./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 ............................................................................................................................................ 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_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:38:07,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:38:07,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:38:07,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:38:07,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:38:07,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:38:07,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:38:07,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:38:07,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:38:07,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:38:07,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:38:07,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:38:07,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:38:07,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:38:07,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:38:07,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:38:07,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:38:07,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:38:07,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:38:07,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:38:07,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:38:07,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:38:07,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:38:07,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:38:07,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:38:07,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:38:07,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:38:07,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:38:07,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:38:07,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:38:07,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:38:07,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:38:07,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:38:07,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:38:07,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:38:07,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:38:07,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:38:07,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:38:07,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:38:07,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:38:07,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:38:07,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:38:07,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:38:07,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:38:07,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:38:07,838 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:38:07,838 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:38:07,838 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:38:07,838 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:38:07,841 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:38:07,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:38:07,842 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:38:07,843 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:38:07,843 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:38:07,844 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:38:07,844 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:38:07,844 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:38:07,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:38:07,845 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:38:07,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:38:07,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:38:07,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:38:07,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:38:07,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:38:07,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:38:07,847 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:38:07,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:38:07,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:38:07,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:38:07,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:38:07,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:38:07,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:38:07,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:38:07,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:38:07,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:38:07,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:38:07,851 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:38:07,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:38:07,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:38:07,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:38:07,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:38:07,852 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_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 [2021-10-29 04:38:08,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:38:08,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:38:08,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:38:08,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:38:08,138 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:38:08,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-29 04:38:08,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data/25afd9589/a8c76837a3d84ad4afb40c346c6fa13b/FLAGe560d3b07 [2021-10-29 04:38:08,709 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:38:08,710 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-29 04:38:08,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data/25afd9589/a8c76837a3d84ad4afb40c346c6fa13b/FLAGe560d3b07 [2021-10-29 04:38:09,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data/25afd9589/a8c76837a3d84ad4afb40c346c6fa13b [2021-10-29 04:38:09,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:38:09,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:38:09,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:38:09,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:38:09,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:38:09,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:38:09" (1/1) ... [2021-10-29 04:38:09,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f824874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:09, skipping insertion in model container [2021-10-29 04:38:09,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:38:09" (1/1) ... [2021-10-29 04:38:09,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:38:09,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:38:09,385 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_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-10-29 04:38:09,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:38:09,417 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 04:38:09,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6161bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:09, skipping insertion in model container [2021-10-29 04:38:09,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:38:09,418 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:38:09,420 INFO L168 Benchmark]: Toolchain (without parser) took 371.16 ms. Allocated memory is still 111.1 MB. Free memory was 71.7 MB in the beginning and 82.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:38:09,421 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 111.1 MB. Free memory was 89.3 MB in the beginning and 89.2 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:38:09,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.59 ms. Allocated memory is still 111.1 MB. Free memory was 71.5 MB in the beginning and 82.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:38:09,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 111.1 MB. Free memory was 89.3 MB in the beginning and 89.2 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.59 ms. Allocated memory is still 111.1 MB. Free memory was 71.5 MB in the beginning and 82.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 116]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:38:11,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:38:11,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:38:11,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:38:11,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:38:11,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:38:11,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:38:11,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:38:11,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:38:11,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:38:11,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:38:11,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:38:11,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:38:11,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:38:11,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:38:11,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:38:11,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:38:11,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:38:11,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:38:11,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:38:11,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:38:11,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:38:11,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:38:11,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:38:11,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:38:11,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:38:11,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:38:11,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:38:11,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:38:11,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:38:11,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:38:11,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:38:11,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:38:11,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:38:11,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:38:11,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:38:11,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:38:11,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:38:11,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:38:11,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:38:11,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:38:11,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:38:11,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:38:11,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:38:11,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:38:11,812 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:38:11,813 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:38:11,813 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:38:11,813 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:38:11,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:38:11,814 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:38:11,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:38:11,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:38:11,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:38:11,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:38:11,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:38:11,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:38:11,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:38:11,818 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:38:11,818 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:38:11,818 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:38:11,818 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:38:11,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:38:11,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:38:11,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:38:11,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:38:11,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:38:11,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:38:11,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:38:11,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:38:11,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:38:11,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:38:11,821 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:38:11,821 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:38:11,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:38:11,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:38:11,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:38:11,822 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_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 [2021-10-29 04:38:12,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:38:12,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:38:12,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:38:12,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:38:12,186 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:38:12,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-29 04:38:12,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data/0638f3c22/f5e802b3395c4077b99cc0e9f9f47ed7/FLAG928fb9c54 [2021-10-29 04:38:12,831 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:38:12,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-29 04:38:12,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data/0638f3c22/f5e802b3395c4077b99cc0e9f9f47ed7/FLAG928fb9c54 [2021-10-29 04:38:13,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/data/0638f3c22/f5e802b3395c4077b99cc0e9f9f47ed7 [2021-10-29 04:38:13,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:38:13,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:38:13,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:38:13,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:38:13,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:38:13,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f31d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13, skipping insertion in model container [2021-10-29 04:38:13,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:38:13,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:38:13,479 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-10-29 04:38:13,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:38:13,515 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:38:13,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:38:13,568 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_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-10-29 04:38:13,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:38:13,586 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:38:13,643 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_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-10-29 04:38:13,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:38:13,696 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:38:13,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13 WrapperNode [2021-10-29 04:38:13,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:38:13,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:38:13,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:38:13,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:38:13,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:38:13,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:38:13,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:38:13,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:38:13,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:38:13,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:38:13,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:38:13,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:38:13,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (1/1) ... [2021-10-29 04:38:13,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:38:13,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:38:13,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:38:13,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:38:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:38:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:38:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:38:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:38:16,025 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:38:16,025 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-29 04:38:16,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:38:16 BoogieIcfgContainer [2021-10-29 04:38:16,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:38:16,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:38:16,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:38:16,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:38:16,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:38:13" (1/3) ... [2021-10-29 04:38:16,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f3593f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:38:16, skipping insertion in model container [2021-10-29 04:38:16,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:38:13" (2/3) ... [2021-10-29 04:38:16,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f3593f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:38:16, skipping insertion in model container [2021-10-29 04:38:16,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:38:16" (3/3) ... [2021-10-29 04:38:16,035 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2021-10-29 04:38:16,041 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:38:16,041 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 04:38:16,102 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:38:16,112 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 04:38:16,112 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 04:38:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:38:16,147 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:38:16,147 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:38:16,148 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:38:16,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:38:16,154 INFO L85 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-10-29 04:38:16,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:38:16,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152284149] [2021-10-29 04:38:16,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:38:16,169 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:38:16,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:38:16,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:38:16,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:38:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:38:16,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 04:38:16,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:38:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:16,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:38:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:16,550 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:38:16,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152284149] [2021-10-29 04:38:16,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152284149] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:38:16,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:38:16,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:38:16,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25622826] [2021-10-29 04:38:16,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 04:38:16,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:38:16,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 04:38:16,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:38:16,579 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:16,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:38:16,615 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-29 04:38:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 04:38:16,616 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-29 04:38:16,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:38:16,627 INFO L225 Difference]: With dead ends: 136 [2021-10-29 04:38:16,627 INFO L226 Difference]: Without dead ends: 67 [2021-10-29 04:38:16,630 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:38:16,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-29 04:38:16,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-29 04:38:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.453125) internal successors, (93), 66 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:16,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-29 04:38:16,675 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-29 04:38:16,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:38:16,675 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-29 04:38:16,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-29 04:38:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:38:16,678 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:38:16,678 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:38:16,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:38:16,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:38:16,890 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:38:16,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:38:16,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-10-29 04:38:16,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:38:16,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998073489] [2021-10-29 04:38:16,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:38:16,895 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:38:16,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:38:16,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:38:16,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:38:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:38:17,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:38:17,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:38:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:17,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:38:17,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:17,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:38:17,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998073489] [2021-10-29 04:38:17,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998073489] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:38:17,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:38:17,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:38:17,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203943624] [2021-10-29 04:38:17,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:38:17,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:38:17,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:38:17,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:38:17,276 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:17,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:38:17,287 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-29 04:38:17,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:38:17,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-10-29 04:38:17,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:38:17,288 INFO L225 Difference]: With dead ends: 67 [2021-10-29 04:38:17,288 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 04:38:17,289 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:38:17,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 04:38:17,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 04:38:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-29 04:38:17,294 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-29 04:38:17,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:38:17,294 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-29 04:38:17,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-29 04:38:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:38:17,296 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:38:17,296 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:38:17,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 04:38:17,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:38:17,511 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:38:17,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:38:17,520 INFO L85 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-10-29 04:38:17,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:38:17,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287402657] [2021-10-29 04:38:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:38:17,521 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:38:17,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:38:17,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:38:17,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 04:38:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:38:17,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:38:17,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:38:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:17,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:38:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:17,885 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:38:17,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287402657] [2021-10-29 04:38:17,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287402657] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:38:17,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:38:17,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:38:17,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763628013] [2021-10-29 04:38:17,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:38:17,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:38:17,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:38:17,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:38:17,890 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:17,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:38:17,961 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2021-10-29 04:38:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:38:17,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 04:38:17,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:38:17,968 INFO L225 Difference]: With dead ends: 110 [2021-10-29 04:38:17,968 INFO L226 Difference]: Without dead ends: 83 [2021-10-29 04:38:17,969 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:38:17,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-29 04:38:17,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2021-10-29 04:38:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-10-29 04:38:17,983 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-10-29 04:38:17,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:38:17,984 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-10-29 04:38:17,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-10-29 04:38:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:38:17,986 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:38:17,986 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:38:18,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 04:38:18,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:38:18,200 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:38:18,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:38:18,201 INFO L85 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-10-29 04:38:18,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:38:18,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399128696] [2021-10-29 04:38:18,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:38:18,202 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:38:18,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:38:18,203 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:38:18,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 04:38:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:38:18,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:38:18,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:38:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:18,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:38:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:18,678 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:38:18,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399128696] [2021-10-29 04:38:18,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399128696] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:38:18,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:38:18,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 04:38:18,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233916980] [2021-10-29 04:38:18,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 04:38:18,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:38:18,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 04:38:18,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 04:38:18,684 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:18,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:38:18,924 INFO L93 Difference]: Finished difference Result 351 states and 542 transitions. [2021-10-29 04:38:18,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 04:38:18,925 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 04:38:18,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:38:18,928 INFO L225 Difference]: With dead ends: 351 [2021-10-29 04:38:18,928 INFO L226 Difference]: Without dead ends: 305 [2021-10-29 04:38:18,929 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-29 04:38:18,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-29 04:38:18,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 130. [2021-10-29 04:38:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.449612403100775) internal successors, (187), 129 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2021-10-29 04:38:18,957 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2021-10-29 04:38:18,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:38:18,957 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2021-10-29 04:38:18,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2021-10-29 04:38:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:38:18,959 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:38:18,959 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:38:18,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 04:38:19,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:38:19,169 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:38:19,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:38:19,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1423522528, now seen corresponding path program 1 times [2021-10-29 04:38:19,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:38:19,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076653385] [2021-10-29 04:38:19,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:38:19,171 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:38:19,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:38:19,172 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:38:19,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 04:38:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:38:19,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:38:19,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:38:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:19,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:38:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:19,475 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:38:19,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076653385] [2021-10-29 04:38:19,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076653385] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:38:19,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:38:19,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 04:38:19,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498998391] [2021-10-29 04:38:19,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:38:19,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:38:19,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:38:19,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:38:19,483 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:20,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:38:20,838 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2021-10-29 04:38:20,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:38:20,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 04:38:20,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:38:20,840 INFO L225 Difference]: With dead ends: 342 [2021-10-29 04:38:20,840 INFO L226 Difference]: Without dead ends: 218 [2021-10-29 04:38:20,841 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:38:20,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-29 04:38:20,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2021-10-29 04:38:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.4232558139534883) internal successors, (306), 215 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2021-10-29 04:38:20,885 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 24 [2021-10-29 04:38:20,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:38:20,886 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2021-10-29 04:38:20,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2021-10-29 04:38:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:38:20,893 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:38:20,893 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:38:20,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 04:38:21,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:38:21,106 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:38:21,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:38:21,106 INFO L85 PathProgramCache]: Analyzing trace with hash 68958233, now seen corresponding path program 1 times [2021-10-29 04:38:21,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:38:21,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994921221] [2021-10-29 04:38:21,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:38:21,107 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:38:21,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:38:21,108 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:38:21,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 04:38:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:38:21,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:38:21,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:38:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:21,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:38:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:21,490 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:38:21,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [994921221] [2021-10-29 04:38:21,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [994921221] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:38:21,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:38:21,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:38:21,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766611032] [2021-10-29 04:38:21,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:38:21,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:38:21,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:38:21,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:38:21,492 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:21,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:38:21,510 INFO L93 Difference]: Finished difference Result 325 states and 465 transitions. [2021-10-29 04:38:21,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:38:21,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 04:38:21,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:38:21,512 INFO L225 Difference]: With dead ends: 325 [2021-10-29 04:38:21,512 INFO L226 Difference]: Without dead ends: 115 [2021-10-29 04:38:21,513 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:38:21,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-29 04:38:21,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-29 04:38:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-10-29 04:38:21,528 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2021-10-29 04:38:21,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:38:21,528 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-10-29 04:38:21,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:21,529 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-10-29 04:38:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:38:21,530 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:38:21,530 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-29 04:38:21,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 04:38:21,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:38:21,743 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:38:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:38:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash -647079898, now seen corresponding path program 1 times [2021-10-29 04:38:21,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:38:21,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753544759] [2021-10-29 04:38:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:38:21,744 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:38:21,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:38:21,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:38:21,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 04:38:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:38:21,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:38:21,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:38:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:22,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:38:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:38:22,259 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:38:22,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753544759] [2021-10-29 04:38:22,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753544759] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:38:22,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1989758330] [2021-10-29 04:38:22,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:38:22,259 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:38:22,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:38:22,266 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:38:22,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-29 04:38:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:38:22,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:38:22,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:38:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:38:22,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:38:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:38:22,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1989758330] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:38:22,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 04:38:22,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-29 04:38:22,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222623017] [2021-10-29 04:38:22,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:38:22,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:38:22,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:38:22,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:38:22,748 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:22,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:38:22,861 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2021-10-29 04:38:22,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:38:22,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-29 04:38:22,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:38:22,862 INFO L225 Difference]: With dead ends: 235 [2021-10-29 04:38:22,863 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 04:38:22,863 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-29 04:38:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 04:38:22,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 04:38:22,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 04:38:22,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-29 04:38:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:38:22,864 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 04:38:22,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:38:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 04:38:22,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:38:22,867 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:38:22,867 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:38:22,867 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:38:22,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-29 04:38:23,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-29 04:38:23,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 04:38:23,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 04:38:23,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:38:23,693 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2021-10-29 04:38:23,693 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 04:38:23,694 INFO L853 garLoopResultBuilder]: At program point L763(lines 758 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,694 INFO L853 garLoopResultBuilder]: At program point L763-1(lines 758 766) the Hoare annotation is: false [2021-10-29 04:38:23,694 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 705) no Hoare annotation was computed. [2021-10-29 04:38:23,694 INFO L853 garLoopResultBuilder]: At program point L763-2(lines 758 766) the Hoare annotation is: false [2021-10-29 04:38:23,694 INFO L857 garLoopResultBuilder]: For program point L697-1(lines 697 705) no Hoare annotation was computed. [2021-10-29 04:38:23,694 INFO L857 garLoopResultBuilder]: For program point L697-2(lines 697 705) no Hoare annotation was computed. [2021-10-29 04:38:23,694 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-29 04:38:23,694 INFO L857 garLoopResultBuilder]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2021-10-29 04:38:23,694 INFO L857 garLoopResultBuilder]: For program point L466-6(lines 466 470) no Hoare annotation was computed. [2021-10-29 04:38:23,694 INFO L853 garLoopResultBuilder]: At program point L913(lines 862 914) the Hoare annotation is: false [2021-10-29 04:38:23,695 INFO L857 garLoopResultBuilder]: For program point L864(lines 863 912) no Hoare annotation was computed. [2021-10-29 04:38:23,695 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 869) no Hoare annotation was computed. [2021-10-29 04:38:23,695 INFO L860 garLoopResultBuilder]: At program point L634(lines 615 637) the Hoare annotation is: true [2021-10-29 04:38:23,695 INFO L853 garLoopResultBuilder]: At program point L601(lines 597 603) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,695 INFO L853 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,695 INFO L853 garLoopResultBuilder]: At program point L535-1(lines 530 538) the Hoare annotation is: false [2021-10-29 04:38:23,695 INFO L853 garLoopResultBuilder]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2021-10-29 04:38:23,695 INFO L853 garLoopResultBuilder]: At program point L552-2(lines 552 566) the Hoare annotation is: false [2021-10-29 04:38:23,695 INFO L853 garLoopResultBuilder]: At program point L668(lines 668 674) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,695 INFO L853 garLoopResultBuilder]: At program point L668-1(lines 668 674) the Hoare annotation is: false [2021-10-29 04:38:23,696 INFO L853 garLoopResultBuilder]: At program point L668-2(lines 668 674) the Hoare annotation is: false [2021-10-29 04:38:23,696 INFO L853 garLoopResultBuilder]: At program point L503(lines 498 506) the Hoare annotation is: false [2021-10-29 04:38:23,696 INFO L853 garLoopResultBuilder]: At program point L503-1(lines 498 506) the Hoare annotation is: false [2021-10-29 04:38:23,696 INFO L853 garLoopResultBuilder]: At program point L503-2(lines 498 506) the Hoare annotation is: false [2021-10-29 04:38:23,696 INFO L857 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2021-10-29 04:38:23,696 INFO L853 garLoopResultBuilder]: At program point L883-1(lines 883 889) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,696 INFO L857 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2021-10-29 04:38:23,696 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 04:38:23,696 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 920) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,697 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-10-29 04:38:23,697 INFO L853 garLoopResultBuilder]: At program point L901-1(lines 661 667) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,697 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 848) no Hoare annotation was computed. [2021-10-29 04:38:23,697 INFO L853 garLoopResultBuilder]: At program point L835-1(lines 1 920) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,697 INFO L857 garLoopResultBuilder]: For program point L835-2(lines 835 848) no Hoare annotation was computed. [2021-10-29 04:38:23,697 INFO L853 garLoopResultBuilder]: At program point L835-3(lines 1 920) the Hoare annotation is: false [2021-10-29 04:38:23,697 INFO L857 garLoopResultBuilder]: For program point L835-4(lines 835 848) no Hoare annotation was computed. [2021-10-29 04:38:23,697 INFO L853 garLoopResultBuilder]: At program point L835-5(lines 1 920) the Hoare annotation is: false [2021-10-29 04:38:23,698 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2021-10-29 04:38:23,698 INFO L853 garLoopResultBuilder]: At program point L754(lines 747 757) the Hoare annotation is: false [2021-10-29 04:38:23,698 INFO L853 garLoopResultBuilder]: At program point L754-1(lines 747 757) the Hoare annotation is: false [2021-10-29 04:38:23,698 INFO L853 garLoopResultBuilder]: At program point L754-2(lines 747 757) the Hoare annotation is: false [2021-10-29 04:38:23,698 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 560) no Hoare annotation was computed. [2021-10-29 04:38:23,698 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 661 667) no Hoare annotation was computed. [2021-10-29 04:38:23,698 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-10-29 04:38:23,698 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 04:38:23,698 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 845) no Hoare annotation was computed. [2021-10-29 04:38:23,698 INFO L857 garLoopResultBuilder]: For program point L839-2(lines 839 845) no Hoare annotation was computed. [2021-10-29 04:38:23,699 INFO L857 garLoopResultBuilder]: For program point L839-4(lines 839 845) no Hoare annotation was computed. [2021-10-29 04:38:23,699 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 632) no Hoare annotation was computed. [2021-10-29 04:38:23,699 INFO L860 garLoopResultBuilder]: At program point L625-1(lines 625 632) the Hoare annotation is: true [2021-10-29 04:38:23,699 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2021-10-29 04:38:23,699 INFO L853 garLoopResultBuilder]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,699 INFO L857 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2021-10-29 04:38:23,699 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 807 813) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,699 INFO L857 garLoopResultBuilder]: For program point L643(line 643) no Hoare annotation was computed. [2021-10-29 04:38:23,699 INFO L857 garLoopResultBuilder]: For program point L643-1(line 643) no Hoare annotation was computed. [2021-10-29 04:38:23,700 INFO L857 garLoopResultBuilder]: For program point L643-2(line 643) no Hoare annotation was computed. [2021-10-29 04:38:23,700 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 04:38:23,700 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 482) no Hoare annotation was computed. [2021-10-29 04:38:23,700 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2021-10-29 04:38:23,700 INFO L857 garLoopResultBuilder]: For program point L693(lines 693 710) no Hoare annotation was computed. [2021-10-29 04:38:23,700 INFO L857 garLoopResultBuilder]: For program point L693-1(lines 693 710) no Hoare annotation was computed. [2021-10-29 04:38:23,700 INFO L857 garLoopResultBuilder]: For program point L693-2(lines 693 710) no Hoare annotation was computed. [2021-10-29 04:38:23,700 INFO L853 garLoopResultBuilder]: At program point L661(lines 660 679) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,701 INFO L857 garLoopResultBuilder]: For program point L661-1(lines 661 667) no Hoare annotation was computed. [2021-10-29 04:38:23,701 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:38:23,701 INFO L853 garLoopResultBuilder]: At program point L661-2(lines 660 679) the Hoare annotation is: false [2021-10-29 04:38:23,701 INFO L853 garLoopResultBuilder]: At program point L661-3(lines 660 679) the Hoare annotation is: false [2021-10-29 04:38:23,701 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 908) no Hoare annotation was computed. [2021-10-29 04:38:23,704 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:38:23,706 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:38:23,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:38:23 BoogieIcfgContainer [2021-10-29 04:38:23,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:38:23,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:38:23,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:38:23,720 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:38:23,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:38:16" (3/4) ... [2021-10-29 04:38:23,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:38:23,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 04:38:23,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:38:23,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 04:38:23,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:38:23,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:38:23,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:38:23,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:38:23,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-29 04:38:23,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:38:23,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:38:23,797 INFO L168 Benchmark]: Toolchain (without parser) took 10693.88 ms. Allocated memory was 62.9 MB in the beginning and 107.0 MB in the end (delta: 44.0 MB). Free memory was 42.5 MB in the beginning and 46.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:38:23,797 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:38:23,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.20 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 33.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:38:23,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.07 ms. Allocated memory is still 62.9 MB. Free memory was 33.0 MB in the beginning and 30.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:38:23,799 INFO L168 Benchmark]: Boogie Preprocessor took 62.91 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 30.2 MB in the beginning and 70.9 MB in the end (delta: -40.8 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:38:23,799 INFO L168 Benchmark]: RCFGBuilder took 2181.23 ms. Allocated memory is still 88.1 MB. Free memory was 70.5 MB in the beginning and 47.0 MB in the end (delta: 23.5 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:38:23,799 INFO L168 Benchmark]: TraceAbstraction took 7690.33 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 46.5 MB in the beginning and 52.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:38:23,800 INFO L168 Benchmark]: Witness Printer took 75.91 ms. Allocated memory is still 107.0 MB. Free memory was 51.5 MB in the beginning and 46.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:38:23,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 593.20 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 33.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.07 ms. Allocated memory is still 62.9 MB. Free memory was 33.0 MB in the beginning and 30.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.91 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 30.2 MB in the beginning and 70.9 MB in the end (delta: -40.8 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2181.23 ms. Allocated memory is still 88.1 MB. Free memory was 70.5 MB in the beginning and 47.0 MB in the end (delta: 23.5 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7690.33 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 46.5 MB in the beginning and 52.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * Witness Printer took 75.91 ms. Allocated memory is still 107.0 MB. Free memory was 51.5 MB in the beginning and 46.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 643]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 643]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 643]: 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, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 629 SDslu, 561 SDs, 0 SdLazy, 112 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 208 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 752 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1615 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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: 758]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 04:38:23,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4de22fd-64ed-4e17-b4af-c6b51aacc5df/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...