./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/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 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d ............................................................................................................................................ 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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/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 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:59:44,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:59:44,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:59:44,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:59:44,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:59:44,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:59:44,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:59:44,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:59:44,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:59:44,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:59:44,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:59:44,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:59:44,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:59:44,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:59:44,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:59:44,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:59:44,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:59:44,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:59:44,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:59:44,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:59:44,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:59:44,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:59:44,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:59:44,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:59:44,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:59:44,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:59:44,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:59:44,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:59:44,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:59:44,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:59:44,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:59:44,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:59:44,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:59:44,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:59:44,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:59:44,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:59:44,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:59:44,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:59:44,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:59:44,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:59:44,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:59:44,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:59:44,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:59:44,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:59:44,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:59:44,638 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:59:44,638 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:59:44,638 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:59:44,639 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:59:44,639 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:59:44,646 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:59:44,647 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:59:44,648 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:59:44,648 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:59:44,649 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:59:44,649 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:59:44,649 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:59:44,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:59:44,650 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:59:44,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:59:44,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:59:44,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:59:44,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:59:44,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:59:44,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:59:44,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:59:44,652 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:59:44,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:59:44,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:59:44,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:59:44,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:59:44,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:59:44,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:59:44,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:59:44,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:59:44,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:59:44,655 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:59:44,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:59:44,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:59:44,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:59:44,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:59:44,656 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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d [2021-10-29 05:59:44,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:59:44,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:59:45,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:59:45,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:59:45,004 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:59:45,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-10-29 05:59:45,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data/e18b43caf/6a26d5945bde45d4a5ff5e5397e0a258/FLAG8764a9635 [2021-10-29 05:59:45,656 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:59:45,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-10-29 05:59:45,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data/e18b43caf/6a26d5945bde45d4a5ff5e5397e0a258/FLAG8764a9635 [2021-10-29 05:59:45,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data/e18b43caf/6a26d5945bde45d4a5ff5e5397e0a258 [2021-10-29 05:59:45,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:59:45,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:59:45,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:59:45,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:59:45,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:59:45,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:59:45" (1/1) ... [2021-10-29 05:59:45,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73df343a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:45, skipping insertion in model container [2021-10-29 05:59:45,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:59:45" (1/1) ... [2021-10-29 05:59:46,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:59:46,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:59:46,517 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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2021-10-29 05:59:46,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:59:46,537 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 05:59:46,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@289d2160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:46, skipping insertion in model container [2021-10-29 05:59:46,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:59:46,539 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:59:46,541 INFO L168 Benchmark]: Toolchain (without parser) took 561.56 ms. Allocated memory is still 102.8 MB. Free memory was 61.9 MB in the beginning and 74.4 MB in the end (delta: -12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:59:46,556 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 102.8 MB. Free memory is still 79.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:59:46,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.05 ms. Allocated memory is still 102.8 MB. Free memory was 61.7 MB in the beginning and 74.4 MB in the end (delta: -12.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:59:46,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 102.8 MB. Free memory is still 79.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.05 ms. Allocated memory is still 102.8 MB. Free memory was 61.7 MB in the beginning and 74.4 MB in the end (delta: -12.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 116]: 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 05:59:49,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:59:49,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:59:49,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:59:49,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:59:49,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:59:49,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:59:49,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:59:49,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:59:49,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:59:49,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:59:49,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:59:49,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:59:49,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:59:49,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:59:49,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:59:49,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:59:49,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:59:49,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:59:49,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:59:49,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:59:49,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:59:49,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:59:49,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:59:49,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:59:49,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:59:49,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:59:49,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:59:49,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:59:49,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:59:49,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:59:49,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:59:49,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:59:49,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:59:49,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:59:49,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:59:49,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:59:49,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:59:49,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:59:49,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:59:49,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:59:49,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:59:49,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:59:49,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:59:49,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:59:49,370 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:59:49,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:59:49,370 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:59:49,371 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:59:49,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:59:49,371 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:59:49,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:59:49,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:59:49,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:59:49,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:59:49,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:59:49,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:59:49,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:59:49,373 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:59:49,373 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:59:49,374 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:59:49,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:59:49,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:59:49,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:59:49,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:59:49,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:59:49,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:59:49,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:59:49,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:59:49,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:59:49,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:59:49,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:59:49,376 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:59:49,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:59:49,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:59:49,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:59:49,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:59:49,377 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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d [2021-10-29 05:59:49,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:59:49,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:59:49,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:59:49,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:59:49,778 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:59:49,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-10-29 05:59:49,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data/61144cba5/5d187f9c57a54af7a23d39f8958152b4/FLAG3b030b356 [2021-10-29 05:59:50,494 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:59:50,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-10-29 05:59:50,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data/61144cba5/5d187f9c57a54af7a23d39f8958152b4/FLAG3b030b356 [2021-10-29 05:59:50,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/data/61144cba5/5d187f9c57a54af7a23d39f8958152b4 [2021-10-29 05:59:50,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:59:50,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:59:50,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:59:50,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:59:50,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:59:50,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:59:50" (1/1) ... [2021-10-29 05:59:50,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334130ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:50, skipping insertion in model container [2021-10-29 05:59:50,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:59:50" (1/1) ... [2021-10-29 05:59:50,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:59:50,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:59:51,308 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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2021-10-29 05:59:51,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:59:51,339 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:59:51,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:59:51,479 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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2021-10-29 05:59:51,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:59:51,490 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:59:51,603 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_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2021-10-29 05:59:51,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:59:51,656 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:59:51,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51 WrapperNode [2021-10-29 05:59:51,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:59:51,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:59:51,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:59:51,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:59:51,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:59:51,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:59:51,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:59:51,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:59:51,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:59:51,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:59:51,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:59:51,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:59:51,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (1/1) ... [2021-10-29 05:59:51,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:59:51,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:59:51,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:59:51,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:59:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:59:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:59:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:59:52,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:59:54,453 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:59:54,453 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-29 05:59:54,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:59:54 BoogieIcfgContainer [2021-10-29 05:59:54,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:59:54,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:59:54,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:59:54,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:59:54,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:59:50" (1/3) ... [2021-10-29 05:59:54,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40345884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:59:54, skipping insertion in model container [2021-10-29 05:59:54,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:59:51" (2/3) ... [2021-10-29 05:59:54,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40345884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:59:54, skipping insertion in model container [2021-10-29 05:59:54,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:59:54" (3/3) ... [2021-10-29 05:59:54,480 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2021-10-29 05:59:54,485 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:59:54,501 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:59:54,597 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:59:54,603 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 05:59:54,604 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:59:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 129 states have (on average 1.5426356589147288) internal successors, (199), 132 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:59:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:59:54,664 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:59:54,665 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 05:59:54,666 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 05:59:54,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:59:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash 849715888, now seen corresponding path program 1 times [2021-10-29 05:59:54,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:59:54,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048256592] [2021-10-29 05:59:54,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:59:54,702 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:59:54,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:59:54,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:59:54,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:59:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:59:54,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:59:54,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:59:55,077 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 05:59:55,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:59:55,171 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 05:59:55,172 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:59:55,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048256592] [2021-10-29 05:59:55,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048256592] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:59:55,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:59:55,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:59:55,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133616029] [2021-10-29 05:59:55,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:59:55,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:59:55,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:59:55,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:59:55,209 INFO L87 Difference]: Start difference. First operand has 133 states, 129 states have (on average 1.5426356589147288) internal successors, (199), 132 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 05:59:55,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:59:55,270 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2021-10-29 05:59:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:59:55,272 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 05:59:55,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:59:55,284 INFO L225 Difference]: With dead ends: 259 [2021-10-29 05:59:55,284 INFO L226 Difference]: Without dead ends: 129 [2021-10-29 05:59:55,288 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 05:59:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-10-29 05:59:55,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-10-29 05:59:55,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 126 states have (on average 1.4841269841269842) internal successors, (187), 128 states have internal predecessors, (187), 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 05:59:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2021-10-29 05:59:55,334 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2021-10-29 05:59:55,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:59:55,334 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2021-10-29 05:59:55,335 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 05:59:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2021-10-29 05:59:55,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:59:55,337 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:59:55,337 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:59:55,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:59:55,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:59:55,545 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 05:59:55,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:59:55,546 INFO L85 PathProgramCache]: Analyzing trace with hash 2136736995, now seen corresponding path program 1 times [2021-10-29 05:59:55,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:59:55,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008075514] [2021-10-29 05:59:55,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:59:55,549 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:59:55,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:59:55,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:59:55,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:59:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:59:55,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:59:55,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:59:55,844 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 05:59:55,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:59:55,943 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 05:59:55,944 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:59:55,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008075514] [2021-10-29 05:59:55,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008075514] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:59:55,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:59:55,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:59:55,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836050236] [2021-10-29 05:59:55,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:59:55,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:59:55,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:59:55,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:59:55,956 INFO L87 Difference]: Start difference. First operand 129 states and 187 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 05:59:55,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:59:55,998 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2021-10-29 05:59:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:59:55,999 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 05:59:56,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:59:56,001 INFO L225 Difference]: With dead ends: 129 [2021-10-29 05:59:56,002 INFO L226 Difference]: Without dead ends: 53 [2021-10-29 05:59:56,004 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 05:59:56,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-29 05:59:56,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-29 05:59:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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 05:59:56,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-29 05:59:56,017 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-10-29 05:59:56,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:59:56,018 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-29 05:59:56,019 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 05:59:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-29 05:59:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:59:56,020 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:59:56,025 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 05:59:56,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:59:56,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:59:56,245 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 05:59:56,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:59:56,245 INFO L85 PathProgramCache]: Analyzing trace with hash -2062368201, now seen corresponding path program 1 times [2021-10-29 05:59:56,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:59:56,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558015774] [2021-10-29 05:59:56,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:59:56,247 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:59:56,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:59:56,249 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:59:56,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:59:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:59:56,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:59:56,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:59:56,606 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 05:59:56,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:59:56,695 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 05:59:56,695 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:59:56,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558015774] [2021-10-29 05:59:56,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558015774] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:59:56,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:59:56,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:59:56,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55761114] [2021-10-29 05:59:56,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:59:56,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:59:56,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:59:56,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:59:56,699 INFO L87 Difference]: Start difference. First operand 53 states and 76 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 05:59:56,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:59:56,746 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2021-10-29 05:59:56,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:59:56,747 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 05:59:56,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:59:56,749 INFO L225 Difference]: With dead ends: 99 [2021-10-29 05:59:56,749 INFO L226 Difference]: Without dead ends: 53 [2021-10-29 05:59:56,750 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 05:59:56,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-29 05:59:56,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-29 05:59:56,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:59:56,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-29 05:59:56,759 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-10-29 05:59:56,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:59:56,759 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-29 05:59:56,760 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 05:59:56,760 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-29 05:59:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:59:56,761 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:59:56,762 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:59:56,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:59:56,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:59:56,982 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 05:59:56,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:59:56,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2079031545, now seen corresponding path program 1 times [2021-10-29 05:59:56,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:59:56,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668501430] [2021-10-29 05:59:56,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:59:56,984 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:59:56,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:59:56,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:59:56,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:59:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:59:57,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:59:57,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:59:57,340 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 05:59:57,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:59:57,405 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 05:59:57,406 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:59:57,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668501430] [2021-10-29 05:59:57,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668501430] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:59:57,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:59:57,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:59:57,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401133418] [2021-10-29 05:59:57,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:59:57,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:59:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:59:57,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:59:57,410 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:59:57,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:59:57,474 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2021-10-29 05:59:57,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:59:57,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 05:59:57,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:59:57,476 INFO L225 Difference]: With dead ends: 121 [2021-10-29 05:59:57,477 INFO L226 Difference]: Without dead ends: 75 [2021-10-29 05:59:57,477 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:59:57,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-29 05:59:57,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-29 05:59:57,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 72 states have internal predecessors, (103), 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 05:59:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2021-10-29 05:59:57,489 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2021-10-29 05:59:57,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:59:57,490 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2021-10-29 05:59:57,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:59:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2021-10-29 05:59:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:59:57,492 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:59:57,492 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 05:59:57,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:59:57,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:59:57,708 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 05:59:57,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:59:57,708 INFO L85 PathProgramCache]: Analyzing trace with hash -449932985, now seen corresponding path program 1 times [2021-10-29 05:59:57,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:59:57,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812563589] [2021-10-29 05:59:57,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:59:57,710 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:59:57,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:59:57,711 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:59:57,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:59:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:59:57,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:59:57,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:59:58,073 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 05:59:58,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:59:58,167 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 05:59:58,168 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:59:58,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812563589] [2021-10-29 05:59:58,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812563589] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:59:58,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:59:58,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:59:58,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634840965] [2021-10-29 05:59:58,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:59:58,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:59:58,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:59:58,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:59:58,171 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 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 05:59:58,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:59:58,257 INFO L93 Difference]: Finished difference Result 263 states and 377 transitions. [2021-10-29 05:59:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:59:58,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 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 32 [2021-10-29 05:59:58,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:59:58,262 INFO L225 Difference]: With dead ends: 263 [2021-10-29 05:59:58,262 INFO L226 Difference]: Without dead ends: 197 [2021-10-29 05:59:58,264 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:59:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-29 05:59:58,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2021-10-29 05:59:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 76 states have internal predecessors, (107), 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 05:59:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2021-10-29 05:59:58,289 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2021-10-29 05:59:58,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:59:58,290 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2021-10-29 05:59:58,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 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 05:59:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2021-10-29 05:59:58,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:59:58,292 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:59:58,292 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 05:59:58,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:59:58,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:59:58,511 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 05:59:58,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:59:58,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1150997563, now seen corresponding path program 1 times [2021-10-29 05:59:58,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:59:58,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029819535] [2021-10-29 05:59:58,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:59:58,513 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:59:58,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:59:58,525 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:59:58,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:59:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:59:58,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:59:58,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:59:58,970 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 05:59:58,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:59:59,113 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 05:59:59,113 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:59:59,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029819535] [2021-10-29 05:59:59,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029819535] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:59:59,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:59:59,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:59:59,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973094979] [2021-10-29 05:59:59,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:59:59,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:59:59,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:59:59,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:59:59,116 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:59:59,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:59:59,333 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2021-10-29 05:59:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:59:59,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-29 05:59:59,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:59:59,338 INFO L225 Difference]: With dead ends: 364 [2021-10-29 05:59:59,338 INFO L226 Difference]: Without dead ends: 294 [2021-10-29 05:59:59,341 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:59:59,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-29 05:59:59,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2021-10-29 05:59:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.391304347826087) internal successors, (192), 138 states have internal predecessors, (192), 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 05:59:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2021-10-29 05:59:59,392 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2021-10-29 05:59:59,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:59:59,393 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2021-10-29 05:59:59,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:59:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2021-10-29 05:59:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:59:59,399 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:59:59,399 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] [2021-10-29 05:59:59,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:59:59,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:59:59,606 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 05:59:59,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:59:59,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1151154099, now seen corresponding path program 1 times [2021-10-29 05:59:59,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:59:59,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639517614] [2021-10-29 05:59:59,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:59:59,607 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:59:59,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:59:59,609 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:59:59,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:59:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:59:59,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:59:59,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:00,014 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 06:00:00,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:00,122 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 06:00:00,122 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:00,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639517614] [2021-10-29 06:00:00,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639517614] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:00,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:00,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 06:00:00,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838704363] [2021-10-29 06:00:00,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 06:00:00,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:00,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 06:00:00,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 06:00:00,125 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:00,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:00,366 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2021-10-29 06:00:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 06:00:00,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 06:00:00,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:00,370 INFO L225 Difference]: With dead ends: 526 [2021-10-29 06:00:00,370 INFO L226 Difference]: Without dead ends: 394 [2021-10-29 06:00:00,371 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 06:00:00,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-10-29 06:00:00,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2021-10-29 06:00:00,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3795620437956204) internal successors, (189), 137 states have internal predecessors, (189), 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 06:00:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2021-10-29 06:00:00,399 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2021-10-29 06:00:00,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:00,400 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2021-10-29 06:00:00,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2021-10-29 06:00:00,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 06:00:00,402 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:00,402 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 06:00:00,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 06:00:00,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:00,621 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 06:00:00,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:00,621 INFO L85 PathProgramCache]: Analyzing trace with hash -59777108, now seen corresponding path program 1 times [2021-10-29 06:00:00,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:00,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479479162] [2021-10-29 06:00:00,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:00,622 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:00,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:00,627 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:00,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 06:00:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:00,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 06:00:00,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:01,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:01,185 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 06:00:01,186 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:01,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479479162] [2021-10-29 06:00:01,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479479162] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:01,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:01,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 06:00:01,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522862580] [2021-10-29 06:00:01,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 06:00:01,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:01,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 06:00:01,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 06:00:01,188 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:01,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:01,298 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2021-10-29 06:00:01,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 06:00:01,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 06:00:01,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:01,301 INFO L225 Difference]: With dead ends: 355 [2021-10-29 06:00:01,301 INFO L226 Difference]: Without dead ends: 224 [2021-10-29 06:00:01,303 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 06:00:01,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-29 06:00:01,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2021-10-29 06:00:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 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 06:00:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2021-10-29 06:00:01,332 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2021-10-29 06:00:01,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:01,332 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2021-10-29 06:00:01,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2021-10-29 06:00:01,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 06:00:01,337 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:01,338 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 06:00:01,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 06:00:01,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:01,559 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 06:00:01,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:01,560 INFO L85 PathProgramCache]: Analyzing trace with hash -2091962712, now seen corresponding path program 1 times [2021-10-29 06:00:01,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:01,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681367532] [2021-10-29 06:00:01,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:01,561 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:01,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:01,562 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:01,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 06:00:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:01,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 06:00:01,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:02,008 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 06:00:02,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:02,142 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 06:00:02,142 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:02,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681367532] [2021-10-29 06:00:02,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681367532] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:02,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:02,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 06:00:02,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7684882] [2021-10-29 06:00:02,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 06:00:02,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:02,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 06:00:02,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:00:02,145 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:02,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:02,227 INFO L93 Difference]: Finished difference Result 446 states and 601 transitions. [2021-10-29 06:00:02,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 06:00:02,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 06:00:02,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:02,230 INFO L225 Difference]: With dead ends: 446 [2021-10-29 06:00:02,231 INFO L226 Difference]: Without dead ends: 303 [2021-10-29 06:00:02,231 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:00:02,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-10-29 06:00:02,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 251. [2021-10-29 06:00:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.336) internal successors, (334), 250 states have internal predecessors, (334), 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 06:00:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 334 transitions. [2021-10-29 06:00:02,290 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 334 transitions. Word has length 36 [2021-10-29 06:00:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:02,291 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 334 transitions. [2021-10-29 06:00:02,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 334 transitions. [2021-10-29 06:00:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 06:00:02,292 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:02,292 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:02,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-10-29 06:00:02,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:02,506 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 06:00:02,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:02,506 INFO L85 PathProgramCache]: Analyzing trace with hash 728525800, now seen corresponding path program 1 times [2021-10-29 06:00:02,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:02,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903704196] [2021-10-29 06:00:02,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:02,507 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:02,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:02,508 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:02,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 06:00:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:02,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 06:00:02,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:02,940 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 06:00:02,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:03,090 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 06:00:03,091 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:03,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903704196] [2021-10-29 06:00:03,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903704196] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:03,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:03,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 06:00:03,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860578187] [2021-10-29 06:00:03,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 06:00:03,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:03,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 06:00:03,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 06:00:03,093 INFO L87 Difference]: Start difference. First operand 251 states and 334 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:06,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:06,721 INFO L93 Difference]: Finished difference Result 1089 states and 1415 transitions. [2021-10-29 06:00:06,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 06:00:06,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-29 06:00:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:06,729 INFO L225 Difference]: With dead ends: 1089 [2021-10-29 06:00:06,729 INFO L226 Difference]: Without dead ends: 845 [2021-10-29 06:00:06,731 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-29 06:00:06,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2021-10-29 06:00:06,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 251. [2021-10-29 06:00:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.312) internal successors, (328), 250 states have internal predecessors, (328), 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 06:00:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 328 transitions. [2021-10-29 06:00:06,791 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 328 transitions. Word has length 37 [2021-10-29 06:00:06,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:06,792 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 328 transitions. [2021-10-29 06:00:06,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 328 transitions. [2021-10-29 06:00:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 06:00:06,794 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:06,794 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:06,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 06:00:07,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:07,009 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:07,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:07,010 INFO L85 PathProgramCache]: Analyzing trace with hash 980113013, now seen corresponding path program 1 times [2021-10-29 06:00:07,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:00:07,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417698479] [2021-10-29 06:00:07,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:07,010 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:00:07,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:00:07,011 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:00:07,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 06:00:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:07,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 06:00:07,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:00:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 06:00:07,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:00:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 06:00:07,825 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:00:07,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417698479] [2021-10-29 06:00:07,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417698479] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:07,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:07,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 06:00:07,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541166833] [2021-10-29 06:00:07,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 06:00:07,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:00:07,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 06:00:07,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 06:00:07,827 INFO L87 Difference]: Start difference. First operand 251 states and 328 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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 06:00:11,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:11,459 INFO L93 Difference]: Finished difference Result 763 states and 984 transitions. [2021-10-29 06:00:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 06:00:11,459 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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 56 [2021-10-29 06:00:11,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:11,461 INFO L225 Difference]: With dead ends: 763 [2021-10-29 06:00:11,461 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 06:00:11,462 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-29 06:00:11,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 06:00:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 06:00:11,463 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 06:00:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 06:00:11,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-29 06:00:11,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:11,464 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 06:00:11,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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 06:00:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 06:00:11,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 06:00:11,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:00:11,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:00:11,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:00:11,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 06:00:11,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:00:11,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 06:00:11,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:11,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:11,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:11,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:11,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:12,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:13,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:00:20,148 INFO L857 garLoopResultBuilder]: For program point L960(lines 960 964) no Hoare annotation was computed. [2021-10-29 06:00:20,148 INFO L853 garLoopResultBuilder]: At program point L960-2(lines 668 674) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-29 06:00:20,149 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 904) no Hoare annotation was computed. [2021-10-29 06:00:20,149 INFO L857 garLoopResultBuilder]: For program point L894-2(lines 894 904) no Hoare annotation was computed. [2021-10-29 06:00:20,149 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 768) no Hoare annotation was computed. [2021-10-29 06:00:20,149 INFO L857 garLoopResultBuilder]: For program point L894-4(lines 894 904) no Hoare annotation was computed. [2021-10-29 06:00:20,149 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2021-10-29 06:00:20,150 INFO L857 garLoopResultBuilder]: For program point L762-2(lines 762 768) no Hoare annotation was computed. [2021-10-29 06:00:20,150 INFO L857 garLoopResultBuilder]: For program point L762-4(lines 762 768) no Hoare annotation was computed. [2021-10-29 06:00:20,150 INFO L857 garLoopResultBuilder]: For program point L762-6(lines 762 768) no Hoare annotation was computed. [2021-10-29 06:00:20,150 INFO L857 garLoopResultBuilder]: For program point L762-8(lines 762 768) no Hoare annotation was computed. [2021-10-29 06:00:20,150 INFO L857 garLoopResultBuilder]: For program point L762-10(lines 762 768) no Hoare annotation was computed. [2021-10-29 06:00:20,150 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 901) no Hoare annotation was computed. [2021-10-29 06:00:20,150 INFO L857 garLoopResultBuilder]: For program point L895-2(lines 895 901) no Hoare annotation was computed. [2021-10-29 06:00:20,151 INFO L853 garLoopResultBuilder]: At program point L796(lines 791 799) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:20,151 INFO L853 garLoopResultBuilder]: At program point L796-1(lines 791 799) the Hoare annotation is: false [2021-10-29 06:00:20,151 INFO L857 garLoopResultBuilder]: For program point L895-4(lines 895 901) no Hoare annotation was computed. [2021-10-29 06:00:20,151 INFO L857 garLoopResultBuilder]: For program point L730(lines 730 738) no Hoare annotation was computed. [2021-10-29 06:00:20,151 INFO L853 garLoopResultBuilder]: At program point L796-2(lines 791 799) the Hoare annotation is: false [2021-10-29 06:00:20,151 INFO L857 garLoopResultBuilder]: For program point L730-1(lines 730 738) no Hoare annotation was computed. [2021-10-29 06:00:20,151 INFO L857 garLoopResultBuilder]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2021-10-29 06:00:20,152 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-29 06:00:20,152 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-29 06:00:20,152 INFO L857 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-29 06:00:20,152 INFO L853 garLoopResultBuilder]: At program point L567-2(lines 567 581) the Hoare annotation is: false [2021-10-29 06:00:20,152 INFO L857 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2021-10-29 06:00:20,153 INFO L857 garLoopResultBuilder]: For program point L700-1(lines 700 717) no Hoare annotation was computed. [2021-10-29 06:00:20,153 INFO L857 garLoopResultBuilder]: For program point L700-2(lines 700 717) no Hoare annotation was computed. [2021-10-29 06:00:20,153 INFO L857 garLoopResultBuilder]: For program point L700-3(lines 700 717) no Hoare annotation was computed. [2021-10-29 06:00:20,153 INFO L857 garLoopResultBuilder]: For program point L568(line 568) no Hoare annotation was computed. [2021-10-29 06:00:20,153 INFO L857 garLoopResultBuilder]: For program point L700-4(lines 700 717) no Hoare annotation was computed. [2021-10-29 06:00:20,154 INFO L857 garLoopResultBuilder]: For program point L700-5(lines 700 717) no Hoare annotation was computed. [2021-10-29 06:00:20,154 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2021-10-29 06:00:20,154 INFO L853 garLoopResultBuilder]: At program point L932-1(lines 932 938) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 06:00:20,154 INFO L853 garLoopResultBuilder]: At program point L668(lines 667 686) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-29 06:00:20,154 INFO L857 garLoopResultBuilder]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2021-10-29 06:00:20,155 INFO L853 garLoopResultBuilder]: At program point L668-2(lines 667 686) the Hoare annotation is: false [2021-10-29 06:00:20,155 INFO L853 garLoopResultBuilder]: At program point L668-3(lines 667 686) the Hoare annotation is: false [2021-10-29 06:00:20,155 INFO L853 garLoopResultBuilder]: At program point L504(lines 499 507) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-29 06:00:20,155 INFO L853 garLoopResultBuilder]: At program point L504-1(lines 499 507) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:20,155 INFO L853 garLoopResultBuilder]: At program point L504-2(lines 499 507) 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)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-29 06:00:20,156 INFO L853 garLoopResultBuilder]: At program point L504-3(lines 499 507) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-29 06:00:20,156 INFO L853 garLoopResultBuilder]: At program point L504-4(lines 499 507) the Hoare annotation is: false [2021-10-29 06:00:20,156 INFO L853 garLoopResultBuilder]: At program point L504-5(lines 499 507) the Hoare annotation is: false [2021-10-29 06:00:20,156 INFO L853 garLoopResultBuilder]: At program point L504-6(lines 499 507) the Hoare annotation is: false [2021-10-29 06:00:20,157 INFO L853 garLoopResultBuilder]: At program point L504-7(lines 499 507) the Hoare annotation is: false [2021-10-29 06:00:20,157 INFO L853 garLoopResultBuilder]: At program point L504-8(lines 499 507) the Hoare annotation is: false [2021-10-29 06:00:20,157 INFO L853 garLoopResultBuilder]: At program point L504-9(lines 499 507) the Hoare annotation is: false [2021-10-29 06:00:20,157 INFO L853 garLoopResultBuilder]: At program point L504-10(lines 499 507) the Hoare annotation is: false [2021-10-29 06:00:20,157 INFO L853 garLoopResultBuilder]: At program point L504-11(lines 499 507) the Hoare annotation is: false [2021-10-29 06:00:20,157 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 977) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:20,158 INFO L857 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2021-10-29 06:00:20,158 INFO L857 garLoopResultBuilder]: For program point L868-1(line 868) no Hoare annotation was computed. [2021-10-29 06:00:20,158 INFO L857 garLoopResultBuilder]: For program point L868-2(line 868) no Hoare annotation was computed. [2021-10-29 06:00:20,158 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-10-29 06:00:20,158 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 668 674) no Hoare annotation was computed. [2021-10-29 06:00:20,159 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2021-10-29 06:00:20,159 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 712) no Hoare annotation was computed. [2021-10-29 06:00:20,159 INFO L857 garLoopResultBuilder]: For program point L704-1(lines 704 712) no Hoare annotation was computed. [2021-10-29 06:00:20,159 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 712) no Hoare annotation was computed. [2021-10-29 06:00:20,159 INFO L857 garLoopResultBuilder]: For program point L704-3(lines 704 712) no Hoare annotation was computed. [2021-10-29 06:00:20,159 INFO L857 garLoopResultBuilder]: For program point L704-4(lines 704 712) no Hoare annotation was computed. [2021-10-29 06:00:20,160 INFO L857 garLoopResultBuilder]: For program point L704-5(lines 704 712) no Hoare annotation was computed. [2021-10-29 06:00:20,160 INFO L853 garLoopResultBuilder]: At program point L970(lines 921 971) the Hoare annotation is: false [2021-10-29 06:00:20,160 INFO L853 garLoopResultBuilder]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 06:00:20,160 INFO L857 garLoopResultBuilder]: For program point L642(lines 642 649) no Hoare annotation was computed. [2021-10-29 06:00:20,160 INFO L853 garLoopResultBuilder]: At program point L675-1(lines 675 681) the Hoare annotation is: false [2021-10-29 06:00:20,161 INFO L853 garLoopResultBuilder]: At program point L675-2(lines 675 681) the Hoare annotation is: false [2021-10-29 06:00:20,161 INFO L860 garLoopResultBuilder]: At program point L642-1(lines 642 649) the Hoare annotation is: true [2021-10-29 06:00:20,161 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2021-10-29 06:00:20,161 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2021-10-29 06:00:20,161 INFO L857 garLoopResultBuilder]: For program point L544-2(lines 544 550) no Hoare annotation was computed. [2021-10-29 06:00:20,161 INFO L857 garLoopResultBuilder]: For program point L544-3(lines 544 550) no Hoare annotation was computed. [2021-10-29 06:00:20,162 INFO L857 garLoopResultBuilder]: For program point L544-4(lines 544 550) no Hoare annotation was computed. [2021-10-29 06:00:20,162 INFO L857 garLoopResultBuilder]: For program point L544-5(lines 544 550) no Hoare annotation was computed. [2021-10-29 06:00:20,162 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2021-10-29 06:00:20,162 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:20,162 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 948) no Hoare annotation was computed. [2021-10-29 06:00:20,163 INFO L853 garLoopResultBuilder]: At program point L942-1(lines 942 948) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-29 06:00:20,163 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,163 INFO L857 garLoopResultBuilder]: For program point L845-2(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,163 INFO L857 garLoopResultBuilder]: For program point L845-3(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,163 INFO L857 garLoopResultBuilder]: For program point L845-5(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,163 INFO L857 garLoopResultBuilder]: For program point L845-6(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,164 INFO L857 garLoopResultBuilder]: For program point L845-8(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,164 INFO L857 garLoopResultBuilder]: For program point L845-9(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,164 INFO L857 garLoopResultBuilder]: For program point L845-11(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,164 INFO L857 garLoopResultBuilder]: For program point L845-12(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,164 INFO L857 garLoopResultBuilder]: For program point L845-14(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,164 INFO L857 garLoopResultBuilder]: For program point L845-15(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,165 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 06:00:20,165 INFO L857 garLoopResultBuilder]: For program point L845-17(lines 845 849) no Hoare annotation was computed. [2021-10-29 06:00:20,165 INFO L853 garLoopResultBuilder]: At program point L879(lines 874 881) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:20,165 INFO L853 garLoopResultBuilder]: At program point L549(lines 540 553) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:20,165 INFO L853 garLoopResultBuilder]: At program point L549-1(lines 540 553) 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 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-10-29 06:00:20,166 INFO L853 garLoopResultBuilder]: At program point L549-2(lines 540 553) the Hoare annotation is: false [2021-10-29 06:00:20,166 INFO L853 garLoopResultBuilder]: At program point L549-3(lines 540 553) the Hoare annotation is: false [2021-10-29 06:00:20,166 INFO L853 garLoopResultBuilder]: At program point L549-4(lines 540 553) the Hoare annotation is: false [2021-10-29 06:00:20,166 INFO L853 garLoopResultBuilder]: At program point L549-5(lines 540 553) the Hoare annotation is: false [2021-10-29 06:00:20,166 INFO L853 garLoopResultBuilder]: At program point L616(lines 612 618) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:20,166 INFO L860 garLoopResultBuilder]: At program point L651(lines 632 654) the Hoare annotation is: true [2021-10-29 06:00:20,167 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 06:00:20,167 INFO L853 garLoopResultBuilder]: At program point L851(lines 836 854) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:20,167 INFO L853 garLoopResultBuilder]: At program point L851-1(lines 836 854) 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 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-10-29 06:00:20,167 INFO L853 garLoopResultBuilder]: At program point L851-2(lines 836 854) the Hoare annotation is: false [2021-10-29 06:00:20,167 INFO L853 garLoopResultBuilder]: At program point L851-3(lines 836 854) the Hoare annotation is: false [2021-10-29 06:00:20,168 INFO L853 garLoopResultBuilder]: At program point L851-4(lines 836 854) the Hoare annotation is: false [2021-10-29 06:00:20,168 INFO L853 garLoopResultBuilder]: At program point L851-5(lines 836 854) the Hoare annotation is: false [2021-10-29 06:00:20,168 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 965) no Hoare annotation was computed. [2021-10-29 06:00:20,168 INFO L853 garLoopResultBuilder]: At program point L787(lines 780 790) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-29 06:00:20,168 INFO L853 garLoopResultBuilder]: At program point L787-1(lines 780 790) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:00:20,169 INFO L853 garLoopResultBuilder]: At program point L787-2(lines 780 790) 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)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-29 06:00:20,169 INFO L853 garLoopResultBuilder]: At program point L787-3(lines 780 790) the Hoare annotation is: false [2021-10-29 06:00:20,169 INFO L853 garLoopResultBuilder]: At program point L787-4(lines 780 790) the Hoare annotation is: false [2021-10-29 06:00:20,169 INFO L853 garLoopResultBuilder]: At program point L787-5(lines 780 790) the Hoare annotation is: false [2021-10-29 06:00:20,169 INFO L853 garLoopResultBuilder]: At program point L787-6(lines 780 790) the Hoare annotation is: false [2021-10-29 06:00:20,169 INFO L853 garLoopResultBuilder]: At program point L787-7(lines 780 790) the Hoare annotation is: false [2021-10-29 06:00:20,170 INFO L853 garLoopResultBuilder]: At program point L787-8(lines 780 790) the Hoare annotation is: false [2021-10-29 06:00:20,170 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 06:00:20,170 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-10-29 06:00:20,170 INFO L857 garLoopResultBuilder]: For program point L923(lines 922 969) no Hoare annotation was computed. [2021-10-29 06:00:20,170 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 907) no Hoare annotation was computed. [2021-10-29 06:00:20,171 INFO L853 garLoopResultBuilder]: At program point L890-1(lines 1 977) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 06:00:20,171 INFO L857 garLoopResultBuilder]: For program point L890-2(lines 890 907) no Hoare annotation was computed. [2021-10-29 06:00:20,171 INFO L853 garLoopResultBuilder]: At program point L890-3(lines 1 977) the Hoare annotation is: false [2021-10-29 06:00:20,171 INFO L857 garLoopResultBuilder]: For program point L890-4(lines 890 907) no Hoare annotation was computed. [2021-10-29 06:00:20,171 INFO L853 garLoopResultBuilder]: At program point L890-5(lines 1 977) the Hoare annotation is: false [2021-10-29 06:00:20,171 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 06:00:20,172 INFO L857 garLoopResultBuilder]: For program point L924(lines 924 928) no Hoare annotation was computed. [2021-10-29 06:00:20,172 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2021-10-29 06:00:20,172 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 743) no Hoare annotation was computed. [2021-10-29 06:00:20,172 INFO L857 garLoopResultBuilder]: For program point L726-1(lines 726 743) no Hoare annotation was computed. [2021-10-29 06:00:20,172 INFO L857 garLoopResultBuilder]: For program point L726-2(lines 726 743) no Hoare annotation was computed. [2021-10-29 06:00:20,176 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:20,178 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 06:00:20,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:00:20 BoogieIcfgContainer [2021-10-29 06:00:20,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 06:00:20,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 06:00:20,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 06:00:20,212 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 06:00:20,213 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:59:54" (3/4) ... [2021-10-29 06:00:20,216 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 06:00:20,238 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 06:00:20,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 06:00:20,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 06:00:20,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 06:00:20,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 06:00:20,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 06:00:20,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 06:00:20,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 06:00:20,275 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 06:00:20,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 06:00:20,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:00:20,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 06:00:20,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 06:00:20,280 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-29 06:00:20,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 06:00:20,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:00:20,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 06:00:20,284 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:00:20,284 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 06:00:20,285 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 06:00:20,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 06:00:20,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 06:00:20,346 INFO L168 Benchmark]: Toolchain (without parser) took 29563.28 ms. Allocated memory was 54.5 MB in the beginning and 111.1 MB in the end (delta: 56.6 MB). Free memory was 31.7 MB in the beginning and 87.2 MB in the end (delta: -55.5 MB). Peak memory consumption was 65.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:20,347 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:00:20,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.10 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.5 MB in the beginning and 41.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:20,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.80 ms. Allocated memory is still 73.4 MB. Free memory was 41.4 MB in the beginning and 37.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:20,348 INFO L168 Benchmark]: Boogie Preprocessor took 123.12 ms. Allocated memory is still 73.4 MB. Free memory was 37.6 MB in the beginning and 54.1 MB in the end (delta: -16.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:20,348 INFO L168 Benchmark]: RCFGBuilder took 2550.60 ms. Allocated memory is still 73.4 MB. Free memory was 54.1 MB in the beginning and 39.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:20,349 INFO L168 Benchmark]: TraceAbstraction took 25752.81 ms. Allocated memory was 73.4 MB in the beginning and 111.1 MB in the end (delta: 37.7 MB). Free memory was 39.5 MB in the beginning and 36.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:20,349 INFO L168 Benchmark]: Witness Printer took 132.54 ms. Allocated memory is still 111.1 MB. Free memory was 36.1 MB in the beginning and 87.2 MB in the end (delta: -51.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:20,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 872.10 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.5 MB in the beginning and 41.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 121.80 ms. Allocated memory is still 73.4 MB. Free memory was 41.4 MB in the beginning and 37.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.12 ms. Allocated memory is still 73.4 MB. Free memory was 37.6 MB in the beginning and 54.1 MB in the end (delta: -16.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2550.60 ms. Allocated memory is still 73.4 MB. Free memory was 54.1 MB in the beginning and 39.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25752.81 ms. Allocated memory was 73.4 MB in the beginning and 111.1 MB in the end (delta: 37.7 MB). Free memory was 39.5 MB in the beginning and 36.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. * Witness Printer took 132.54 ms. Allocated memory is still 111.1 MB. Free memory was 36.1 MB in the beginning and 87.2 MB in the end (delta: -51.1 MB). Peak memory consumption was 12.9 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: 868]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 868]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 868]: 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, 133 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 25.5s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1308 SDtfs, 1975 SDslu, 3556 SDs, 0 SdLazy, 479 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 722 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=9, InterpolantAutomatonStates: 73, 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, 11 MinimizatonAttempts, 1253 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 271 NumberOfFragments, 574 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1991164 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 145339 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 1092 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2341 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 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: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 06:00:20,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f312bdc-7c07-4bd1-afb6-96c8a74e2127/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...