./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs --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 2963ba9c7417707919647c0a9f3ba3f562984873 ............................................................................................................................................ 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_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs --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 2963ba9c7417707919647c0a9f3ba3f562984873 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:01:24,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:01:24,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:01:24,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:01:24,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:01:24,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:01:24,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:01:24,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:01:24,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:01:24,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:01:24,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:01:24,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:01:24,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:01:24,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:01:24,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:01:24,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:01:24,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:01:24,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:01:24,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:01:24,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:01:24,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:01:24,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:01:24,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:01:24,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:01:24,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:01:24,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:01:24,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:01:24,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:01:24,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:01:24,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:01:24,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:01:24,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:01:24,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:01:24,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:01:24,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:01:24,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:01:24,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:01:24,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:01:24,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:01:24,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:01:24,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:01:24,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:01:24,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:01:24,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:01:24,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:01:24,715 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:01:24,716 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:01:24,716 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:01:24,716 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:01:24,716 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:01:24,724 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:01:24,724 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:01:24,725 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:01:24,726 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:01:24,726 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:01:24,726 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:01:24,726 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:01:24,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:01:24,727 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:01:24,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:01:24,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:01:24,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:01:24,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:01:24,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:01:24,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:01:24,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:01:24,729 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:01:24,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:01:24,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:01:24,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:01:24,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:01:24,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:01:24,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:01:24,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:01:24,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:01:24,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:01:24,732 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:01:24,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:01:24,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:01:24,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:01:24,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:01:24,733 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_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2963ba9c7417707919647c0a9f3ba3f562984873 [2021-10-16 03:01:25,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:01:25,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:01:25,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:01:25,092 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:01:25,092 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:01:25,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-16 03:01:25,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data/d5eac7f79/9612c635409842a7ae20f9f82925233a/FLAGdc6a05549 [2021-10-16 03:01:25,765 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:01:25,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-16 03:01:25,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data/d5eac7f79/9612c635409842a7ae20f9f82925233a/FLAGdc6a05549 [2021-10-16 03:01:26,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data/d5eac7f79/9612c635409842a7ae20f9f82925233a [2021-10-16 03:01:26,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:01:26,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:01:26,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:01:26,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:01:26,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:01:26,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:01:26" (1/1) ... [2021-10-16 03:01:26,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27496779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:26, skipping insertion in model container [2021-10-16 03:01:26,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:01:26" (1/1) ... [2021-10-16 03:01:26,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:01:26,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:01:26,320 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_2b48a876-c1d7-4cce-b120-50505c633aae/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2021-10-16 03:01:26,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:01:26,494 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) [2021-10-16 03:01:26,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12f4b939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:26, skipping insertion in model container [2021-10-16 03:01:26,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:01:26,496 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:01:26,499 INFO L168 Benchmark]: Toolchain (without parser) took 471.41 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.3 MB in the beginning and 77.8 MB in the end (delta: -27.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:01:26,500 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:01:26,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.01 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.1 MB in the beginning and 77.8 MB in the end (delta: -27.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:01:26,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 462.01 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.1 MB in the beginning and 77.8 MB in the end (delta: -27.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 622]: 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-5709675 [2021-10-16 03:01:29,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:01:29,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:01:29,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:01:29,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:01:29,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:01:29,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:01:29,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:01:29,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:01:29,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:01:29,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:01:29,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:01:29,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:01:29,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:01:29,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:01:29,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:01:29,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:01:29,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:01:29,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:01:29,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:01:29,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:01:29,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:01:29,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:01:29,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:01:29,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:01:29,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:01:29,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:01:29,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:01:29,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:01:29,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:01:29,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:01:29,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:01:29,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:01:29,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:01:29,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:01:29,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:01:29,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:01:29,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:01:29,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:01:29,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:01:29,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:01:29,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:01:29,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:01:29,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:01:29,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:01:29,365 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:01:29,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:01:29,365 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:01:29,365 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:01:29,366 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:01:29,366 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:01:29,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:01:29,369 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:01:29,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:01:29,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:01:29,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:01:29,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:01:29,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:01:29,370 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:01:29,370 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:01:29,370 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:01:29,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:01:29,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:01:29,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:01:29,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:01:29,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:01:29,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:01:29,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:01:29,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:01:29,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:01:29,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:01:29,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:01:29,373 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:01:29,374 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:01:29,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:01:29,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:01:29,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:01:29,375 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_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2963ba9c7417707919647c0a9f3ba3f562984873 [2021-10-16 03:01:29,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:01:29,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:01:29,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:01:29,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:01:29,859 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:01:29,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-16 03:01:29,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data/ae0bc9281/b3883a44b38e463db7b555350699f01c/FLAG9d16a67d8 [2021-10-16 03:01:30,650 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:01:30,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-16 03:01:30,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data/ae0bc9281/b3883a44b38e463db7b555350699f01c/FLAG9d16a67d8 [2021-10-16 03:01:30,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/data/ae0bc9281/b3883a44b38e463db7b555350699f01c [2021-10-16 03:01:30,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:01:30,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:01:30,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:01:30,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:01:30,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:01:30,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:01:30" (1/1) ... [2021-10-16 03:01:30,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dde4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:30, skipping insertion in model container [2021-10-16 03:01:30,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:01:30" (1/1) ... [2021-10-16 03:01:30,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:01:31,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:01:31,212 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_2b48a876-c1d7-4cce-b120-50505c633aae/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2021-10-16 03:01:31,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:01:31,426 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 03:01:31,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:01:31,439 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_2b48a876-c1d7-4cce-b120-50505c633aae/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2021-10-16 03:01:31,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:01:31,544 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:01:31,559 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_2b48a876-c1d7-4cce-b120-50505c633aae/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2021-10-16 03:01:31,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:01:31,671 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:01:31,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31 WrapperNode [2021-10-16 03:01:31,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:01:31,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:01:31,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:01:31,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:01:31,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:01:31,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:01:31,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:01:31,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:01:31,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:01:31,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:01:31,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:01:31,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:01:31,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (1/1) ... [2021-10-16 03:01:31,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:01:31,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:01:31,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:01:31,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:01:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:01:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:01:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:01:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:01:34,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:01:34,803 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-16 03:01:34,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:01:34 BoogieIcfgContainer [2021-10-16 03:01:34,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:01:34,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:01:34,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:01:34,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:01:34,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:01:30" (1/3) ... [2021-10-16 03:01:34,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24069fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:01:34, skipping insertion in model container [2021-10-16 03:01:34,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:01:31" (2/3) ... [2021-10-16 03:01:34,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24069fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:01:34, skipping insertion in model container [2021-10-16 03:01:34,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:01:34" (3/3) ... [2021-10-16 03:01:34,815 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2021-10-16 03:01:34,821 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:01:34,821 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 03:01:34,879 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:01:34,886 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, mConcurrency=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 [2021-10-16 03:01:34,887 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 03:01:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 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) [2021-10-16 03:01:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 03:01:34,914 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:34,915 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:34,915 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:34,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:34,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1873143772, now seen corresponding path program 1 times [2021-10-16 03:01:34,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:34,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037320400] [2021-10-16 03:01:34,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:34,939 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:34,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:34,944 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:34,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:01:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:35,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 03:01:35,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:35,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:35,415 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:35,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037320400] [2021-10-16 03:01:35,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037320400] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:35,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:35,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 03:01:35,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534597348] [2021-10-16 03:01:35,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:01:35,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:35,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:01:35,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:01:35,450 INFO L87 Difference]: Start difference. First operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 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) [2021-10-16 03:01:35,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:35,503 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2021-10-16 03:01:35,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:01:35,505 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 [2021-10-16 03:01:35,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:35,517 INFO L225 Difference]: With dead ends: 223 [2021-10-16 03:01:35,518 INFO L226 Difference]: Without dead ends: 111 [2021-10-16 03:01:35,521 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:01:35,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-16 03:01:35,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-16 03:01:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 108 states have (on average 1.5092592592592593) internal successors, (163), 110 states have internal predecessors, (163), 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) [2021-10-16 03:01:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2021-10-16 03:01:35,564 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2021-10-16 03:01:35,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:35,564 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2021-10-16 03:01:35,565 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) [2021-10-16 03:01:35,565 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2021-10-16 03:01:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-16 03:01:35,566 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:35,570 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:35,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:35,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:35,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:35,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:35,779 INFO L82 PathProgramCache]: Analyzing trace with hash -2091979741, now seen corresponding path program 1 times [2021-10-16 03:01:35,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:35,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739306064] [2021-10-16 03:01:35,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:35,783 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:35,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:35,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:35,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:01:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:36,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:01:36,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:36,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:36,201 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:36,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739306064] [2021-10-16 03:01:36,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739306064] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:36,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:36,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:01:36,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955948147] [2021-10-16 03:01:36,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:01:36,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:36,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:01:36,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:01:36,224 INFO L87 Difference]: Start difference. First operand 111 states and 163 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) [2021-10-16 03:01:36,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:36,245 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2021-10-16 03:01:36,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:01:36,246 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 [2021-10-16 03:01:36,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:36,248 INFO L225 Difference]: With dead ends: 111 [2021-10-16 03:01:36,248 INFO L226 Difference]: Without dead ends: 47 [2021-10-16 03:01:36,249 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:01:36,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-16 03:01:36,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-16 03:01:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 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) [2021-10-16 03:01:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-16 03:01:36,258 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-16 03:01:36,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:36,259 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-16 03:01:36,259 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) [2021-10-16 03:01:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-16 03:01:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 03:01:36,261 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:36,261 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:36,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-16 03:01:36,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:36,481 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:36,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:36,482 INFO L82 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2021-10-16 03:01:36,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:36,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726518152] [2021-10-16 03:01:36,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:36,484 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:36,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:36,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:36,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:01:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:36,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:01:36,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:36,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:36,915 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:36,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726518152] [2021-10-16 03:01:36,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726518152] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:36,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:36,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:01:36,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669362485] [2021-10-16 03:01:36,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:01:36,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:36,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:01:36,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:01:36,921 INFO L87 Difference]: Start difference. First operand 47 states and 68 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) [2021-10-16 03:01:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:36,991 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2021-10-16 03:01:36,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:01:36,992 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 [2021-10-16 03:01:36,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:36,993 INFO L225 Difference]: With dead ends: 87 [2021-10-16 03:01:36,996 INFO L226 Difference]: Without dead ends: 47 [2021-10-16 03:01:36,997 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:01:36,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-16 03:01:37,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-16 03:01:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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) [2021-10-16 03:01:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-16 03:01:37,008 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-16 03:01:37,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:37,008 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-16 03:01:37,010 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) [2021-10-16 03:01:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-16 03:01:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-16 03:01:37,013 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:37,013 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:37,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:37,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:37,229 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:37,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:37,230 INFO L82 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2021-10-16 03:01:37,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:37,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888095231] [2021-10-16 03:01:37,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:37,232 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:37,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:37,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:37,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 03:01:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:37,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:01:37,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:37,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:37,656 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:37,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888095231] [2021-10-16 03:01:37,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888095231] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:37,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:37,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:01:37,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072350488] [2021-10-16 03:01:37,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:01:37,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:37,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:01:37,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:01:37,661 INFO L87 Difference]: Start difference. First operand 47 states and 67 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) [2021-10-16 03:01:37,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:37,731 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2021-10-16 03:01:37,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:01:37,732 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 [2021-10-16 03:01:37,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:37,737 INFO L225 Difference]: With dead ends: 109 [2021-10-16 03:01:37,738 INFO L226 Difference]: Without dead ends: 69 [2021-10-16 03:01:37,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:01:37,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-16 03:01:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-10-16 03:01:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 66 states have internal predecessors, (95), 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) [2021-10-16 03:01:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2021-10-16 03:01:37,758 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2021-10-16 03:01:37,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:37,759 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2021-10-16 03:01:37,759 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) [2021-10-16 03:01:37,759 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2021-10-16 03:01:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-16 03:01:37,761 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:37,761 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:37,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:37,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:37,962 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:37,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:37,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2021-10-16 03:01:37,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:37,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671916857] [2021-10-16 03:01:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:37,964 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:37,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:37,965 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:37,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 03:01:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:38,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:01:38,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:38,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:38,520 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:38,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671916857] [2021-10-16 03:01:38,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671916857] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:38,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:38,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 03:01:38,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404561550] [2021-10-16 03:01:38,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:01:38,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:38,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:01:38,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:01:38,528 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:01:38,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:38,687 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2021-10-16 03:01:38,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 03:01:38,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-16 03:01:38,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:38,690 INFO L225 Difference]: With dead ends: 313 [2021-10-16 03:01:38,690 INFO L226 Difference]: Without dead ends: 253 [2021-10-16 03:01:38,691 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 64.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-16 03:01:38,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-10-16 03:01:38,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2021-10-16 03:01:38,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.423728813559322) internal successors, (168), 118 states have internal predecessors, (168), 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) [2021-10-16 03:01:38,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2021-10-16 03:01:38,714 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2021-10-16 03:01:38,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:38,714 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2021-10-16 03:01:38,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:01:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2021-10-16 03:01:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 03:01:38,717 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:38,717 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:38,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-16 03:01:38,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:38,931 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:38,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:38,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2021-10-16 03:01:38,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:38,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359384750] [2021-10-16 03:01:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:38,933 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:38,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:38,934 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:38,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 03:01:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:39,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:01:39,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:39,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:39,450 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:39,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359384750] [2021-10-16 03:01:39,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359384750] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:39,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:39,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 03:01:39,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986476681] [2021-10-16 03:01:39,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:01:39,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:39,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:01:39,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:01:39,454 INFO L87 Difference]: Start difference. First operand 119 states and 168 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) [2021-10-16 03:01:39,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:39,637 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2021-10-16 03:01:39,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 03:01:39,637 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 [2021-10-16 03:01:39,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:39,640 INFO L225 Difference]: With dead ends: 436 [2021-10-16 03:01:39,641 INFO L226 Difference]: Without dead ends: 324 [2021-10-16 03:01:39,642 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 54.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-16 03:01:39,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-10-16 03:01:39,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2021-10-16 03:01:39,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.4102564102564104) internal successors, (165), 117 states have internal predecessors, (165), 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) [2021-10-16 03:01:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2021-10-16 03:01:39,670 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2021-10-16 03:01:39,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:39,670 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2021-10-16 03:01:39,671 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) [2021-10-16 03:01:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2021-10-16 03:01:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 03:01:39,672 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:39,673 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:39,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:39,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:39,887 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:39,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:39,887 INFO L82 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2021-10-16 03:01:39,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:39,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520042272] [2021-10-16 03:01:39,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:39,888 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:39,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:39,890 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:39,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 03:01:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:40,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:01:40,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:40,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:40,425 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:40,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520042272] [2021-10-16 03:01:40,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520042272] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:40,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:40,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 03:01:40,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659926076] [2021-10-16 03:01:40,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:01:40,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:40,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:01:40,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:01:40,428 INFO L87 Difference]: Start difference. First operand 118 states and 165 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) [2021-10-16 03:01:40,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:40,542 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2021-10-16 03:01:40,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 03:01:40,542 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 [2021-10-16 03:01:40,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:40,545 INFO L225 Difference]: With dead ends: 315 [2021-10-16 03:01:40,545 INFO L226 Difference]: Without dead ends: 204 [2021-10-16 03:01:40,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:01:40,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-16 03:01:40,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2021-10-16 03:01:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.372093023255814) internal successors, (177), 129 states have internal predecessors, (177), 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) [2021-10-16 03:01:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2021-10-16 03:01:40,566 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2021-10-16 03:01:40,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:40,566 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2021-10-16 03:01:40,567 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) [2021-10-16 03:01:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2021-10-16 03:01:40,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 03:01:40,568 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:40,569 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:40,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:40,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:40,792 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:40,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2021-10-16 03:01:40,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:40,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26595344] [2021-10-16 03:01:40,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:40,794 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:40,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:40,796 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:40,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 03:01:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:41,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:01:41,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:41,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:41,284 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:41,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26595344] [2021-10-16 03:01:41,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26595344] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:41,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:41,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 03:01:41,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514271119] [2021-10-16 03:01:41,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:01:41,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:41,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:01:41,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:01:41,286 INFO L87 Difference]: Start difference. First operand 130 states and 177 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) [2021-10-16 03:01:41,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:41,367 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2021-10-16 03:01:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 03:01:41,368 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 [2021-10-16 03:01:41,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:41,370 INFO L225 Difference]: With dead ends: 349 [2021-10-16 03:01:41,370 INFO L226 Difference]: Without dead ends: 226 [2021-10-16 03:01:41,372 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 29.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:01:41,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-16 03:01:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2021-10-16 03:01:41,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3503649635036497) internal successors, (185), 137 states have internal predecessors, (185), 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) [2021-10-16 03:01:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2021-10-16 03:01:41,400 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2021-10-16 03:01:41,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:41,401 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2021-10-16 03:01:41,401 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) [2021-10-16 03:01:41,402 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2021-10-16 03:01:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 03:01:41,408 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:41,409 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:41,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:41,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:41,621 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:41,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:41,621 INFO L82 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2021-10-16 03:01:41,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:41,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089088984] [2021-10-16 03:01:41,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:41,622 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:41,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:41,623 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:41,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 03:01:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:41,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:01:41,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:42,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:42,164 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:42,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089088984] [2021-10-16 03:01:42,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2089088984] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:42,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:42,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 03:01:42,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480641937] [2021-10-16 03:01:42,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:01:42,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:01:42,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:01:42,170 INFO L87 Difference]: Start difference. First operand 138 states and 185 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) [2021-10-16 03:01:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:42,238 INFO L93 Difference]: Finished difference Result 422 states and 569 transitions. [2021-10-16 03:01:42,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:01:42,239 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 [2021-10-16 03:01:42,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:42,241 INFO L225 Difference]: With dead ends: 422 [2021-10-16 03:01:42,241 INFO L226 Difference]: Without dead ends: 291 [2021-10-16 03:01:42,242 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:01:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-16 03:01:42,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 239. [2021-10-16 03:01:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 238 states have (on average 1.3361344537815125) internal successors, (318), 238 states have internal predecessors, (318), 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) [2021-10-16 03:01:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2021-10-16 03:01:42,273 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 33 [2021-10-16 03:01:42,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:42,275 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2021-10-16 03:01:42,276 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) [2021-10-16 03:01:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2021-10-16 03:01:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 03:01:42,278 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:42,278 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:42,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:42,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:42,491 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:42,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:42,491 INFO L82 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2021-10-16 03:01:42,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:42,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767987646] [2021-10-16 03:01:42,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:42,492 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:42,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:42,493 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:42,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 03:01:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:42,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:01:42,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:42,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:43,103 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:43,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767987646] [2021-10-16 03:01:43,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767987646] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:43,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:43,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:01:43,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235661881] [2021-10-16 03:01:43,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:01:43,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:43,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:01:43,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:01:43,106 INFO L87 Difference]: Start difference. First operand 239 states and 318 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) [2021-10-16 03:01:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:43,185 INFO L93 Difference]: Finished difference Result 407 states and 540 transitions. [2021-10-16 03:01:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:01:43,187 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 [2021-10-16 03:01:43,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:43,190 INFO L225 Difference]: With dead ends: 407 [2021-10-16 03:01:43,191 INFO L226 Difference]: Without dead ends: 405 [2021-10-16 03:01:43,191 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:01:43,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-10-16 03:01:43,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 304. [2021-10-16 03:01:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.3663366336633664) internal successors, (414), 303 states have internal predecessors, (414), 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) [2021-10-16 03:01:43,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 414 transitions. [2021-10-16 03:01:43,232 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 414 transitions. Word has length 34 [2021-10-16 03:01:43,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:43,233 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 414 transitions. [2021-10-16 03:01:43,233 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) [2021-10-16 03:01:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 414 transitions. [2021-10-16 03:01:43,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 03:01:43,234 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:43,235 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:43,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:43,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:43,449 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:43,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:43,449 INFO L82 PathProgramCache]: Analyzing trace with hash 905558712, now seen corresponding path program 1 times [2021-10-16 03:01:43,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:43,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167054175] [2021-10-16 03:01:43,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:43,450 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:43,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:43,451 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:43,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 03:01:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:43,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 03:01:43,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:01:44,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:01:44,261 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:44,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167054175] [2021-10-16 03:01:44,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167054175] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:44,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:44,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-16 03:01:44,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348307761] [2021-10-16 03:01:44,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 03:01:44,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:44,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 03:01:44,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:01:44,264 INFO L87 Difference]: Start difference. First operand 304 states and 414 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) [2021-10-16 03:01:45,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:45,996 INFO L93 Difference]: Finished difference Result 978 states and 1319 transitions. [2021-10-16 03:01:45,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 03:01:45,997 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 [2021-10-16 03:01:45,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:46,004 INFO L225 Difference]: With dead ends: 978 [2021-10-16 03:01:46,004 INFO L226 Difference]: Without dead ends: 681 [2021-10-16 03:01:46,005 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 153.6ms TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-16 03:01:46,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2021-10-16 03:01:46,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 237. [2021-10-16 03:01:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 1.326271186440678) internal successors, (313), 236 states have internal predecessors, (313), 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) [2021-10-16 03:01:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 313 transitions. [2021-10-16 03:01:46,044 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 313 transitions. Word has length 56 [2021-10-16 03:01:46,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:46,046 INFO L470 AbstractCegarLoop]: Abstraction has 237 states and 313 transitions. [2021-10-16 03:01:46,046 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) [2021-10-16 03:01:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 313 transitions. [2021-10-16 03:01:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-16 03:01:46,048 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:01:46,048 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:01:46,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:46,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:46,262 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:01:46,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:01:46,263 INFO L82 PathProgramCache]: Analyzing trace with hash 711163183, now seen corresponding path program 1 times [2021-10-16 03:01:46,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:01:46,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250960853] [2021-10-16 03:01:46,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:01:46,264 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:01:46,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:01:46,266 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:01:46,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-16 03:01:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:01:46,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:01:46,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:01:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:46,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:01:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:01:47,020 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:01:47,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250960853] [2021-10-16 03:01:47,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1250960853] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:01:47,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:01:47,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:01:47,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328134685] [2021-10-16 03:01:47,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:01:47,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:01:47,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:01:47,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:01:47,023 INFO L87 Difference]: Start difference. First operand 237 states and 313 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) [2021-10-16 03:01:49,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:01:49,952 INFO L93 Difference]: Finished difference Result 435 states and 579 transitions. [2021-10-16 03:01:49,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:01:49,953 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 [2021-10-16 03:01:49,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:01:49,954 INFO L225 Difference]: With dead ends: 435 [2021-10-16 03:01:49,954 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:01:49,955 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:01:49,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:01:49,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:01:49,955 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) [2021-10-16 03:01:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:01:49,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-16 03:01:49,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:01:49,956 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:01:49,956 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) [2021-10-16 03:01:49,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:01:49,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:01:49,959 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:01:49,960 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:01:49,960 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:01:49,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-16 03:01:50,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:01:50,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:01:50,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:50,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:50,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:50,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:50,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:50,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:50,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:50,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:50,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:51,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:01:56,417 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 03:01:56,418 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 03:01:56,418 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2021-10-16 03:01:56,418 INFO L857 garLoopResultBuilder]: For program point L506-3(lines 506 510) no Hoare annotation was computed. [2021-10-16 03:01:56,419 INFO L857 garLoopResultBuilder]: For program point L506-6(lines 506 510) no Hoare annotation was computed. [2021-10-16 03:01:56,419 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 388) no Hoare annotation was computed. [2021-10-16 03:01:56,419 INFO L857 garLoopResultBuilder]: For program point L78(lines 78 95) no Hoare annotation was computed. [2021-10-16 03:01:56,419 INFO L853 garLoopResultBuilder]: At program point L78-1(lines 1 958) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (and .cse0 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse4 .cse5 .cse6))) [2021-10-16 03:01:56,419 INFO L857 garLoopResultBuilder]: For program point L78-2(lines 78 95) no Hoare annotation was computed. [2021-10-16 03:01:56,420 INFO L853 garLoopResultBuilder]: At program point L78-3(lines 1 958) the Hoare annotation is: false [2021-10-16 03:01:56,420 INFO L857 garLoopResultBuilder]: For program point L78-4(lines 78 95) no Hoare annotation was computed. [2021-10-16 03:01:56,420 INFO L853 garLoopResultBuilder]: At program point L78-5(lines 1 958) the Hoare annotation is: false [2021-10-16 03:01:56,420 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2021-10-16 03:01:56,420 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 211 228) no Hoare annotation was computed. [2021-10-16 03:01:56,421 INFO L857 garLoopResultBuilder]: For program point L211-2(lines 211 228) no Hoare annotation was computed. [2021-10-16 03:01:56,421 INFO L853 garLoopResultBuilder]: At program point L543(lines 538 546) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-10-16 03:01:56,421 INFO L853 garLoopResultBuilder]: At program point L543-1(lines 538 546) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7) (and .cse0 .cse1 .cse5 .cse6 .cse2) (and .cse0 .cse2 .cse3 .cse4 .cse7))) [2021-10-16 03:01:56,421 INFO L853 garLoopResultBuilder]: At program point L543-2(lines 538 546) the Hoare annotation is: false [2021-10-16 03:01:56,421 INFO L853 garLoopResultBuilder]: At program point L543-3(lines 538 546) the Hoare annotation is: false [2021-10-16 03:01:56,422 INFO L853 garLoopResultBuilder]: At program point L543-4(lines 538 546) the Hoare annotation is: false [2021-10-16 03:01:56,422 INFO L853 garLoopResultBuilder]: At program point L543-5(lines 538 546) the Hoare annotation is: false [2021-10-16 03:01:56,422 INFO L857 garLoopResultBuilder]: For program point L346(lines 345 392) no Hoare annotation was computed. [2021-10-16 03:01:56,423 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,423 INFO L857 garLoopResultBuilder]: For program point L313-2(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,423 INFO L857 garLoopResultBuilder]: For program point L313-3(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,423 INFO L857 garLoopResultBuilder]: For program point L313-5(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,424 INFO L857 garLoopResultBuilder]: For program point L313-6(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,424 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 92) no Hoare annotation was computed. [2021-10-16 03:01:56,424 INFO L857 garLoopResultBuilder]: For program point L313-8(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,424 INFO L857 garLoopResultBuilder]: For program point L313-9(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,425 INFO L857 garLoopResultBuilder]: For program point L82-2(lines 82 92) no Hoare annotation was computed. [2021-10-16 03:01:56,425 INFO L857 garLoopResultBuilder]: For program point L313-11(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,425 INFO L857 garLoopResultBuilder]: For program point L82-4(lines 82 92) no Hoare annotation was computed. [2021-10-16 03:01:56,426 INFO L857 garLoopResultBuilder]: For program point L313-12(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,427 INFO L857 garLoopResultBuilder]: For program point L313-14(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,427 INFO L857 garLoopResultBuilder]: For program point L313-15(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,427 INFO L857 garLoopResultBuilder]: For program point L313-17(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L853 garLoopResultBuilder]: At program point L413-2(lines 413 427) the Hoare annotation is: false [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 223) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 215 223) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 215 223) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point L83-4(lines 83 89) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-10-16 03:01:56,428 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:01:56,429 INFO L853 garLoopResultBuilder]: At program point L383-2(lines 153 159) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-10-16 03:01:56,429 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 202) no Hoare annotation was computed. [2021-10-16 03:01:56,429 INFO L857 garLoopResultBuilder]: For program point L185-1(lines 185 202) no Hoare annotation was computed. [2021-10-16 03:01:56,429 INFO L857 garLoopResultBuilder]: For program point L185-2(lines 185 202) no Hoare annotation was computed. [2021-10-16 03:01:56,429 INFO L857 garLoopResultBuilder]: For program point L185-3(lines 185 202) no Hoare annotation was computed. [2021-10-16 03:01:56,429 INFO L857 garLoopResultBuilder]: For program point L185-4(lines 185 202) no Hoare annotation was computed. [2021-10-16 03:01:56,429 INFO L857 garLoopResultBuilder]: For program point L185-5(lines 185 202) no Hoare annotation was computed. [2021-10-16 03:01:56,429 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2021-10-16 03:01:56,429 INFO L857 garLoopResultBuilder]: For program point L417-1(lines 153 159) no Hoare annotation was computed. [2021-10-16 03:01:56,429 INFO L853 garLoopResultBuilder]: At program point L153(lines 152 171) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (bvslt ~waterLevel~0 (_ bv2 32)) .cse4 .cse3) (and .cse0 .cse5 .cse2 .cse4 .cse3) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse6 .cse2 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse6 .cse5 .cse2 .cse4))) [2021-10-16 03:01:56,429 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 153 159) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L853 garLoopResultBuilder]: At program point L153-2(lines 152 171) the Hoare annotation is: false [2021-10-16 03:01:56,430 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L853 garLoopResultBuilder]: At program point L153-3(lines 152 171) the Hoare annotation is: false [2021-10-16 03:01:56,430 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 589) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 583 589) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L857 garLoopResultBuilder]: For program point L583-2(lines 583 589) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L857 garLoopResultBuilder]: For program point L583-3(lines 583 589) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L857 garLoopResultBuilder]: For program point L583-4(lines 583 589) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L857 garLoopResultBuilder]: For program point L583-5(lines 583 589) no Hoare annotation was computed. [2021-10-16 03:01:56,430 INFO L853 garLoopResultBuilder]: At program point L319(lines 304 322) the Hoare annotation is: false [2021-10-16 03:01:56,431 INFO L853 garLoopResultBuilder]: At program point L319-1(lines 304 322) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse3 .cse2) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32))) .cse3 .cse2))) [2021-10-16 03:01:56,431 INFO L853 garLoopResultBuilder]: At program point L319-2(lines 304 322) the Hoare annotation is: false [2021-10-16 03:01:56,431 INFO L853 garLoopResultBuilder]: At program point L319-3(lines 304 322) the Hoare annotation is: false [2021-10-16 03:01:56,431 INFO L853 garLoopResultBuilder]: At program point L319-4(lines 304 322) the Hoare annotation is: false [2021-10-16 03:01:56,431 INFO L853 garLoopResultBuilder]: At program point L319-5(lines 304 322) the Hoare annotation is: false [2021-10-16 03:01:56,431 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-10-16 03:01:56,431 INFO L857 garLoopResultBuilder]: For program point L485(lines 485 492) no Hoare annotation was computed. [2021-10-16 03:01:56,431 INFO L860 garLoopResultBuilder]: At program point L485-1(lines 485 492) the Hoare annotation is: true [2021-10-16 03:01:56,431 INFO L853 garLoopResultBuilder]: At program point L255(lines 248 258) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-16 03:01:56,431 INFO L853 garLoopResultBuilder]: At program point L255-1(lines 248 258) the Hoare annotation is: false [2021-10-16 03:01:56,431 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 197) no Hoare annotation was computed. [2021-10-16 03:01:56,432 INFO L853 garLoopResultBuilder]: At program point L255-2(lines 248 258) the Hoare annotation is: false [2021-10-16 03:01:56,432 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 189 197) no Hoare annotation was computed. [2021-10-16 03:01:56,432 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 189 197) no Hoare annotation was computed. [2021-10-16 03:01:56,432 INFO L857 garLoopResultBuilder]: For program point L189-3(lines 189 197) no Hoare annotation was computed. [2021-10-16 03:01:56,432 INFO L857 garLoopResultBuilder]: For program point L189-4(lines 189 197) no Hoare annotation was computed. [2021-10-16 03:01:56,432 INFO L857 garLoopResultBuilder]: For program point L189-5(lines 189 197) no Hoare annotation was computed. [2021-10-16 03:01:56,432 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 361) no Hoare annotation was computed. [2021-10-16 03:01:56,432 INFO L853 garLoopResultBuilder]: At program point L355-1(lines 355 361) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (and .cse0 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse4 .cse5 .cse6))) [2021-10-16 03:01:56,432 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:01:56,432 INFO L853 garLoopResultBuilder]: At program point L125(lines 1 958) 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)) [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L588(lines 579 592) the Hoare annotation is: false [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L588-1(lines 579 592) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse3 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (bvslt ~waterLevel~0 (_ bv2 32)) .cse3 .cse2))) [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L588-2(lines 579 592) the Hoare annotation is: false [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L588-3(lines 579 592) the Hoare annotation is: false [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L588-4(lines 579 592) the Hoare annotation is: false [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L588-5(lines 579 592) the Hoare annotation is: false [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L160(lines 160 166) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse5 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse4))) [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: false [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L160-2(lines 160 166) the Hoare annotation is: false [2021-10-16 03:01:56,433 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:01:56,433 INFO L853 garLoopResultBuilder]: At program point L393(lines 344 394) the Hoare annotation is: false [2021-10-16 03:01:56,434 INFO L860 garLoopResultBuilder]: At program point L494(lines 475 497) the Hoare annotation is: true [2021-10-16 03:01:56,434 INFO L853 garLoopResultBuilder]: At program point L461(lines 457 463) 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)) [2021-10-16 03:01:56,434 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:01:56,434 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 03:01:56,434 INFO L853 garLoopResultBuilder]: At program point L264(lines 259 267) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-16 03:01:56,434 INFO L853 garLoopResultBuilder]: At program point L264-1(lines 259 267) the Hoare annotation is: false [2021-10-16 03:01:56,434 INFO L853 garLoopResultBuilder]: At program point L264-2(lines 259 267) the Hoare annotation is: false [2021-10-16 03:01:56,434 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) 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)) [2021-10-16 03:01:56,434 INFO L853 garLoopResultBuilder]: At program point L67(lines 62 69) 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)) [2021-10-16 03:01:56,434 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-16 03:01:56,435 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 371) no Hoare annotation was computed. [2021-10-16 03:01:56,435 INFO L853 garLoopResultBuilder]: At program point L365-1(lines 365 371) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-10-16 03:01:56,438 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:01:56,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:01:56 BoogieIcfgContainer [2021-10-16 03:01:56,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:01:56,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:01:56,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:01:56,475 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:01:56,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:01:34" (3/4) ... [2021-10-16 03:01:56,479 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:01:56,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 03:01:56,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 03:01:56,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 03:01:56,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 03:01:56,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 03:01:56,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:01:56,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:01:56,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-16 03:01:56,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-16 03:01:56,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-16 03:01:56,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-16 03:01:56,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-16 03:01:56,557 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:01:56,558 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-16 03:01:56,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-16 03:01:56,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:01:56,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:01:56,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:01:56,647 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:01:56,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:01:56,649 INFO L168 Benchmark]: Toolchain (without parser) took 25692.77 ms. Allocated memory was 60.8 MB in the beginning and 121.6 MB in the end (delta: 60.8 MB). Free memory was 37.3 MB in the beginning and 61.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:01:56,650 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:01:56,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.30 ms. Allocated memory is still 60.8 MB. Free memory was 37.1 MB in the beginning and 29.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:01:56,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.50 ms. Allocated memory is still 60.8 MB. Free memory was 29.6 MB in the beginning and 26.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:01:56,651 INFO L168 Benchmark]: Boogie Preprocessor took 75.41 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 26.0 MB in the beginning and 57.9 MB in the end (delta: -31.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:01:56,652 INFO L168 Benchmark]: RCFGBuilder took 2956.18 ms. Allocated memory is still 77.6 MB. Free memory was 57.7 MB in the beginning and 49.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:01:56,652 INFO L168 Benchmark]: TraceAbstraction took 21666.94 ms. Allocated memory was 77.6 MB in the beginning and 121.6 MB in the end (delta: 44.0 MB). Free memory was 49.3 MB in the beginning and 70.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:01:56,653 INFO L168 Benchmark]: Witness Printer took 173.05 ms. Allocated memory is still 121.6 MB. Free memory was 70.6 MB in the beginning and 61.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:01:56,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 715.30 ms. Allocated memory is still 60.8 MB. Free memory was 37.1 MB in the beginning and 29.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.50 ms. Allocated memory is still 60.8 MB. Free memory was 29.6 MB in the beginning and 26.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.41 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 26.0 MB in the beginning and 57.9 MB in the end (delta: -31.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2956.18 ms. Allocated memory is still 77.6 MB. Free memory was 57.7 MB in the beginning and 49.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21666.94 ms. Allocated memory was 77.6 MB in the beginning and 121.6 MB in the end (delta: 44.0 MB). Free memory was 49.3 MB in the beginning and 70.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. * Witness Printer took 173.05 ms. Allocated memory is still 121.6 MB. Free memory was 70.6 MB in the beginning and 61.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 115 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 21561.6ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 34.9ms, AutomataDifference: 5673.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 6236.4ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1133 SDtfs, 1384 SDslu, 2373 SDs, 0 SdLazy, 285 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4666.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 800 GetRequests, 751 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 386.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=10, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 275.0ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1101 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 124 NumberOfFragments, 821 HoareAnnotationTreeSize, 44 FomulaSimplifications, 413066 FormulaSimplificationTreeSizeReduction, 1784.9ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 44232 FormulaSimplificationTreeSizeReductionInter, 4435.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 284.2ms SsaConstructionTime, 1565.3ms SatisfiabilityAnalysisTime, 3275.4ms InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 1433 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2576 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 82/82 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: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 62]: 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: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-16 03:01:56,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b48a876-c1d7-4cce-b120-50505c633aae/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...