program point L389-5(lines 389 393) no Hoare annotation was computed. [2021-10-29 05:17:35,213 INFO L857 garLoopResultBuilder]: For program point L389-6(lines 389 393) no Hoare annotation was computed. [2021-10-29 05:17:35,213 INFO L857 garLoopResultBuilder]: For program point L389-8(lines 389 393) no Hoare annotation was computed. [2021-10-29 05:17:35,213 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-10-29 05:17:35,213 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2021-10-29 05:17:35,213 INFO L853 garLoopResultBuilder]: At program point L340(lines 335 343) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-29 05:17:35,213 INFO L853 garLoopResultBuilder]: At program point L340-1(lines 335 343) the Hoare annotation is: false [2021-10-29 05:17:35,213 INFO L853 garLoopResultBuilder]: At program point L340-2(lines 335 343) the Hoare annotation is: false [2021-10-29 05:17:35,213 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-10-29 05:17:35,216 INFO L853 garLoopResultBuilder]: At program point L175-1(lines 175 181) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-29 05:17:35,216 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:17:35,216 INFO L857 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-29 05:17:35,216 INFO L857 garLoopResultBuilder]: For program point L507-1(line 507) no Hoare annotation was computed. [2021-10-29 05:17:35,216 INFO L857 garLoopResultBuilder]: For program point L507-2(line 507) no Hoare annotation was computed. [2021-10-29 05:17:35,216 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-29 05:17:35,217 INFO L853 garLoopResultBuilder]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 .cse2 .cse1 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse1 .cse4) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4))) [2021-10-29 05:17:35,217 INFO L853 garLoopResultBuilder]: At program point L244-1(lines 244 250) the Hoare annotation is: false [2021-10-29 05:17:35,217 INFO L853 garLoopResultBuilder]: At program point L244-2(lines 244 250) the Hoare annotation is: false [2021-10-29 05:17:35,217 INFO L857 garLoopResultBuilder]: For program point L492(lines 492 498) no Hoare annotation was computed. [2021-10-29 05:17:35,217 INFO L857 garLoopResultBuilder]: For program point L492-1(lines 492 498) no Hoare annotation was computed. [2021-10-29 05:17:35,218 INFO L857 garLoopResultBuilder]: For program point L492-2(lines 492 498) no Hoare annotation was computed. [2021-10-29 05:17:35,218 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 208) no Hoare annotation was computed. [2021-10-29 05:17:35,218 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-29 05:17:35,218 INFO L853 garLoopResultBuilder]: At program point L542(lines 537 545) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:17:35,218 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed. [2021-10-29 05:17:35,219 INFO L857 garLoopResultBuilder]: For program point L922-2(lines 922 942) no Hoare annotation was computed. [2021-10-29 05:17:35,219 INFO L857 garLoopResultBuilder]: For program point L922-4(lines 922 942) no Hoare annotation was computed. [2021-10-29 05:17:35,219 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:17:35,219 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 431) no Hoare annotation was computed. [2021-10-29 05:17:35,219 INFO L853 garLoopResultBuilder]: At program point L213(lines 164 214) the Hoare annotation is: false [2021-10-29 05:17:35,220 INFO L853 garLoopResultBuilder]: At program point L395(lines 380 398) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse9 .cse3 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse7))) [2021-10-29 05:17:35,220 INFO L853 garLoopResultBuilder]: At program point L395-1(lines 380 398) the Hoare annotation is: false [2021-10-29 05:17:35,220 INFO L853 garLoopResultBuilder]: At program point L395-2(lines 380 398) the Hoare annotation is: false [2021-10-29 05:17:35,220 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:17:35,221 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2021-10-29 05:17:35,221 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-29 05:17:35,221 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 237 243) no Hoare annotation was computed. [2021-10-29 05:17:35,221 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-29 05:17:35,222 INFO L853 garLoopResultBuilder]: At program point L331(lines 324 334) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse6 (not (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)))) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse13 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse1 .cse3 .cse9 .cse4 .cse5 .cse10 .cse11 .cse12 .cse7) (and .cse0 .cse2 .cse5 .cse6 .cse13 .cse14 .cse7) (and .cse8 .cse0 .cse9 .cse5 .cse10 .cse11 .cse12 .cse13 .cse14 .cse7))) [2021-10-29 05:17:35,222 INFO L853 garLoopResultBuilder]: At program point L331-1(lines 324 334) the Hoare annotation is: false [2021-10-29 05:17:35,222 INFO L853 garLoopResultBuilder]: At program point L331-2(lines 324 334) the Hoare annotation is: false [2021-10-29 05:17:35,222 INFO L857 garLoopResultBuilder]: For program point L166(lines 165 212) no Hoare annotation was computed. [2021-10-29 05:17:35,223 INFO L853 garLoopResultBuilder]: At program point L497(lines 488 501) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse2 .cse5 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse4))) [2021-10-29 05:17:35,223 INFO L853 garLoopResultBuilder]: At program point L497-1(lines 488 501) the Hoare annotation is: false [2021-10-29 05:17:35,223 INFO L853 garLoopResultBuilder]: At program point L497-2(lines 488 501) the Hoare annotation is: false [2021-10-29 05:17:35,223 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-10-29 05:17:35,227 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:17:35,229 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:17:35,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:17:35 BoogieIcfgContainer [2021-10-29 05:17:35,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:17:35,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:17:35,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:17:35,301 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:17:35,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:17:12" (3/4) ... [2021-10-29 05:17:35,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:17:35,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:17:35,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:17:35,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:17:35,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:17:35,346 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:17:35,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:17:35,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:17:35,385 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 1bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:17:35,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:17:35,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:17:35,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:17:35,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:17:35,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:17:35,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:17:35,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && 1bv32 == \result [2021-10-29 05:17:35,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:17:35,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:17:35,439 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:17:35,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:17:35,442 INFO L168 Benchmark]: Toolchain (without parser) took 26221.01 ms. Allocated memory was 52.4 MB in the beginning and 157.3 MB in the end (delta: 104.9 MB). Free memory was 27.9 MB in the beginning and 113.1 MB in the end (delta: -85.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:35,442 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory is still 33.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:17:35,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.17 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 27.7 MB in the beginning and 41.4 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:35,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.16 ms. Allocated memory is still 73.4 MB. Free memory was 41.2 MB in the beginning and 38.1 MB in the end (delta: 3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:17:35,444 INFO L168 Benchmark]: Boogie Preprocessor took 49.23 ms. Allocated memory is still 73.4 MB. Free memory was 38.1 MB in the beginning and 52.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:35,444 INFO L168 Benchmark]: RCFGBuilder took 2614.89 ms. Allocated memory is still 73.4 MB. Free memory was 52.6 MB in the beginning and 42.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:35,445 INFO L168 Benchmark]: TraceAbstraction took 22642.34 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 41.9 MB in the beginning and 120.4 MB in the end (delta: -78.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:35,445 INFO L168 Benchmark]: Witness Printer took 139.45 ms. Allocated memory is still 157.3 MB. Free memory was 120.4 MB in the beginning and 113.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:35,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory is still 33.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 678.17 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 27.7 MB in the beginning and 41.4 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.16 ms. Allocated memory is still 73.4 MB. Free memory was 41.2 MB in the beginning and 38.1 MB in the end (delta: 3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.23 ms. Allocated memory is still 73.4 MB. Free memory was 38.1 MB in the beginning and 52.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2614.89 ms. Allocated memory is still 73.4 MB. Free memory was 52.6 MB in the beginning and 42.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22642.34 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 41.9 MB in the beginning and 120.4 MB in the end (delta: -78.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 16.1 GB. * Witness Printer took 139.45 ms. Allocated memory is still 157.3 MB. Free memory was 120.4 MB in the beginning and 113.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 507]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 507]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 507]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 962 SDtfs, 1931 SDslu, 2380 SDs, 0 SdLazy, 314 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 589 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=8, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1645 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 304 NumberOfFragments, 934 HoareAnnotationTreeSize, 40 FomulaSimplifications, 711131 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 40 FomulaSimplificationsInter, 67596 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 554 ConstructedInterpolants, 0 QuantifiedInterpolants, 962 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2095 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && 1bv32 == \result - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 1bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:17:35,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efd4b626-bb7b-4fcb-83e7-7ec3216f3f7b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...