./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa ............................................................................................................................................ 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_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:47:29,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:47:29,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:47:29,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:47:29,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:47:29,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:47:29,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:47:29,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:47:29,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:47:29,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:47:29,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:47:29,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:47:29,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:47:29,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:47:29,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:47:29,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:47:29,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:47:29,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:47:29,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:47:29,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:47:29,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:47:29,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:47:29,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:47:29,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:47:29,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:47:29,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:47:29,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:47:29,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:47:29,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:47:29,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:47:29,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:47:29,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:47:29,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:47:29,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:47:29,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:47:29,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:47:29,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:47:29,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:47:29,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:47:29,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:47:29,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:47:29,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:47:29,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:47:29,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:47:29,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:47:29,712 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:47:29,712 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:47:29,712 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:47:29,713 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:47:29,713 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:47:29,713 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:47:29,713 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:47:29,714 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:47:29,714 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:47:29,715 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:47:29,715 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:47:29,715 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:47:29,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:47:29,716 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:47:29,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:47:29,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:47:29,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:47:29,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:47:29,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:47:29,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:47:29,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:47:29,717 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:47:29,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:47:29,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:47:29,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:47:29,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:47:29,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:47:29,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:47:29,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:47:29,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:47:29,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:47:29,721 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:47:29,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:47:29,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:47:29,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:47:29,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:47:29,722 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_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa [2021-10-24 09:47:29,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:47:29,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:47:29,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:47:30,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:47:30,001 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:47:30,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-10-24 09:47:30,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data/54026501e/fe1a8fb56ade43de95eaec6705583110/FLAG43a28ad2e [2021-10-24 09:47:30,629 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:47:30,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-10-24 09:47:30,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data/54026501e/fe1a8fb56ade43de95eaec6705583110/FLAG43a28ad2e [2021-10-24 09:47:31,077 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data/54026501e/fe1a8fb56ade43de95eaec6705583110 [2021-10-24 09:47:31,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:47:31,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:47:31,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:47:31,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:47:31,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:47:31,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:47:31" (1/1) ... [2021-10-24 09:47:31,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703e0ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:31, skipping insertion in model container [2021-10-24 09:47:31,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:47:31" (1/1) ... [2021-10-24 09:47:31,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:47:31,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:47:31,391 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_b2f73f1f-ee5b-4a00-a514-055500ca3572/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c[11292,11305] [2021-10-24 09:47:31,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:47:31,460 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 09:47:31,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@301aff72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:31, skipping insertion in model container [2021-10-24 09:47:31,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:47:31,461 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:47:31,463 INFO L168 Benchmark]: Toolchain (without parser) took 380.57 ms. Allocated memory is still 117.4 MB. Free memory was 72.9 MB in the beginning and 86.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:47:31,464 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 117.4 MB. Free memory is still 90.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:47:31,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.83 ms. Allocated memory is still 117.4 MB. Free memory was 72.7 MB in the beginning and 86.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:47:31,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 117.4 MB. Free memory is still 90.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.83 ms. Allocated memory is still 117.4 MB. Free memory was 72.7 MB in the beginning and 86.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:47:33,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:47:33,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:47:33,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:47:33,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:47:33,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:47:33,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:47:33,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:47:33,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:47:33,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:47:33,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:47:33,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:47:33,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:47:33,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:47:33,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:47:33,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:47:33,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:47:33,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:47:33,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:47:33,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:47:33,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:47:33,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:47:33,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:47:33,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:47:33,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:47:33,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:47:33,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:47:33,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:47:33,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:47:33,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:47:33,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:47:33,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:47:33,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:47:33,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:47:33,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:47:33,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:47:33,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:47:33,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:47:33,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:47:33,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:47:33,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:47:33,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 09:47:33,842 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:47:33,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:47:33,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:47:33,844 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:47:33,844 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:47:33,844 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:47:33,845 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:47:33,845 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:47:33,845 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:47:33,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:47:33,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:47:33,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:47:33,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:47:33,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:47:33,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:47:33,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:47:33,849 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:47:33,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:47:33,850 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:47:33,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:47:33,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:47:33,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:47:33,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:47:33,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:47:33,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:47:33,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:47:33,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:47:33,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:47:33,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:47:33,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:47:33,852 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:47:33,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:47:33,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:47:33,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:47:33,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:47:33,854 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_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa [2021-10-24 09:47:34,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:47:34,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:47:34,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:47:34,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:47:34,250 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:47:34,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-10-24 09:47:34,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data/eb4ca049e/9a4291897a1140e88df065a9257fc8c0/FLAG051cf3d7a [2021-10-24 09:47:34,835 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:47:34,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-10-24 09:47:34,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data/eb4ca049e/9a4291897a1140e88df065a9257fc8c0/FLAG051cf3d7a [2021-10-24 09:47:35,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/data/eb4ca049e/9a4291897a1140e88df065a9257fc8c0 [2021-10-24 09:47:35,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:47:35,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:47:35,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:47:35,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:47:35,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:47:35,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:35,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b08722c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35, skipping insertion in model container [2021-10-24 09:47:35,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:35,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:47:35,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:47:35,525 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_b2f73f1f-ee5b-4a00-a514-055500ca3572/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c[11292,11305] [2021-10-24 09:47:35,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:47:35,629 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 09:47:35,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:47:35,701 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_b2f73f1f-ee5b-4a00-a514-055500ca3572/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c[11292,11305] [2021-10-24 09:47:35,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:47:35,761 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:47:35,827 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_b2f73f1f-ee5b-4a00-a514-055500ca3572/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c[11292,11305] [2021-10-24 09:47:35,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:47:35,907 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:47:35,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35 WrapperNode [2021-10-24 09:47:35,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:47:35,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:47:35,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:47:35,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:47:35,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:35,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:36,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:47:36,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:47:36,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:47:36,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:47:36,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:36,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:36,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:36,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:36,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:36,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:36,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:36,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:47:36,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:47:36,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:47:36,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:47:36,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (1/1) ... [2021-10-24 09:47:36,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:47:36,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:47:36,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:47:36,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:47:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:47:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 09:47:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:47:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:47:38,807 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:47:38,807 INFO L299 CfgBuilder]: Removed 284 assume(true) statements. [2021-10-24 09:47:38,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:47:38 BoogieIcfgContainer [2021-10-24 09:47:38,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:47:38,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:47:38,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:47:38,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:47:38,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:47:35" (1/3) ... [2021-10-24 09:47:38,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6594a2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:47:38, skipping insertion in model container [2021-10-24 09:47:38,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:47:35" (2/3) ... [2021-10-24 09:47:38,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6594a2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:47:38, skipping insertion in model container [2021-10-24 09:47:38,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:47:38" (3/3) ... [2021-10-24 09:47:38,818 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2021-10-24 09:47:38,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:47:38,825 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 09:47:38,876 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:47:38,882 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 09:47:38,882 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 09:47:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 09:47:38,909 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:38,909 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:38,910 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:38,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:38,916 INFO L82 PathProgramCache]: Analyzing trace with hash -217592316, now seen corresponding path program 1 times [2021-10-24 09:47:38,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:38,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600046387] [2021-10-24 09:47:38,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:38,931 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:38,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:38,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:38,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 09:47:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:39,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 09:47:39,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:39,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:39,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:39,304 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:39,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600046387] [2021-10-24 09:47:39,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600046387] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:39,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:39,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 09:47:39,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879311665] [2021-10-24 09:47:39,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 09:47:39,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:39,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 09:47:39,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:47:39,340 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 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) [2021-10-24 09:47:39,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:39,405 INFO L93 Difference]: Finished difference Result 383 states and 588 transitions. [2021-10-24 09:47:39,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 09:47:39,406 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 [2021-10-24 09:47:39,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:39,427 INFO L225 Difference]: With dead ends: 383 [2021-10-24 09:47:39,427 INFO L226 Difference]: Without dead ends: 191 [2021-10-24 09:47:39,432 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:47:39,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-24 09:47:39,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-24 09:47:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5212765957446808) internal successors, (286), 190 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 286 transitions. [2021-10-24 09:47:39,482 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 286 transitions. Word has length 18 [2021-10-24 09:47:39,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:39,483 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 286 transitions. [2021-10-24 09:47:39,483 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) [2021-10-24 09:47:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2021-10-24 09:47:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 09:47:39,485 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:39,485 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:39,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:39,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:39,698 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:39,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:39,699 INFO L82 PathProgramCache]: Analyzing trace with hash -436428285, now seen corresponding path program 1 times [2021-10-24 09:47:39,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:39,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530604811] [2021-10-24 09:47:39,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:39,700 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:39,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:39,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:39,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 09:47:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:39,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:47:39,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:39,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:40,071 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:40,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530604811] [2021-10-24 09:47:40,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530604811] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:40,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:40,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:47:40,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159647419] [2021-10-24 09:47:40,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:47:40,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:40,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:47:40,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:47:40,081 INFO L87 Difference]: Start difference. First operand 191 states and 286 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) [2021-10-24 09:47:40,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:40,112 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2021-10-24 09:47:40,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:47:40,113 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 [2021-10-24 09:47:40,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:40,116 INFO L225 Difference]: With dead ends: 191 [2021-10-24 09:47:40,116 INFO L226 Difference]: Without dead ends: 75 [2021-10-24 09:47:40,120 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:47:40,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-24 09:47:40,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-24 09:47:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2021-10-24 09:47:40,131 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2021-10-24 09:47:40,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:40,132 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2021-10-24 09:47:40,132 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) [2021-10-24 09:47:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-10-24 09:47:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 09:47:40,133 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:40,134 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:40,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:40,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:40,346 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:40,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:40,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1212083136, now seen corresponding path program 1 times [2021-10-24 09:47:40,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:40,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878970226] [2021-10-24 09:47:40,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:40,348 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:40,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:40,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:40,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 09:47:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:40,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:47:40,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:40,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:40,744 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:40,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878970226] [2021-10-24 09:47:40,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878970226] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:40,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:40,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:47:40,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963138038] [2021-10-24 09:47:40,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:47:40,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:40,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:47:40,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:47:40,751 INFO L87 Difference]: Start difference. First operand 75 states and 111 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) [2021-10-24 09:47:40,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:40,801 INFO L93 Difference]: Finished difference Result 235 states and 355 transitions. [2021-10-24 09:47:40,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:47:40,802 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 [2021-10-24 09:47:40,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:40,803 INFO L225 Difference]: With dead ends: 235 [2021-10-24 09:47:40,803 INFO L226 Difference]: Without dead ends: 167 [2021-10-24 09:47:40,804 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:47:40,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-24 09:47:40,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 95. [2021-10-24 09:47:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.5106382978723405) internal successors, (142), 94 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 142 transitions. [2021-10-24 09:47:40,818 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 142 transitions. Word has length 24 [2021-10-24 09:47:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:40,819 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 142 transitions. [2021-10-24 09:47:40,819 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) [2021-10-24 09:47:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2021-10-24 09:47:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 09:47:40,821 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:40,821 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:40,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:41,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:41,033 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:41,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:41,034 INFO L82 PathProgramCache]: Analyzing trace with hash 471692742, now seen corresponding path program 1 times [2021-10-24 09:47:41,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:41,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592745501] [2021-10-24 09:47:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:41,035 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:41,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:41,037 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:41,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 09:47:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:41,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:47:41,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:41,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:41,424 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:41,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592745501] [2021-10-24 09:47:41,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592745501] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:41,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:41,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 09:47:41,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725654071] [2021-10-24 09:47:41,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:47:41,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:41,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:47:41,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:47:41,427 INFO L87 Difference]: Start difference. First operand 95 states and 142 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-10-24 09:47:41,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:41,472 INFO L93 Difference]: Finished difference Result 193 states and 291 transitions. [2021-10-24 09:47:41,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:47:41,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 27 [2021-10-24 09:47:41,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:41,474 INFO L225 Difference]: With dead ends: 193 [2021-10-24 09:47:41,474 INFO L226 Difference]: Without dead ends: 105 [2021-10-24 09:47:41,475 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:47:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-24 09:47:41,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2021-10-24 09:47:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.4509803921568627) internal successors, (148), 102 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2021-10-24 09:47:41,486 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 27 [2021-10-24 09:47:41,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:41,487 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2021-10-24 09:47:41,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-10-24 09:47:41,487 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2021-10-24 09:47:41,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 09:47:41,488 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:41,489 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:41,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-24 09:47:41,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:41,701 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:41,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:41,702 INFO L82 PathProgramCache]: Analyzing trace with hash -624194039, now seen corresponding path program 1 times [2021-10-24 09:47:41,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:41,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427425318] [2021-10-24 09:47:41,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:41,703 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:41,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:41,704 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:41,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 09:47:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:41,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:47:41,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:42,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:42,144 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:42,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427425318] [2021-10-24 09:47:42,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427425318] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:42,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:42,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 09:47:42,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391286759] [2021-10-24 09:47:42,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:47:42,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:42,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:47:42,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:47:42,146 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 5 states, 5 states have (on average 5.4) 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) [2021-10-24 09:47:42,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:42,282 INFO L93 Difference]: Finished difference Result 492 states and 716 transitions. [2021-10-24 09:47:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 09:47:42,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) 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 27 [2021-10-24 09:47:42,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:42,285 INFO L225 Difference]: With dead ends: 492 [2021-10-24 09:47:42,286 INFO L226 Difference]: Without dead ends: 396 [2021-10-24 09:47:42,286 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 55.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 09:47:42,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-10-24 09:47:42,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 188. [2021-10-24 09:47:42,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.427807486631016) internal successors, (267), 187 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2021-10-24 09:47:42,326 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 27 [2021-10-24 09:47:42,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:42,326 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2021-10-24 09:47:42,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) 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) [2021-10-24 09:47:42,327 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2021-10-24 09:47:42,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-24 09:47:42,333 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:42,333 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:42,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:42,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:42,546 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:42,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:42,547 INFO L82 PathProgramCache]: Analyzing trace with hash -2058339199, now seen corresponding path program 1 times [2021-10-24 09:47:42,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:42,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544346978] [2021-10-24 09:47:42,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:42,548 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:42,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:42,549 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:42,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 09:47:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:42,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:47:42,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:42,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:42,940 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:42,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544346978] [2021-10-24 09:47:42,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544346978] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:42,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:42,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:47:42,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359910840] [2021-10-24 09:47:42,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:47:42,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:42,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:47:42,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:47:42,943 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:43,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:43,151 INFO L93 Difference]: Finished difference Result 703 states and 1003 transitions. [2021-10-24 09:47:43,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 09:47:43,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2021-10-24 09:47:43,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:43,155 INFO L225 Difference]: With dead ends: 703 [2021-10-24 09:47:43,155 INFO L226 Difference]: Without dead ends: 522 [2021-10-24 09:47:43,156 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 43.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 09:47:43,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-10-24 09:47:43,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 186. [2021-10-24 09:47:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.4108108108108108) internal successors, (261), 185 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:43,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 261 transitions. [2021-10-24 09:47:43,195 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 261 transitions. Word has length 28 [2021-10-24 09:47:43,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:43,195 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 261 transitions. [2021-10-24 09:47:43,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 261 transitions. [2021-10-24 09:47:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 09:47:43,201 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:43,202 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:43,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:43,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:43,416 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:43,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:43,416 INFO L82 PathProgramCache]: Analyzing trace with hash 952156187, now seen corresponding path program 1 times [2021-10-24 09:47:43,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:43,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386110434] [2021-10-24 09:47:43,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:43,419 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:43,420 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:43,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 09:47:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:43,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:47:43,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:43,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:43,847 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:43,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386110434] [2021-10-24 09:47:43,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386110434] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:43,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:43,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:47:43,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024382924] [2021-10-24 09:47:43,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:47:43,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:43,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:47:43,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:47:43,849 INFO L87 Difference]: Start difference. First operand 186 states and 261 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:43,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:43,957 INFO L93 Difference]: Finished difference Result 537 states and 745 transitions. [2021-10-24 09:47:43,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 09:47:43,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 09:47:43,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:43,960 INFO L225 Difference]: With dead ends: 537 [2021-10-24 09:47:43,961 INFO L226 Difference]: Without dead ends: 358 [2021-10-24 09:47:43,961 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:47:43,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-10-24 09:47:43,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 204. [2021-10-24 09:47:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.374384236453202) internal successors, (279), 203 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 279 transitions. [2021-10-24 09:47:43,984 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 279 transitions. Word has length 34 [2021-10-24 09:47:43,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:43,984 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 279 transitions. [2021-10-24 09:47:43,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 279 transitions. [2021-10-24 09:47:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 09:47:43,986 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:43,986 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:43,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:44,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:44,201 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:44,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:44,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1653220765, now seen corresponding path program 1 times [2021-10-24 09:47:44,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:44,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244727000] [2021-10-24 09:47:44,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:44,202 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:44,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:44,210 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:44,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 09:47:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:44,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:47:44,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:44,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:44,648 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:44,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244727000] [2021-10-24 09:47:44,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244727000] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:44,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:44,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 09:47:44,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387077381] [2021-10-24 09:47:44,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 09:47:44,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:44,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 09:47:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:47:44,650 INFO L87 Difference]: Start difference. First operand 204 states and 279 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:44,738 INFO L93 Difference]: Finished difference Result 587 states and 795 transitions. [2021-10-24 09:47:44,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:47:44,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 09:47:44,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:44,741 INFO L225 Difference]: With dead ends: 587 [2021-10-24 09:47:44,741 INFO L226 Difference]: Without dead ends: 390 [2021-10-24 09:47:44,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 37.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:47:44,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-10-24 09:47:44,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 216. [2021-10-24 09:47:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.3534883720930233) internal successors, (291), 215 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:44,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 291 transitions. [2021-10-24 09:47:44,769 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 291 transitions. Word has length 34 [2021-10-24 09:47:44,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:44,769 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 291 transitions. [2021-10-24 09:47:44,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2021-10-24 09:47:44,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 09:47:44,770 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:44,771 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:44,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:44,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:44,993 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:44,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:44,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1066414751, now seen corresponding path program 1 times [2021-10-24 09:47:44,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:44,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807635531] [2021-10-24 09:47:44,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:44,994 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:44,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:44,995 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:44,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 09:47:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:45,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:47:45,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:45,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:45,520 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:45,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807635531] [2021-10-24 09:47:45,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807635531] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:45,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:45,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 09:47:45,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935951597] [2021-10-24 09:47:45,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:47:45,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:45,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:47:45,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:47:45,523 INFO L87 Difference]: Start difference. First operand 216 states and 291 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:45,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:45,648 INFO L93 Difference]: Finished difference Result 682 states and 923 transitions. [2021-10-24 09:47:45,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:47:45,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 09:47:45,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:45,652 INFO L225 Difference]: With dead ends: 682 [2021-10-24 09:47:45,652 INFO L226 Difference]: Without dead ends: 473 [2021-10-24 09:47:45,653 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:47:45,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-10-24 09:47:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 381. [2021-10-24 09:47:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 380 states have (on average 1.3368421052631578) internal successors, (508), 380 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 508 transitions. [2021-10-24 09:47:45,695 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 508 transitions. Word has length 34 [2021-10-24 09:47:45,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:45,695 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 508 transitions. [2021-10-24 09:47:45,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 508 transitions. [2021-10-24 09:47:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 09:47:45,697 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:45,698 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:45,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:45,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:45,907 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:45,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:45,907 INFO L82 PathProgramCache]: Analyzing trace with hash -329531425, now seen corresponding path program 1 times [2021-10-24 09:47:45,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:45,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241463001] [2021-10-24 09:47:45,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:45,908 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:45,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:45,909 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:45,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 09:47:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:46,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:47:46,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:46,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:46,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:46,414 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:46,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241463001] [2021-10-24 09:47:46,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241463001] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:46,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:46,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:47:46,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384906171] [2021-10-24 09:47:46,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:47:46,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:46,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:47:46,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:47:46,416 INFO L87 Difference]: Start difference. First operand 381 states and 508 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:46,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:46,514 INFO L93 Difference]: Finished difference Result 643 states and 852 transitions. [2021-10-24 09:47:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:47:46,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 09:47:46,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:46,520 INFO L225 Difference]: With dead ends: 643 [2021-10-24 09:47:46,520 INFO L226 Difference]: Without dead ends: 641 [2021-10-24 09:47:46,521 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:47:46,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-10-24 09:47:46,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 470. [2021-10-24 09:47:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 469 states have (on average 1.3624733475479744) internal successors, (639), 469 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 639 transitions. [2021-10-24 09:47:46,579 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 639 transitions. Word has length 35 [2021-10-24 09:47:46,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:46,580 INFO L470 AbstractCegarLoop]: Abstraction has 470 states and 639 transitions. [2021-10-24 09:47:46,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 639 transitions. [2021-10-24 09:47:46,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-24 09:47:46,582 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:46,582 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:46,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:46,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:46,795 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:46,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:46,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1979064958, now seen corresponding path program 1 times [2021-10-24 09:47:46,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:46,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178346394] [2021-10-24 09:47:46,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:46,796 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:46,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:46,797 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:46,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 09:47:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:47,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:47:47,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:47,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:47:47,400 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:47,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178346394] [2021-10-24 09:47:47,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178346394] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:47,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:47,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:47:47,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944768100] [2021-10-24 09:47:47,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:47:47,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:47,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:47:47,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:47:47,403 INFO L87 Difference]: Start difference. First operand 470 states and 639 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:50,086 INFO L93 Difference]: Finished difference Result 855 states and 1175 transitions. [2021-10-24 09:47:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:47:50,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 60 [2021-10-24 09:47:50,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:50,090 INFO L225 Difference]: With dead ends: 855 [2021-10-24 09:47:50,090 INFO L226 Difference]: Without dead ends: 392 [2021-10-24 09:47:50,091 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:47:50,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-10-24 09:47:50,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2021-10-24 09:47:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 1.3145780051150895) internal successors, (514), 391 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 514 transitions. [2021-10-24 09:47:50,135 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 514 transitions. Word has length 60 [2021-10-24 09:47:50,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:50,136 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 514 transitions. [2021-10-24 09:47:50,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 514 transitions. [2021-10-24 09:47:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 09:47:50,137 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:50,137 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:50,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:50,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:50,350 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:50,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:50,350 INFO L82 PathProgramCache]: Analyzing trace with hash -297745622, now seen corresponding path program 1 times [2021-10-24 09:47:50,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:50,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009680644] [2021-10-24 09:47:50,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:50,351 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:50,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:50,352 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:50,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 09:47:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:50,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:47:50,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:47:50,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:47:50,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:50,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009680644] [2021-10-24 09:47:50,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009680644] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:50,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:50,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:47:50,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183633160] [2021-10-24 09:47:50,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:47:50,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:50,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:47:50,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:47:50,931 INFO L87 Difference]: Start difference. First operand 392 states and 514 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:52,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:52,305 INFO L93 Difference]: Finished difference Result 776 states and 1017 transitions. [2021-10-24 09:47:52,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:47:52,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-10-24 09:47:52,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:52,308 INFO L225 Difference]: With dead ends: 776 [2021-10-24 09:47:52,308 INFO L226 Difference]: Without dead ends: 391 [2021-10-24 09:47:52,309 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:47:52,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2021-10-24 09:47:52,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 379. [2021-10-24 09:47:52,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 378 states have (on average 1.3042328042328042) internal successors, (493), 378 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 493 transitions. [2021-10-24 09:47:52,349 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 493 transitions. Word has length 63 [2021-10-24 09:47:52,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:52,350 INFO L470 AbstractCegarLoop]: Abstraction has 379 states and 493 transitions. [2021-10-24 09:47:52,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 493 transitions. [2021-10-24 09:47:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 09:47:52,351 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:47:52,352 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:47:52,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:52,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:52,565 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:47:52,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:47:52,566 INFO L82 PathProgramCache]: Analyzing trace with hash 751274022, now seen corresponding path program 1 times [2021-10-24 09:47:52,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:47:52,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268245831] [2021-10-24 09:47:52,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:47:52,567 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:47:52,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:47:52,568 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:47:52,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 09:47:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:47:52,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 09:47:52,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:47:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 09:47:53,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:47:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 09:47:53,388 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:47:53,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268245831] [2021-10-24 09:47:53,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268245831] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:47:53,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:47:53,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 09:47:53,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685075633] [2021-10-24 09:47:53,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 09:47:53,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:47:53,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 09:47:53,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 09:47:53,390 INFO L87 Difference]: Start difference. First operand 379 states and 493 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:55,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:47:55,148 INFO L93 Difference]: Finished difference Result 1490 states and 1912 transitions. [2021-10-24 09:47:55,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 09:47:55,148 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-10-24 09:47:55,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:47:55,149 INFO L225 Difference]: With dead ends: 1490 [2021-10-24 09:47:55,149 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 09:47:55,151 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 187.4ms TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-24 09:47:55,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 09:47:55,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 09:47:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 09:47:55,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-24 09:47:55,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:47:55,152 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 09:47:55,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:47:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 09:47:55,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 09:47:55,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:47:55,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:47:55,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:47:55,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 09:47:55,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:47:55,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 09:47:55,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:55,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:55,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:55,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:55,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:55,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:55,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:55,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:55,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:55,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:56,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:57,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:58,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:58,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:58,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:47:58,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:48:06,778 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-10-24 09:48:06,779 INFO L853 garLoopResultBuilder]: At program point L531(lines 526 534) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-24 09:48:06,779 INFO L853 garLoopResultBuilder]: At program point L531-1(lines 526 534) the Hoare annotation is: false [2021-10-24 09:48:06,779 INFO L853 garLoopResultBuilder]: At program point L531-2(lines 526 534) the Hoare annotation is: false [2021-10-24 09:48:06,780 INFO L853 garLoopResultBuilder]: At program point L531-3(lines 526 534) the Hoare annotation is: false [2021-10-24 09:48:06,780 INFO L853 garLoopResultBuilder]: At program point L531-4(lines 526 534) the Hoare annotation is: false [2021-10-24 09:48:06,780 INFO L853 garLoopResultBuilder]: At program point L531-5(lines 526 534) the Hoare annotation is: false [2021-10-24 09:48:06,780 INFO L860 garLoopResultBuilder]: At program point L1028(lines 1009 1031) the Hoare annotation is: true [2021-10-24 09:48:06,780 INFO L853 garLoopResultBuilder]: At program point L995(lines 991 997) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:48:06,780 INFO L853 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:48:06,780 INFO L853 garLoopResultBuilder]: At program point L800(lines 785 803) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-24 09:48:06,780 INFO L853 garLoopResultBuilder]: At program point L800-1(lines 785 803) the Hoare annotation is: false [2021-10-24 09:48:06,780 INFO L853 garLoopResultBuilder]: At program point L800-2(lines 785 803) the Hoare annotation is: false [2021-10-24 09:48:06,780 INFO L853 garLoopResultBuilder]: At program point L800-3(lines 785 803) the Hoare annotation is: false [2021-10-24 09:48:06,781 INFO L853 garLoopResultBuilder]: At program point L800-4(lines 785 803) the Hoare annotation is: false [2021-10-24 09:48:06,781 INFO L853 garLoopResultBuilder]: At program point L800-5(lines 785 803) the Hoare annotation is: false [2021-10-24 09:48:06,781 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-10-24 09:48:06,781 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-10-24 09:48:06,781 INFO L857 garLoopResultBuilder]: For program point L439-3(lines 439 443) no Hoare annotation was computed. [2021-10-24 09:48:06,781 INFO L857 garLoopResultBuilder]: For program point L439-6(lines 439 443) no Hoare annotation was computed. [2021-10-24 09:48:06,781 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2021-10-24 09:48:06,781 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2021-10-24 09:48:06,781 INFO L857 garLoopResultBuilder]: For program point L673-1(lines 673 690) no Hoare annotation was computed. [2021-10-24 09:48:06,781 INFO L857 garLoopResultBuilder]: For program point L673-2(lines 673 690) no Hoare annotation was computed. [2021-10-24 09:48:06,782 INFO L853 garLoopResultBuilder]: At program point L476(lines 471 479) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-24 09:48:06,782 INFO L853 garLoopResultBuilder]: At program point L476-1(lines 471 479) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse6 .cse7 .cse4) (and .cse0 .cse6 .cse7 .cse5))) [2021-10-24 09:48:06,782 INFO L853 garLoopResultBuilder]: At program point L476-2(lines 471 479) the Hoare annotation is: false [2021-10-24 09:48:06,782 INFO L853 garLoopResultBuilder]: At program point L476-3(lines 471 479) the Hoare annotation is: false [2021-10-24 09:48:06,782 INFO L853 garLoopResultBuilder]: At program point L476-4(lines 471 479) the Hoare annotation is: false [2021-10-24 09:48:06,782 INFO L853 garLoopResultBuilder]: At program point L476-5(lines 471 479) the Hoare annotation is: false [2021-10-24 09:48:06,783 INFO L857 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2021-10-24 09:48:06,783 INFO L853 garLoopResultBuilder]: At program point L543(lines 538 545) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:48:06,783 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-10-24 09:48:06,783 INFO L857 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2021-10-24 09:48:06,783 INFO L853 garLoopResultBuilder]: At program point L808-1(lines 808 814) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-24 09:48:06,783 INFO L857 garLoopResultBuilder]: For program point L775(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,784 INFO L857 garLoopResultBuilder]: For program point L775-2(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,784 INFO L857 garLoopResultBuilder]: For program point L775-3(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,784 INFO L857 garLoopResultBuilder]: For program point L775-5(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,784 INFO L857 garLoopResultBuilder]: For program point L775-6(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,784 INFO L857 garLoopResultBuilder]: For program point L775-8(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,784 INFO L857 garLoopResultBuilder]: For program point L775-9(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,784 INFO L857 garLoopResultBuilder]: For program point L775-11(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,785 INFO L857 garLoopResultBuilder]: For program point L775-12(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,785 INFO L857 garLoopResultBuilder]: For program point L775-14(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,785 INFO L857 garLoopResultBuilder]: For program point L775-15(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,785 INFO L857 garLoopResultBuilder]: For program point L775-17(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,785 INFO L857 garLoopResultBuilder]: For program point L775-18(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,785 INFO L857 garLoopResultBuilder]: For program point L775-20(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,785 INFO L857 garLoopResultBuilder]: For program point L775-21(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,786 INFO L857 garLoopResultBuilder]: For program point L775-23(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,786 INFO L857 garLoopResultBuilder]: For program point L775-24(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,786 INFO L857 garLoopResultBuilder]: For program point L775-26(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,786 INFO L857 garLoopResultBuilder]: For program point L775-27(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,786 INFO L857 garLoopResultBuilder]: For program point L775-29(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,786 INFO L857 garLoopResultBuilder]: For program point L775-30(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,786 INFO L857 garLoopResultBuilder]: For program point L775-32(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,787 INFO L857 garLoopResultBuilder]: For program point L775-33(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,787 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2021-10-24 09:48:06,787 INFO L857 garLoopResultBuilder]: For program point L677-1(lines 677 685) no Hoare annotation was computed. [2021-10-24 09:48:06,787 INFO L857 garLoopResultBuilder]: For program point L775-35(lines 775 779) no Hoare annotation was computed. [2021-10-24 09:48:06,787 INFO L857 garLoopResultBuilder]: For program point L677-2(lines 677 685) no Hoare annotation was computed. [2021-10-24 09:48:06,787 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-10-24 09:48:06,788 INFO L853 garLoopResultBuilder]: At program point L877-1(lines 589 595) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not .cse5)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse2 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse5 .cse3 .cse7)))) [2021-10-24 09:48:06,788 INFO L857 garLoopResultBuilder]: For program point L647(lines 647 664) no Hoare annotation was computed. [2021-10-24 09:48:06,788 INFO L857 garLoopResultBuilder]: For program point L647-1(lines 647 664) no Hoare annotation was computed. [2021-10-24 09:48:06,788 INFO L857 garLoopResultBuilder]: For program point L647-2(lines 647 664) no Hoare annotation was computed. [2021-10-24 09:48:06,788 INFO L857 garLoopResultBuilder]: For program point L647-3(lines 647 664) no Hoare annotation was computed. [2021-10-24 09:48:06,788 INFO L857 garLoopResultBuilder]: For program point L647-4(lines 647 664) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point L647-5(lines 647 664) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point L516-2(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point L516-3(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point L516-4(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point L516-5(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point L516-6(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,789 INFO L857 garLoopResultBuilder]: For program point L516-7(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,790 INFO L857 garLoopResultBuilder]: For program point L516-8(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,790 INFO L857 garLoopResultBuilder]: For program point L516-9(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,790 INFO L857 garLoopResultBuilder]: For program point L516-10(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,790 INFO L857 garLoopResultBuilder]: For program point L516-11(lines 516 522) no Hoare annotation was computed. [2021-10-24 09:48:06,790 INFO L853 garLoopResultBuilder]: At program point L781(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,790 INFO L853 garLoopResultBuilder]: At program point L781-1(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,790 INFO L853 garLoopResultBuilder]: At program point L781-2(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,790 INFO L853 garLoopResultBuilder]: At program point L781-3(lines 766 784) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse1 .cse2))) [2021-10-24 09:48:06,791 INFO L853 garLoopResultBuilder]: At program point L781-4(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,791 INFO L853 garLoopResultBuilder]: At program point L781-5(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,791 INFO L853 garLoopResultBuilder]: At program point L781-6(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,791 INFO L853 garLoopResultBuilder]: At program point L781-7(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,791 INFO L853 garLoopResultBuilder]: At program point L781-8(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,791 INFO L853 garLoopResultBuilder]: At program point L781-9(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,792 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 455) no Hoare annotation was computed. [2021-10-24 09:48:06,792 INFO L853 garLoopResultBuilder]: At program point L781-10(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,792 INFO L853 garLoopResultBuilder]: At program point L781-11(lines 766 784) the Hoare annotation is: false [2021-10-24 09:48:06,792 INFO L853 garLoopResultBuilder]: At program point L947-2(lines 947 961) the Hoare annotation is: false [2021-10-24 09:48:06,792 INFO L857 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2021-10-24 09:48:06,792 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-24 09:48:06,792 INFO L853 garLoopResultBuilder]: At program point L849-1(lines 849 855) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse5 .cse6 .cse4 .cse9) (and .cse0 .cse5 .cse2 .cse3 .cse9) (and .cse0 .cse1 .cse5 .cse6 .cse7 .cse4 .cse8))) [2021-10-24 09:48:06,793 INFO L853 garLoopResultBuilder]: At program point L717(lines 710 720) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-24 09:48:06,793 INFO L853 garLoopResultBuilder]: At program point L717-1(lines 710 720) the Hoare annotation is: false [2021-10-24 09:48:06,793 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 659) no Hoare annotation was computed. [2021-10-24 09:48:06,793 INFO L853 garLoopResultBuilder]: At program point L717-2(lines 710 720) the Hoare annotation is: false [2021-10-24 09:48:06,793 INFO L857 garLoopResultBuilder]: For program point L651-1(lines 651 659) no Hoare annotation was computed. [2021-10-24 09:48:06,793 INFO L857 garLoopResultBuilder]: For program point L651-2(lines 651 659) no Hoare annotation was computed. [2021-10-24 09:48:06,794 INFO L857 garLoopResultBuilder]: For program point L651-3(lines 651 659) no Hoare annotation was computed. [2021-10-24 09:48:06,794 INFO L857 garLoopResultBuilder]: For program point L651-4(lines 651 659) no Hoare annotation was computed. [2021-10-24 09:48:06,794 INFO L857 garLoopResultBuilder]: For program point L651-5(lines 651 659) no Hoare annotation was computed. [2021-10-24 09:48:06,794 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-10-24 09:48:06,794 INFO L857 garLoopResultBuilder]: For program point L420-1(line 420) no Hoare annotation was computed. [2021-10-24 09:48:06,794 INFO L857 garLoopResultBuilder]: For program point L420-2(line 420) no Hoare annotation was computed. [2021-10-24 09:48:06,794 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 09:48:06,795 INFO L857 garLoopResultBuilder]: For program point L554(lines 554 571) no Hoare annotation was computed. [2021-10-24 09:48:06,795 INFO L853 garLoopResultBuilder]: At program point L521(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,795 INFO L853 garLoopResultBuilder]: At program point L554-1(lines 1 1031) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse5 .cse6 .cse4 .cse9) (and .cse0 .cse5 .cse2 .cse3 .cse9) (and .cse0 .cse1 .cse5 .cse6 .cse7 .cse4 .cse8))) [2021-10-24 09:48:06,795 INFO L853 garLoopResultBuilder]: At program point L521-1(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,795 INFO L857 garLoopResultBuilder]: For program point L554-2(lines 554 571) no Hoare annotation was computed. [2021-10-24 09:48:06,795 INFO L853 garLoopResultBuilder]: At program point L521-2(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,795 INFO L853 garLoopResultBuilder]: At program point L554-3(lines 1 1031) the Hoare annotation is: false [2021-10-24 09:48:06,796 INFO L853 garLoopResultBuilder]: At program point L521-3(lines 512 525) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (bvslt ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3))) [2021-10-24 09:48:06,796 INFO L857 garLoopResultBuilder]: For program point L554-4(lines 554 571) no Hoare annotation was computed. [2021-10-24 09:48:06,796 INFO L853 garLoopResultBuilder]: At program point L521-4(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,796 INFO L853 garLoopResultBuilder]: At program point L554-5(lines 1 1031) the Hoare annotation is: false [2021-10-24 09:48:06,796 INFO L853 garLoopResultBuilder]: At program point L521-5(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,796 INFO L853 garLoopResultBuilder]: At program point L521-6(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,797 INFO L853 garLoopResultBuilder]: At program point L521-7(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,797 INFO L853 garLoopResultBuilder]: At program point L521-8(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,797 INFO L853 garLoopResultBuilder]: At program point L521-9(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,797 INFO L853 garLoopResultBuilder]: At program point L521-10(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,797 INFO L853 garLoopResultBuilder]: At program point L521-11(lines 512 525) the Hoare annotation is: false [2021-10-24 09:48:06,797 INFO L857 garLoopResultBuilder]: For program point L951(lines 951 955) no Hoare annotation was computed. [2021-10-24 09:48:06,797 INFO L857 garLoopResultBuilder]: For program point L951-1(lines 589 595) no Hoare annotation was computed. [2021-10-24 09:48:06,798 INFO L857 garLoopResultBuilder]: For program point L621(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,798 INFO L857 garLoopResultBuilder]: For program point L621-1(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,798 INFO L857 garLoopResultBuilder]: For program point L621-2(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,798 INFO L857 garLoopResultBuilder]: For program point L621-3(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,798 INFO L857 garLoopResultBuilder]: For program point L621-4(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,798 INFO L857 garLoopResultBuilder]: For program point L621-5(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,798 INFO L857 garLoopResultBuilder]: For program point L621-6(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,799 INFO L857 garLoopResultBuilder]: For program point L621-7(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,799 INFO L857 garLoopResultBuilder]: For program point L621-8(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,799 INFO L857 garLoopResultBuilder]: For program point L621-9(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,799 INFO L857 garLoopResultBuilder]: For program point L621-10(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,799 INFO L857 garLoopResultBuilder]: For program point L621-11(lines 621 638) no Hoare annotation was computed. [2021-10-24 09:48:06,799 INFO L853 garLoopResultBuilder]: At program point L589(lines 588 607) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (not .cse7)) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4) (and .cse0 (bvslt ~waterLevel~0 (_ bv2 32)) .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse7 .cse3 .cse5) (and .cse0 .cse6 .cse5)))) [2021-10-24 09:48:06,800 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 589 595) no Hoare annotation was computed. [2021-10-24 09:48:06,800 INFO L853 garLoopResultBuilder]: At program point L589-2(lines 588 607) the Hoare annotation is: false [2021-10-24 09:48:06,800 INFO L853 garLoopResultBuilder]: At program point L589-3(lines 588 607) the Hoare annotation is: false [2021-10-24 09:48:06,800 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 09:48:06,800 INFO L857 garLoopResultBuilder]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2021-10-24 09:48:06,800 INFO L860 garLoopResultBuilder]: At program point L1019-1(lines 1019 1026) the Hoare annotation is: true [2021-10-24 09:48:06,800 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 568) no Hoare annotation was computed. [2021-10-24 09:48:06,801 INFO L857 garLoopResultBuilder]: For program point L558-2(lines 558 568) no Hoare annotation was computed. [2021-10-24 09:48:06,801 INFO L857 garLoopResultBuilder]: For program point L558-4(lines 558 568) no Hoare annotation was computed. [2021-10-24 09:48:06,801 INFO L853 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2021-10-24 09:48:06,801 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,801 INFO L857 garLoopResultBuilder]: For program point L625-1(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,801 INFO L857 garLoopResultBuilder]: For program point L625-2(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,801 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 565) no Hoare annotation was computed. [2021-10-24 09:48:06,801 INFO L857 garLoopResultBuilder]: For program point L625-3(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,802 INFO L857 garLoopResultBuilder]: For program point L625-4(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,802 INFO L857 garLoopResultBuilder]: For program point L559-2(lines 559 565) no Hoare annotation was computed. [2021-10-24 09:48:06,802 INFO L857 garLoopResultBuilder]: For program point L625-5(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,802 INFO L857 garLoopResultBuilder]: For program point L625-6(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,802 INFO L857 garLoopResultBuilder]: For program point L559-4(lines 559 565) no Hoare annotation was computed. [2021-10-24 09:48:06,802 INFO L857 garLoopResultBuilder]: For program point L625-7(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,802 INFO L857 garLoopResultBuilder]: For program point L625-8(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,803 INFO L857 garLoopResultBuilder]: For program point L625-9(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,803 INFO L857 garLoopResultBuilder]: For program point L625-10(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,803 INFO L857 garLoopResultBuilder]: For program point L625-11(lines 625 633) no Hoare annotation was computed. [2021-10-24 09:48:06,803 INFO L853 garLoopResultBuilder]: At program point L923(lines 1 1031) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:48:06,803 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 09:48:06,803 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-10-24 09:48:06,804 INFO L853 garLoopResultBuilder]: At program point L726(lines 721 729) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 (= (_ bv0 32) ~pumpRunning~0)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-24 09:48:06,804 INFO L853 garLoopResultBuilder]: At program point L726-1(lines 721 729) the Hoare annotation is: false [2021-10-24 09:48:06,804 INFO L853 garLoopResultBuilder]: At program point L726-2(lines 721 729) the Hoare annotation is: false [2021-10-24 09:48:06,804 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2021-10-24 09:48:06,804 INFO L853 garLoopResultBuilder]: At program point L859-1(lines 859 865) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse4 .cse6) (and .cse0 .cse5 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse6) (and .cse0 .cse5 .cse2 .cse6))) [2021-10-24 09:48:06,805 INFO L857 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2021-10-24 09:48:06,805 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,805 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,805 INFO L857 garLoopResultBuilder]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,805 INFO L857 garLoopResultBuilder]: For program point L794-5(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,805 INFO L853 garLoopResultBuilder]: At program point L596(lines 596 602) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse2 .cse4) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse5 .cse4))) [2021-10-24 09:48:06,805 INFO L857 garLoopResultBuilder]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,806 INFO L853 garLoopResultBuilder]: At program point L596-1(lines 596 602) the Hoare annotation is: false [2021-10-24 09:48:06,806 INFO L857 garLoopResultBuilder]: For program point L794-8(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,806 INFO L853 garLoopResultBuilder]: At program point L596-2(lines 596 602) the Hoare annotation is: false [2021-10-24 09:48:06,806 INFO L857 garLoopResultBuilder]: For program point L794-9(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,806 INFO L857 garLoopResultBuilder]: For program point L794-11(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,806 INFO L857 garLoopResultBuilder]: For program point L794-12(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,806 INFO L857 garLoopResultBuilder]: For program point L794-14(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,807 INFO L857 garLoopResultBuilder]: For program point L794-15(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,807 INFO L857 garLoopResultBuilder]: For program point L794-17(lines 794 798) no Hoare annotation was computed. [2021-10-24 09:48:06,811 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:48:06,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:48:06 BoogieIcfgContainer [2021-10-24 09:48:06,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:48:06,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:48:06,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:48:06,843 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:48:06,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:47:38" (3/4) ... [2021-10-24 09:48:06,847 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 09:48:06,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 09:48:06,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 09:48:06,874 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 09:48:06,876 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 09:48:06,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 09:48:06,879 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:48:06,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:48:06,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp) [2021-10-24 09:48:06,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp) [2021-10-24 09:48:06,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-10-24 09:48:06,908 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:48:06,908 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 09:48:06,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:48:06,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 09:48:06,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) [2021-10-24 09:48:06,912 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 09:48:06,913 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 09:48:06,914 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 09:48:06,915 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) [2021-10-24 09:48:06,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) [2021-10-24 09:48:06,987 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 09:48:06,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:48:06,989 INFO L168 Benchmark]: Toolchain (without parser) took 31802.52 ms. Allocated memory was 83.9 MB in the beginning and 176.2 MB in the end (delta: 92.3 MB). Free memory was 61.3 MB in the beginning and 103.1 MB in the end (delta: -41.8 MB). Peak memory consumption was 51.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:06,989 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:48:06,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.15 ms. Allocated memory is still 83.9 MB. Free memory was 61.1 MB in the beginning and 51.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:06,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.83 ms. Allocated memory is still 83.9 MB. Free memory was 51.6 MB in the beginning and 46.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:06,991 INFO L168 Benchmark]: Boogie Preprocessor took 88.10 ms. Allocated memory is still 83.9 MB. Free memory was 46.9 MB in the beginning and 43.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:06,991 INFO L168 Benchmark]: RCFGBuilder took 2676.52 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 43.2 MB in the beginning and 95.5 MB in the end (delta: -52.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:06,992 INFO L168 Benchmark]: TraceAbstraction took 28030.70 ms. Allocated memory was 121.6 MB in the beginning and 176.2 MB in the end (delta: 54.5 MB). Free memory was 95.5 MB in the beginning and 118.8 MB in the end (delta: -23.4 MB). Peak memory consumption was 108.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:06,992 INFO L168 Benchmark]: Witness Printer took 144.65 ms. Allocated memory is still 176.2 MB. Free memory was 118.8 MB in the beginning and 103.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:06,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 719.15 ms. Allocated memory is still 83.9 MB. Free memory was 61.1 MB in the beginning and 51.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 134.83 ms. Allocated memory is still 83.9 MB. Free memory was 51.6 MB in the beginning and 46.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.10 ms. Allocated memory is still 83.9 MB. Free memory was 46.9 MB in the beginning and 43.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2676.52 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 43.2 MB in the beginning and 95.5 MB in the end (delta: -52.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28030.70 ms. Allocated memory was 121.6 MB in the beginning and 176.2 MB in the end (delta: 54.5 MB). Free memory was 95.5 MB in the beginning and 118.8 MB in the end (delta: -23.4 MB). Peak memory consumption was 108.1 MB. Max. memory is 16.1 GB. * Witness Printer took 144.65 ms. Allocated memory is still 176.2 MB. Free memory was 118.8 MB in the beginning and 103.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 420]: 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, 195 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 27937.0ms, OverallIterations: 13, TraceHistogramMax: 2, EmptinessCheckTime: 34.5ms, AutomataDifference: 6889.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11406.6ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1703 SDtfs, 2114 SDslu, 2816 SDs, 0 SdLazy, 341 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5614.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 884 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 399.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=10, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 382.8ms AutomataMinimizationTime, 13 MinimizatonAttempts, 1221 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 567 NumberOfFragments, 979 HoareAnnotationTreeSize, 69 FomulaSimplifications, 1331282 FormulaSimplificationTreeSizeReduction, 3297.6ms HoareSimplificationTime, 69 FomulaSimplificationsInter, 655463 FormulaSimplificationTreeSizeReductionInter, 8090.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 252.3ms SsaConstructionTime, 1433.6ms SatisfiabilityAnalysisTime, 3094.4ms InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 1594 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2834 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 134/134 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: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp) - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1019]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1009]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) RESULT: Ultimate proved your program to be correct! [2021-10-24 09:48:07,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2f73f1f-ee5b-4a00-a514-055500ca3572/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...