./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 ............................................................................................................................................ 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_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:59:49,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:59:49,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:59:49,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:59:49,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:59:49,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:59:49,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:59:49,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:59:49,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:59:49,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:59:49,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:59:49,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:59:49,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:59:49,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:59:49,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:59:49,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:59:49,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:59:49,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:59:49,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:59:49,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:59:49,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:59:49,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:59:49,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:59:49,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:59:49,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:59:49,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:59:49,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:59:49,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:59:49,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:59:49,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:59:49,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:59:49,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:59:49,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:59:49,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:59:49,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:59:49,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:59:49,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:59:49,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:59:49,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:59:49,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:59:49,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:59:49,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:59:49,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:59:49,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:59:49,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:59:49,739 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:59:49,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:59:49,739 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:59:49,740 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:59:49,740 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:59:49,748 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:59:49,749 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:59:49,750 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:59:49,751 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:59:49,751 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:59:49,751 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:59:49,752 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:59:49,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:59:49,753 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:59:49,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:59:49,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:59:49,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:59:49,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:59:49,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:59:49,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:59:49,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:59:49,755 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:59:49,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:59:49,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:59:49,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:59:49,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:59:49,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:59:49,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:59:49,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:59:49,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:59:49,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:59:49,761 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:59:49,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:59:49,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:59:49,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:59:49,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:59:49,762 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_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 [2021-10-29 04:59:50,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:59:50,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:59:50,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:59:50,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:59:50,153 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:59:50,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-10-29 04:59:50,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data/ec5cf92c5/124528b34dd8483699ab95b6f83def75/FLAG1f3dae507 [2021-10-29 04:59:50,975 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:59:50,976 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-10-29 04:59:50,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data/ec5cf92c5/124528b34dd8483699ab95b6f83def75/FLAG1f3dae507 [2021-10-29 04:59:51,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data/ec5cf92c5/124528b34dd8483699ab95b6f83def75 [2021-10-29 04:59:51,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:59:51,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:59:51,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:59:51,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:59:51,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:59:51,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:59:51" (1/1) ... [2021-10-29 04:59:51,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc0a7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:51, skipping insertion in model container [2021-10-29 04:59:51,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:59:51" (1/1) ... [2021-10-29 04:59:51,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:59:51,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:59:51,727 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_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-10-29 04:59:51,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:59:51,783 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 04:59:51,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e72d08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:51, skipping insertion in model container [2021-10-29 04:59:51,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:59:51,784 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:59:51,786 INFO L168 Benchmark]: Toolchain (without parser) took 531.48 ms. Allocated memory is still 119.5 MB. Free memory was 80.8 MB in the beginning and 90.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:59:51,787 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 119.5 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:59:51,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.27 ms. Allocated memory is still 119.5 MB. Free memory was 80.6 MB in the beginning and 90.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:59:51,790 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 119.5 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 528.27 ms. Allocated memory is still 119.5 MB. Free memory was 80.6 MB in the beginning and 90.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 497]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:59:54,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:59:54,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:59:54,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:59:54,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:59:54,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:59:54,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:59:54,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:59:54,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:59:54,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:59:54,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:59:54,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:59:54,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:59:54,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:59:54,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:59:54,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:59:54,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:59:54,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:59:54,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:59:54,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:59:54,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:59:54,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:59:54,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:59:54,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:59:54,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:59:54,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:59:54,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:59:54,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:59:54,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:59:54,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:59:54,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:59:54,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:59:54,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:59:54,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:59:54,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:59:54,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:59:54,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:59:54,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:59:54,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:59:54,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:59:54,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:59:54,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:59:54,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:59:54,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:59:54,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:59:54,815 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:59:54,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:59:54,816 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:59:54,816 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:59:54,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:59:54,817 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:59:54,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:59:54,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:59:54,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:59:54,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:59:54,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:59:54,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:59:54,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:59:54,822 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:59:54,822 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:59:54,822 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:59:54,823 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:59:54,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:59:54,823 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:59:54,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:59:54,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:59:54,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:59:54,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:59:54,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:59:54,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:59:54,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:59:54,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:59:54,826 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:59:54,827 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:59:54,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:59:54,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:59:54,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:59:54,828 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_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 [2021-10-29 04:59:55,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:59:55,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:59:55,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:59:55,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:59:55,416 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:59:55,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-10-29 04:59:55,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data/2ff41ca61/c2500f3323764cf5aeeaa7a365655ea1/FLAGccb846e1f [2021-10-29 04:59:56,235 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:59:56,240 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-10-29 04:59:56,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data/2ff41ca61/c2500f3323764cf5aeeaa7a365655ea1/FLAGccb846e1f [2021-10-29 04:59:56,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/data/2ff41ca61/c2500f3323764cf5aeeaa7a365655ea1 [2021-10-29 04:59:56,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:59:56,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:59:56,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:59:56,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:59:56,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:59:56,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:59:56" (1/1) ... [2021-10-29 04:59:56,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242fe63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:56, skipping insertion in model container [2021-10-29 04:59:56,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:59:56" (1/1) ... [2021-10-29 04:59:56,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:59:56,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:59:57,075 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_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-10-29 04:59:57,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:59:57,135 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:59:57,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:59:57,225 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_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-10-29 04:59:57,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:59:57,237 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:59:57,326 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_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-10-29 04:59:57,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:59:57,375 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:59:57,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57 WrapperNode [2021-10-29 04:59:57,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:59:57,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:59:57,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:59:57,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:59:57,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:59:57,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:59:57,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:59:57,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:59:57,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:59:57,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:59:57,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:59:57,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:59:57,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (1/1) ... [2021-10-29 04:59:57,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:59:57,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:59:57,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:59:57,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:59:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:59:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:59:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:59:57,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:00:00,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:00:00,730 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-29 05:00:00,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:00:00 BoogieIcfgContainer [2021-10-29 05:00:00,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:00:00,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:00:00,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:00:00,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:00:00,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:59:56" (1/3) ... [2021-10-29 05:00:00,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e5b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:00:00, skipping insertion in model container [2021-10-29 05:00:00,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:59:57" (2/3) ... [2021-10-29 05:00:00,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e5b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:00:00, skipping insertion in model container [2021-10-29 05:00:00,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:00:00" (3/3) ... [2021-10-29 05:00:00,744 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2021-10-29 05:00:00,751 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:00:00,752 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:00:00,814 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:00:00,822 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:00:00,823 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:00:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.575221238938053) internal successors, (178), 116 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:00:00,853 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:00,854 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:00,855 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:00,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:00,862 INFO L85 PathProgramCache]: Analyzing trace with hash 114928579, now seen corresponding path program 1 times [2021-10-29 05:00:00,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:00,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007489234] [2021-10-29 05:00:00,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:00,881 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:00,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:00,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:00,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:00:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:01,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:00:01,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:01,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:01,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:01,359 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:01,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007489234] [2021-10-29 05:00:01,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007489234] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:01,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:01,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:00:01,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863068662] [2021-10-29 05:00:01,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:00:01,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:01,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:00:01,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:00:01,397 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.575221238938053) internal successors, (178), 116 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:01,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:01,463 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2021-10-29 05:00:01,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:00:01,465 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:00:01,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:01,482 INFO L225 Difference]: With dead ends: 227 [2021-10-29 05:00:01,483 INFO L226 Difference]: Without dead ends: 113 [2021-10-29 05:00:01,487 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:00:01,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-29 05:00:01,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-29 05:00:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.509090909090909) internal successors, (166), 112 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2021-10-29 05:00:01,548 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2021-10-29 05:00:01,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:01,548 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2021-10-29 05:00:01,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:01,549 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2021-10-29 05:00:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:00:01,551 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:01,551 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:01,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:01,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:01,752 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:01,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash -483581501, now seen corresponding path program 1 times [2021-10-29 05:00:01,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:01,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660674163] [2021-10-29 05:00:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:01,756 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:01,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:01,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:01,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:00:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:01,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:00:02,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:02,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:02,157 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:02,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660674163] [2021-10-29 05:00:02,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660674163] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:02,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:02,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:00:02,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341488422] [2021-10-29 05:00:02,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:00:02,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:02,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:00:02,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:00:02,163 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:02,181 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2021-10-29 05:00:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:00:02,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:00:02,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:02,184 INFO L225 Difference]: With dead ends: 113 [2021-10-29 05:00:02,184 INFO L226 Difference]: Without dead ends: 49 [2021-10-29 05:00:02,185 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:00:02,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-29 05:00:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-29 05:00:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-29 05:00:02,194 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-29 05:00:02,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:02,194 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-29 05:00:02,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-29 05:00:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:00:02,197 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:02,197 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:02,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:02,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:02,419 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:02,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:02,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2021-10-29 05:00:02,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:02,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459141183] [2021-10-29 05:00:02,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:02,422 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:02,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:02,424 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:02,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:00:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:02,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:00:02,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:02,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:02,894 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:02,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459141183] [2021-10-29 05:00:02,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459141183] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:02,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:02,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:00:02,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007837670] [2021-10-29 05:00:02,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:00:02,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:02,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:00:02,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:00:02,914 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:02,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:02,975 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2021-10-29 05:00:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:00:02,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 05:00:02,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:02,978 INFO L225 Difference]: With dead ends: 157 [2021-10-29 05:00:02,979 INFO L226 Difference]: Without dead ends: 115 [2021-10-29 05:00:02,980 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:00:02,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-29 05:00:02,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 69. [2021-10-29 05:00:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.5) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2021-10-29 05:00:02,996 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2021-10-29 05:00:02,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:02,996 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2021-10-29 05:00:02,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2021-10-29 05:00:02,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:00:02,999 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:02,999 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:03,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:03,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:03,213 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:03,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2021-10-29 05:00:03,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:03,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539543866] [2021-10-29 05:00:03,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:03,216 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:03,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:03,218 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:03,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:00:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:03,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:00:03,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:03,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:03,658 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:03,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539543866] [2021-10-29 05:00:03,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [539543866] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:03,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:03,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:00:03,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460536352] [2021-10-29 05:00:03,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:00:03,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:03,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:00:03,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:00:03,662 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:03,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:03,743 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2021-10-29 05:00:03,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:00:03,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 05:00:03,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:03,746 INFO L225 Difference]: With dead ends: 153 [2021-10-29 05:00:03,746 INFO L226 Difference]: Without dead ends: 91 [2021-10-29 05:00:03,747 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:00:03,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-29 05:00:03,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2021-10-29 05:00:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 88 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2021-10-29 05:00:03,764 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2021-10-29 05:00:03,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:03,765 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2021-10-29 05:00:03,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2021-10-29 05:00:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 05:00:03,767 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:03,767 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:03,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:03,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:03,981 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:03,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:03,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2021-10-29 05:00:03,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:03,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140104220] [2021-10-29 05:00:03,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:03,983 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:03,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:03,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:04,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:00:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:04,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:00:04,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:04,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:04,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:04,534 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:04,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140104220] [2021-10-29 05:00:04,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140104220] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:04,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:04,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:00:04,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559908519] [2021-10-29 05:00:04,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:00:04,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:04,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:00:04,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:00:04,538 INFO L87 Difference]: Start difference. First operand 89 states and 128 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) [2021-10-29 05:00:04,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:04,693 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2021-10-29 05:00:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:00:04,694 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 [2021-10-29 05:00:04,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:04,698 INFO L225 Difference]: With dead ends: 420 [2021-10-29 05:00:04,699 INFO L226 Difference]: Without dead ends: 338 [2021-10-29 05:00:04,700 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:00:04,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-10-29 05:00:04,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2021-10-29 05:00:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.4276729559748427) internal successors, (227), 159 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2021-10-29 05:00:04,734 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2021-10-29 05:00:04,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:04,735 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2021-10-29 05:00:04,735 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) [2021-10-29 05:00:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2021-10-29 05:00:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 05:00:04,737 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:04,738 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:04,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:04,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:04,955 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:04,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:04,956 INFO L85 PathProgramCache]: Analyzing trace with hash -343972991, now seen corresponding path program 1 times [2021-10-29 05:00:04,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:04,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821601065] [2021-10-29 05:00:04,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:04,958 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:04,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:04,959 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:04,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:00:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:05,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:00:05,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:05,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:05,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:05,476 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:05,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821601065] [2021-10-29 05:00:05,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821601065] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:05,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:05,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:00:05,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933640035] [2021-10-29 05:00:05,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:00:05,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:05,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:00:05,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:00:05,487 INFO L87 Difference]: Start difference. First operand 160 states and 227 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) [2021-10-29 05:00:05,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:05,751 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2021-10-29 05:00:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:00:05,752 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 [2021-10-29 05:00:05,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:05,756 INFO L225 Difference]: With dead ends: 589 [2021-10-29 05:00:05,756 INFO L226 Difference]: Without dead ends: 436 [2021-10-29 05:00:05,760 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:00:05,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-10-29 05:00:05,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2021-10-29 05:00:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.4076433121019107) internal successors, (221), 157 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2021-10-29 05:00:05,803 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2021-10-29 05:00:05,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:05,803 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2021-10-29 05:00:05,804 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) [2021-10-29 05:00:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2021-10-29 05:00:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:00:05,806 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:05,807 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:05,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:06,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:06,024 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:06,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:06,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1676975922, now seen corresponding path program 1 times [2021-10-29 05:00:06,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:06,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812945052] [2021-10-29 05:00:06,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:06,028 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:06,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:06,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:06,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:00:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:06,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:00:06,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:06,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:06,530 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:06,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812945052] [2021-10-29 05:00:06,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812945052] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:06,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:06,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:00:06,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010474317] [2021-10-29 05:00:06,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:00:06,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:06,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:00:06,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:00:06,532 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:06,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:06,649 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2021-10-29 05:00:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:00:06,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 05:00:06,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:06,655 INFO L225 Difference]: With dead ends: 471 [2021-10-29 05:00:06,655 INFO L226 Difference]: Without dead ends: 320 [2021-10-29 05:00:06,657 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:00:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-10-29 05:00:06,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2021-10-29 05:00:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.378698224852071) internal successors, (233), 169 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2021-10-29 05:00:06,702 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2021-10-29 05:00:06,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:06,703 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2021-10-29 05:00:06,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2021-10-29 05:00:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:00:06,710 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:06,710 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:06,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:06,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:06,927 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:06,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:06,928 INFO L85 PathProgramCache]: Analyzing trace with hash -975911344, now seen corresponding path program 1 times [2021-10-29 05:00:06,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:06,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017669878] [2021-10-29 05:00:06,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:06,929 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:06,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:06,936 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:06,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:00:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:07,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:00:07,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:07,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:07,487 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:07,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017669878] [2021-10-29 05:00:07,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017669878] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:07,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:07,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:00:07,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708833312] [2021-10-29 05:00:07,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:00:07,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:07,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:00:07,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:00:07,490 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:07,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:07,594 INFO L93 Difference]: Finished difference Result 505 states and 687 transitions. [2021-10-29 05:00:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:00:07,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 05:00:07,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:07,597 INFO L225 Difference]: With dead ends: 505 [2021-10-29 05:00:07,598 INFO L226 Difference]: Without dead ends: 342 [2021-10-29 05:00:07,598 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:00:07,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-10-29 05:00:07,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 178. [2021-10-29 05:00:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.3615819209039548) internal successors, (241), 177 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2021-10-29 05:00:07,631 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2021-10-29 05:00:07,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:07,632 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2021-10-29 05:00:07,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2021-10-29 05:00:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:00:07,633 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:07,634 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:07,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:07,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:07,850 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:07,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:07,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1562717358, now seen corresponding path program 1 times [2021-10-29 05:00:07,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:07,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947615719] [2021-10-29 05:00:07,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:07,852 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:07,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:07,853 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:07,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:00:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:08,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:00:08,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:08,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:08,454 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:08,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947615719] [2021-10-29 05:00:08,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947615719] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:08,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:08,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:00:08,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854700248] [2021-10-29 05:00:08,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:00:08,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:08,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:00:08,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:00:08,456 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:08,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:08,575 INFO L93 Difference]: Finished difference Result 580 states and 789 transitions. [2021-10-29 05:00:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:00:08,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 05:00:08,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:08,579 INFO L225 Difference]: With dead ends: 580 [2021-10-29 05:00:08,580 INFO L226 Difference]: Without dead ends: 409 [2021-10-29 05:00:08,581 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:00:08,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-10-29 05:00:08,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2021-10-29 05:00:08,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.3459119496855345) internal successors, (428), 318 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 428 transitions. [2021-10-29 05:00:08,644 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 428 transitions. Word has length 33 [2021-10-29 05:00:08,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:08,647 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 428 transitions. [2021-10-29 05:00:08,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:08,647 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 428 transitions. [2021-10-29 05:00:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 05:00:08,650 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:08,650 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:08,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:08,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:08,864 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:08,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:08,865 INFO L85 PathProgramCache]: Analyzing trace with hash 331914770, now seen corresponding path program 1 times [2021-10-29 05:00:08,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:08,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381739339] [2021-10-29 05:00:08,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:08,867 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:08,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:08,868 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:08,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:00:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:09,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:00:09,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:09,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:09,513 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:09,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381739339] [2021-10-29 05:00:09,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [381739339] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:09,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:09,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:00:09,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790526800] [2021-10-29 05:00:09,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:00:09,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:09,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:00:09,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:00:09,515 INFO L87 Difference]: Start difference. First operand 319 states and 428 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:09,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:09,625 INFO L93 Difference]: Finished difference Result 519 states and 692 transitions. [2021-10-29 05:00:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:00:09,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 05:00:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:09,630 INFO L225 Difference]: With dead ends: 519 [2021-10-29 05:00:09,630 INFO L226 Difference]: Without dead ends: 517 [2021-10-29 05:00:09,631 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:00:09,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2021-10-29 05:00:09,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 388. [2021-10-29 05:00:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 387 states have (on average 1.3695090439276485) internal successors, (530), 387 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 530 transitions. [2021-10-29 05:00:09,707 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 530 transitions. Word has length 34 [2021-10-29 05:00:09,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:09,707 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 530 transitions. [2021-10-29 05:00:09,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 530 transitions. [2021-10-29 05:00:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 05:00:09,710 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:09,710 INFO L513 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] [2021-10-29 05:00:09,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:09,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:09,926 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:09,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:09,927 INFO L85 PathProgramCache]: Analyzing trace with hash 351981025, now seen corresponding path program 1 times [2021-10-29 05:00:09,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:09,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724013457] [2021-10-29 05:00:09,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:09,928 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:09,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:09,930 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:09,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:00:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:10,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:00:10,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:10,523 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:00:10,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:00:10,778 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:10,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724013457] [2021-10-29 05:00:10,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1724013457] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:10,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:10,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:00:10,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157944977] [2021-10-29 05:00:10,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:00:10,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:10,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:00:10,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:00:10,780 INFO L87 Difference]: Start difference. First operand 388 states and 530 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:14,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:14,494 INFO L93 Difference]: Finished difference Result 1528 states and 2067 transitions. [2021-10-29 05:00:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 05:00:14,494 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-29 05:00:14,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:14,503 INFO L225 Difference]: With dead ends: 1528 [2021-10-29 05:00:14,503 INFO L226 Difference]: Without dead ends: 1147 [2021-10-29 05:00:14,505 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-29 05:00:14,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2021-10-29 05:00:14,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 321. [2021-10-29 05:00:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 320 states have (on average 1.334375) internal successors, (427), 320 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 427 transitions. [2021-10-29 05:00:14,576 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 427 transitions. Word has length 56 [2021-10-29 05:00:14,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:14,577 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 427 transitions. [2021-10-29 05:00:14,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:14,577 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 427 transitions. [2021-10-29 05:00:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 05:00:14,586 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:14,587 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:14,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:14,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:14,800 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:14,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:14,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1298950968, now seen corresponding path program 1 times [2021-10-29 05:00:14,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:14,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041489283] [2021-10-29 05:00:14,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:14,802 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:14,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:14,803 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:14,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 05:00:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:15,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:00:15,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:15,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:00:15,673 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:15,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041489283] [2021-10-29 05:00:15,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041489283] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:15,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:15,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:00:15,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353456219] [2021-10-29 05:00:15,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:00:15,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:00:15,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:00:15,676 INFO L87 Difference]: Start difference. First operand 321 states and 427 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:17,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:17,587 INFO L93 Difference]: Finished difference Result 619 states and 828 transitions. [2021-10-29 05:00:17,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:00:17,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 05:00:17,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:17,591 INFO L225 Difference]: With dead ends: 619 [2021-10-29 05:00:17,591 INFO L226 Difference]: Without dead ends: 305 [2021-10-29 05:00:17,592 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:00:17,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-29 05:00:17,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2021-10-29 05:00:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.2866666666666666) internal successors, (386), 300 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 386 transitions. [2021-10-29 05:00:17,655 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 386 transitions. Word has length 58 [2021-10-29 05:00:17,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:17,657 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 386 transitions. [2021-10-29 05:00:17,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 386 transitions. [2021-10-29 05:00:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 05:00:17,659 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:00:17,659 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-29 05:00:17,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:17,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:17,877 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:00:17,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:00:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1158850466, now seen corresponding path program 1 times [2021-10-29 05:00:17,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:00:17,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792681773] [2021-10-29 05:00:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:00:17,878 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:00:17,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:00:17,879 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:00:17,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 05:00:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:00:18,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:00:18,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:00:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 05:00:18,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:00:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 05:00:18,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:00:18,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792681773] [2021-10-29 05:00:18,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792681773] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:00:18,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:00:18,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:00:18,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684426232] [2021-10-29 05:00:18,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:00:18,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:00:18,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:00:18,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:00:18,633 INFO L87 Difference]: Start difference. First operand 301 states and 386 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) 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) [2021-10-29 05:00:20,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:00:20,392 INFO L93 Difference]: Finished difference Result 587 states and 752 transitions. [2021-10-29 05:00:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:00:20,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) 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 61 [2021-10-29 05:00:20,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:00:20,393 INFO L225 Difference]: With dead ends: 587 [2021-10-29 05:00:20,393 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:00:20,394 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:00:20,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:00:20,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:00:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:00:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:00:20,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-29 05:00:20,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:00:20,396 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:00:20,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) 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) [2021-10-29 05:00:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:00:20,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:00:20,400 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:00:20,400 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:00:20,401 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:00:20,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-29 05:00:20,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:00:20,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:00:20,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:20,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:21,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:21,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:21,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:21,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:21,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:21,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:21,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:22,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:22,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:23,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:24,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:24,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:24,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:24,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:24,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:24,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:24,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:24,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:00:36,155 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-10-29 05:00:36,156 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 350) no Hoare annotation was computed. [2021-10-29 05:00:36,156 INFO L857 garLoopResultBuilder]: For program point L333-1(lines 333 350) no Hoare annotation was computed. [2021-10-29 05:00:36,156 INFO L857 garLoopResultBuilder]: For program point L333-2(lines 333 350) no Hoare annotation was computed. [2021-10-29 05:00:36,156 INFO L857 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-10-29 05:00:36,157 INFO L853 garLoopResultBuilder]: At program point L70-1(lines 1 977) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse8 .cse6) (and .cse0 .cse2 .cse3 .cse6 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse2 .cse7 .cse8 .cse9))) [2021-10-29 05:00:36,157 INFO L857 garLoopResultBuilder]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2021-10-29 05:00:36,157 INFO L853 garLoopResultBuilder]: At program point L70-3(lines 1 977) the Hoare annotation is: false [2021-10-29 05:00:36,157 INFO L857 garLoopResultBuilder]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2021-10-29 05:00:36,158 INFO L853 garLoopResultBuilder]: At program point L70-5(lines 1 977) the Hoare annotation is: false [2021-10-29 05:00:36,158 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 251) no Hoare annotation was computed. [2021-10-29 05:00:36,158 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-29 05:00:36,158 INFO L857 garLoopResultBuilder]: For program point L104-3(lines 104 108) no Hoare annotation was computed. [2021-10-29 05:00:36,159 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 937) no Hoare annotation was computed. [2021-10-29 05:00:36,159 INFO L857 garLoopResultBuilder]: For program point L104-6(lines 104 108) no Hoare annotation was computed. [2021-10-29 05:00:36,159 INFO L860 garLoopResultBuilder]: At program point L930-1(lines 930 937) the Hoare annotation is: true [2021-10-29 05:00:36,159 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,159 INFO L857 garLoopResultBuilder]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,160 INFO L857 garLoopResultBuilder]: For program point L435-3(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,160 INFO L857 garLoopResultBuilder]: For program point L435-5(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,160 INFO L857 garLoopResultBuilder]: For program point L435-6(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,160 INFO L857 garLoopResultBuilder]: For program point L435-8(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,160 INFO L857 garLoopResultBuilder]: For program point L435-9(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,161 INFO L857 garLoopResultBuilder]: For program point L435-11(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,161 INFO L857 garLoopResultBuilder]: For program point L435-12(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,161 INFO L857 garLoopResultBuilder]: For program point L435-14(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,161 INFO L857 garLoopResultBuilder]: For program point L435-15(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,161 INFO L857 garLoopResultBuilder]: For program point L435-17(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:00:36,162 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 345) no Hoare annotation was computed. [2021-10-29 05:00:36,162 INFO L857 garLoopResultBuilder]: For program point L337-1(lines 337 345) no Hoare annotation was computed. [2021-10-29 05:00:36,162 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2021-10-29 05:00:36,162 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-10-29 05:00:36,162 INFO L857 garLoopResultBuilder]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2021-10-29 05:00:36,163 INFO L853 garLoopResultBuilder]: At program point L966(lines 1 977) 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)) [2021-10-29 05:00:36,163 INFO L857 garLoopResultBuilder]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2021-10-29 05:00:36,163 INFO L857 garLoopResultBuilder]: For program point L207(lines 206 255) no Hoare annotation was computed. [2021-10-29 05:00:36,163 INFO L853 garLoopResultBuilder]: At program point L141(lines 136 144) 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))) [2021-10-29 05:00:36,164 INFO L853 garLoopResultBuilder]: At program point L141-1(lines 136 144) 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))) [2021-10-29 05:00:36,164 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-29 05:00:36,164 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2021-10-29 05:00:36,164 INFO L853 garLoopResultBuilder]: At program point L141-3(lines 136 144) the Hoare annotation is: false [2021-10-29 05:00:36,165 INFO L857 garLoopResultBuilder]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2021-10-29 05:00:36,165 INFO L853 garLoopResultBuilder]: At program point L141-4(lines 136 144) the Hoare annotation is: false [2021-10-29 05:00:36,165 INFO L853 garLoopResultBuilder]: At program point L141-5(lines 136 144) the Hoare annotation is: false [2021-10-29 05:00:36,165 INFO L857 garLoopResultBuilder]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2021-10-29 05:00:36,166 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-10-29 05:00:36,166 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 324) no Hoare annotation was computed. [2021-10-29 05:00:36,166 INFO L857 garLoopResultBuilder]: For program point L307-1(lines 307 324) no Hoare annotation was computed. [2021-10-29 05:00:36,166 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 307 324) no Hoare annotation was computed. [2021-10-29 05:00:36,166 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2021-10-29 05:00:36,167 INFO L857 garLoopResultBuilder]: For program point L307-3(lines 307 324) no Hoare annotation was computed. [2021-10-29 05:00:36,167 INFO L857 garLoopResultBuilder]: For program point L307-4(lines 307 324) no Hoare annotation was computed. [2021-10-29 05:00:36,167 INFO L857 garLoopResultBuilder]: For program point L307-5(lines 307 324) no Hoare annotation was computed. [2021-10-29 05:00:36,167 INFO L853 garLoopResultBuilder]: At program point L275(lines 274 293) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (bvslt ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse5 .cse2) (and .cse0 .cse6 .cse3 .cse1 .cse7) (and .cse0 .cse6 .cse1 .cse5 .cse7) (and .cse0 .cse6 .cse8 .cse7) (and .cse0 .cse8 .cse2)))) [2021-10-29 05:00:36,167 INFO L857 garLoopResultBuilder]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2021-10-29 05:00:36,168 INFO L853 garLoopResultBuilder]: At program point L275-2(lines 274 293) the Hoare annotation is: false [2021-10-29 05:00:36,168 INFO L853 garLoopResultBuilder]: At program point L275-3(lines 274 293) the Hoare annotation is: false [2021-10-29 05:00:36,168 INFO L853 garLoopResultBuilder]: At program point L903(lines 899 905) 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)) [2021-10-29 05:00:36,168 INFO L853 garLoopResultBuilder]: At program point L441(lines 426 444) the Hoare annotation is: false [2021-10-29 05:00:36,169 INFO L853 garLoopResultBuilder]: At program point L441-1(lines 426 444) 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~4 (_ bv0 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse1 .cse2))) [2021-10-29 05:00:36,169 INFO L853 garLoopResultBuilder]: At program point L441-2(lines 426 444) the Hoare annotation is: false [2021-10-29 05:00:36,169 INFO L853 garLoopResultBuilder]: At program point L441-3(lines 426 444) the Hoare annotation is: false [2021-10-29 05:00:36,169 INFO L853 garLoopResultBuilder]: At program point L441-4(lines 426 444) the Hoare annotation is: false [2021-10-29 05:00:36,170 INFO L853 garLoopResultBuilder]: At program point L441-5(lines 426 444) the Hoare annotation is: false [2021-10-29 05:00:36,170 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-10-29 05:00:36,170 INFO L853 garLoopResultBuilder]: At program point L244-1(lines 275 281) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not .cse1))) (or (and .cse0 .cse1 (bvslt ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse0 .cse6 .cse4 .cse2 .cse7) (and .cse0 .cse6 .cse2 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse0 .cse4 .cse8 .cse7 .cse3) (and .cse0 .cse6 .cse8 .cse7)))) [2021-10-29 05:00:36,170 INFO L857 garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed. [2021-10-29 05:00:36,170 INFO L857 garLoopResultBuilder]: For program point L839-1(line 839) no Hoare annotation was computed. [2021-10-29 05:00:36,171 INFO L857 garLoopResultBuilder]: For program point L839-2(line 839) no Hoare annotation was computed. [2021-10-29 05:00:36,171 INFO L853 garLoopResultBuilder]: At program point L377(lines 370 380) 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))) [2021-10-29 05:00:36,171 INFO L853 garLoopResultBuilder]: At program point L377-1(lines 370 380) the Hoare annotation is: false [2021-10-29 05:00:36,171 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-10-29 05:00:36,172 INFO L853 garLoopResultBuilder]: At program point L377-2(lines 370 380) the Hoare annotation is: false [2021-10-29 05:00:36,172 INFO L857 garLoopResultBuilder]: For program point L311-1(lines 311 319) no Hoare annotation was computed. [2021-10-29 05:00:36,172 INFO L857 garLoopResultBuilder]: For program point L311-2(lines 311 319) no Hoare annotation was computed. [2021-10-29 05:00:36,172 INFO L857 garLoopResultBuilder]: For program point L311-3(lines 311 319) no Hoare annotation was computed. [2021-10-29 05:00:36,172 INFO L857 garLoopResultBuilder]: For program point L311-4(lines 311 319) no Hoare annotation was computed. [2021-10-29 05:00:36,173 INFO L857 garLoopResultBuilder]: For program point L311-5(lines 311 319) no Hoare annotation was computed. [2021-10-29 05:00:36,173 INFO L860 garLoopResultBuilder]: At program point L939(lines 920 942) the Hoare annotation is: true [2021-10-29 05:00:36,173 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2021-10-29 05:00:36,173 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2021-10-29 05:00:36,173 INFO L857 garLoopResultBuilder]: For program point L181-2(lines 181 187) no Hoare annotation was computed. [2021-10-29 05:00:36,174 INFO L857 garLoopResultBuilder]: For program point L181-3(lines 181 187) no Hoare annotation was computed. [2021-10-29 05:00:36,174 INFO L857 garLoopResultBuilder]: For program point L181-4(lines 181 187) no Hoare annotation was computed. [2021-10-29 05:00:36,174 INFO L857 garLoopResultBuilder]: For program point L181-5(lines 181 187) no Hoare annotation was computed. [2021-10-29 05:00:36,174 INFO L853 garLoopResultBuilder]: At program point L974(lines 969 977) 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)) [2021-10-29 05:00:36,175 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 120) no Hoare annotation was computed. [2021-10-29 05:00:36,175 INFO L853 garLoopResultBuilder]: At program point L282(lines 282 288) 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))) [2021-10-29 05:00:36,175 INFO L853 garLoopResultBuilder]: At program point L282-1(lines 282 288) the Hoare annotation is: false [2021-10-29 05:00:36,175 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-10-29 05:00:36,175 INFO L853 garLoopResultBuilder]: At program point L282-2(lines 282 288) the Hoare annotation is: false [2021-10-29 05:00:36,176 INFO L853 garLoopResultBuilder]: At program point L216-1(lines 216 222) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse8 .cse6) (and .cse0 .cse2 .cse3 .cse6 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse2 .cse7 .cse8 .cse9))) [2021-10-29 05:00:36,176 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2021-10-29 05:00:36,176 INFO L853 garLoopResultBuilder]: At program point L449-1(lines 449 455) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (bvslt ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-29 05:00:36,176 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:00:36,177 INFO L853 garLoopResultBuilder]: At program point L186(lines 177 190) the Hoare annotation is: false [2021-10-29 05:00:36,177 INFO L853 garLoopResultBuilder]: At program point L186-1(lines 177 190) 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))) [2021-10-29 05:00:36,177 INFO L853 garLoopResultBuilder]: At program point L186-2(lines 177 190) the Hoare annotation is: false [2021-10-29 05:00:36,177 INFO L853 garLoopResultBuilder]: At program point L186-3(lines 177 190) the Hoare annotation is: false [2021-10-29 05:00:36,178 INFO L853 garLoopResultBuilder]: At program point L186-4(lines 177 190) the Hoare annotation is: false [2021-10-29 05:00:36,178 INFO L853 garLoopResultBuilder]: At program point L186-5(lines 177 190) the Hoare annotation is: false [2021-10-29 05:00:36,178 INFO L853 garLoopResultBuilder]: At program point L386(lines 381 389) 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)))))) [2021-10-29 05:00:36,178 INFO L853 garLoopResultBuilder]: At program point L386-1(lines 381 389) the Hoare annotation is: false [2021-10-29 05:00:36,178 INFO L853 garLoopResultBuilder]: At program point L386-2(lines 381 389) the Hoare annotation is: false [2021-10-29 05:00:36,179 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:00:36,179 INFO L853 garLoopResultBuilder]: At program point L256(lines 205 257) the Hoare annotation is: false [2021-10-29 05:00:36,179 INFO L853 garLoopResultBuilder]: At program point L59(lines 54 61) 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)) [2021-10-29 05:00:36,179 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 232) no Hoare annotation was computed. [2021-10-29 05:00:36,180 INFO L853 garLoopResultBuilder]: At program point L226-1(lines 226 232) 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))) [2021-10-29 05:00:36,180 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:00:36,180 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 132) no Hoare annotation was computed. [2021-10-29 05:00:36,180 INFO L853 garLoopResultBuilder]: At program point L855-2(lines 855 869) the Hoare annotation is: false [2021-10-29 05:00:36,180 INFO L857 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2021-10-29 05:00:36,181 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:00:36,181 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-10-29 05:00:36,181 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 863) no Hoare annotation was computed. [2021-10-29 05:00:36,181 INFO L857 garLoopResultBuilder]: For program point L859-1(lines 275 281) no Hoare annotation was computed. [2021-10-29 05:00:36,185 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:00:36,187 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:00:36,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:00:36 BoogieIcfgContainer [2021-10-29 05:00:36,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:00:36,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:00:36,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:00:36,241 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:00:36,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:00:00" (3/4) ... [2021-10-29 05:00:36,246 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:00:36,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:00:36,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:00:36,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:00:36,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:00:36,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:00:36,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:00:36,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:00:36,310 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:00:36,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:00:36,312 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)) [2021-10-29 05:00:36,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && systemActive == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && \result == 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 && systemActive == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-10-29 05:00:36,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && \result == 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))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) [2021-10-29 05:00:36,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:00:36,315 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) [2021-10-29 05:00:36,315 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)) [2021-10-29 05:00:36,316 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)) [2021-10-29 05:00:36,317 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) [2021-10-29 05:00:36,317 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)) [2021-10-29 05:00:36,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 05:00:36,375 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:00:36,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:00:36,378 INFO L168 Benchmark]: Toolchain (without parser) took 39918.67 ms. Allocated memory was 71.3 MB in the beginning and 148.9 MB in the end (delta: 77.6 MB). Free memory was 56.8 MB in the beginning and 61.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:36,378 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 71.3 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:00:36,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.85 ms. Allocated memory is still 71.3 MB. Free memory was 56.5 MB in the beginning and 40.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:36,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.88 ms. Allocated memory is still 71.3 MB. Free memory was 40.2 MB in the beginning and 36.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:36,380 INFO L168 Benchmark]: Boogie Preprocessor took 70.56 ms. Allocated memory is still 71.3 MB. Free memory was 36.5 MB in the beginning and 33.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:36,380 INFO L168 Benchmark]: RCFGBuilder took 3193.51 ms. Allocated memory was 71.3 MB in the beginning and 102.8 MB in the end (delta: 31.5 MB). Free memory was 33.7 MB in the beginning and 57.0 MB in the end (delta: -23.3 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:36,381 INFO L168 Benchmark]: TraceAbstraction took 35503.98 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 56.3 MB in the beginning and 70.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:36,381 INFO L168 Benchmark]: Witness Printer took 135.72 ms. Allocated memory is still 148.9 MB. Free memory was 70.9 MB in the beginning and 61.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:36,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 71.3 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 912.85 ms. Allocated memory is still 71.3 MB. Free memory was 56.5 MB in the beginning and 40.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.88 ms. Allocated memory is still 71.3 MB. Free memory was 40.2 MB in the beginning and 36.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.56 ms. Allocated memory is still 71.3 MB. Free memory was 36.5 MB in the beginning and 33.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3193.51 ms. Allocated memory was 71.3 MB in the beginning and 102.8 MB in the end (delta: 31.5 MB). Free memory was 33.7 MB in the beginning and 57.0 MB in the end (delta: -23.3 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35503.98 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 56.3 MB in the beginning and 70.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. * Witness Printer took 135.72 ms. Allocated memory is still 148.9 MB. Free memory was 70.9 MB in the beginning and 61.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 839]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 839]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 839]: 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, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 35.3s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1294 SDtfs, 1886 SDslu, 2606 SDs, 0 SdLazy, 296 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 906 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=10, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1867 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 164 NumberOfFragments, 962 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1269613 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 679242 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 1497 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2813 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 130/130 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: 899]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 282]: 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: 54]: 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: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && \result == 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))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: 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)) - InvariantResult [Line: 381]: 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: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 136]: 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: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: 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: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: 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: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && systemActive == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 0bv32) && methaneLevelCritical == 1bv32) && \result == 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 && systemActive == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 370]: 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: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:00:36,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5a48-6788-49e2-b76e-be5c3b05d5cc/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...