./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8 --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 e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:16,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:16,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:16,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:16,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:16,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:16,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:16,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:16,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:16,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:16,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:16,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:16,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:16,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:16,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:16,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:16,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:16,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:16,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:16,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:16,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:16,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:16,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:16,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:16,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:16,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:16,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:16,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:16,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:16,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:16,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:16,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:16,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:16,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:16,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:16,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:16,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:16,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:16,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:16,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:16,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:16,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:53:16,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:16,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:16,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:16,804 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:16,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:16,804 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:16,805 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:53:16,805 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:16,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:16,811 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:53:16,812 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:53:16,813 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:16,813 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:53:16,813 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:53:16,814 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:53:16,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:16,815 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:16,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:53:16,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:16,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:16,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:16,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:16,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:16,817 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:16,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:16,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:16,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:16,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:16,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:16,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:16,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:16,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:16,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:16,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:16,822 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:53:16,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:53:16,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:16,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:16,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:16,823 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_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 [2021-11-07 00:53:17,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:17,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:17,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:17,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:17,117 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:17,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2021-11-07 00:53:17,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data/bc8ba9751/019dff48e1564392a94b44cd723c6dd3/FLAGa973f8b2d [2021-11-07 00:53:17,794 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:17,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2021-11-07 00:53:17,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data/bc8ba9751/019dff48e1564392a94b44cd723c6dd3/FLAGa973f8b2d [2021-11-07 00:53:18,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data/bc8ba9751/019dff48e1564392a94b44cd723c6dd3 [2021-11-07 00:53:18,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:18,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:18,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:18,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:18,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:18,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:18" (1/1) ... [2021-11-07 00:53:18,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b38be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:18, skipping insertion in model container [2021-11-07 00:53:18,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:18" (1/1) ... [2021-11-07 00:53:18,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:18,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:18,336 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_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c[2044,2057] [2021-11-07 00:53:18,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:18,470 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) [2021-11-07 00:53:18,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b24c393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:18, skipping insertion in model container [2021-11-07 00:53:18,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:18,471 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:53:18,474 INFO L168 Benchmark]: Toolchain (without parser) took 379.71 ms. Allocated memory is still 107.0 MB. Free memory was 63.4 MB in the beginning and 77.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:18,477 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 81.0 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:18,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.92 ms. Allocated memory is still 107.0 MB. Free memory was 63.1 MB in the beginning and 77.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:18,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 81.0 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.92 ms. Allocated memory is still 107.0 MB. Free memory was 63.1 MB in the beginning and 77.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 211]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8 --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 e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:20,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:20,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:20,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:20,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:20,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:20,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:20,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:20,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:20,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:20,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:20,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:20,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:20,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:20,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:20,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:20,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:20,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:20,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:20,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:20,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:20,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:20,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:20,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:20,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:20,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:20,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:20,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:20,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:20,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:20,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:20,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:20,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:20,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:20,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:20,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:20,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:20,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:20,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:20,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:20,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:20,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:53:20,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:20,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:20,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:20,828 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:20,828 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:20,828 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:20,828 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:20,829 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:20,829 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:20,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:20,830 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:20,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:20,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:20,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:20,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:20,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:20,831 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:20,831 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:53:20,832 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:53:20,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:20,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:20,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:20,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:20,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:20,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:53:20,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:20,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:20,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:20,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:20,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:20,834 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:53:20,835 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:20,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:20,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:20,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:20,836 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_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 [2021-11-07 00:53:21,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:21,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:21,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:21,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:21,255 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:21,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2021-11-07 00:53:21,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data/a500543f3/b00f001f4f694c638c4af352acd94f51/FLAG1d0211988 [2021-11-07 00:53:22,030 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:22,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2021-11-07 00:53:22,045 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data/a500543f3/b00f001f4f694c638c4af352acd94f51/FLAG1d0211988 [2021-11-07 00:53:22,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/data/a500543f3/b00f001f4f694c638c4af352acd94f51 [2021-11-07 00:53:22,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:22,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:22,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:22,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:22,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:22,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:22" (1/1) ... [2021-11-07 00:53:22,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd9e931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:22, skipping insertion in model container [2021-11-07 00:53:22,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:22" (1/1) ... [2021-11-07 00:53:22,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:22,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:22,647 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_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c[2044,2057] [2021-11-07 00:53:22,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:22,883 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:53:22,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:22,916 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_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c[2044,2057] [2021-11-07 00:53:23,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:23,040 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:23,057 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_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c[2044,2057] [2021-11-07 00:53:23,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:23,151 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:23,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23 WrapperNode [2021-11-07 00:53:23,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:23,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:23,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:23,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:23,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:23,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:23,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:23,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:23,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:23,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:23,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:23,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:23,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (1/1) ... [2021-11-07 00:53:23,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:23,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:23,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:23,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:53:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:23,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:53:25,871 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:53:25,871 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-07 00:53:25,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:25 BoogieIcfgContainer [2021-11-07 00:53:25,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:53:25,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:53:25,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:53:25,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:53:25,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:22" (1/3) ... [2021-11-07 00:53:25,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7ab4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:25, skipping insertion in model container [2021-11-07 00:53:25,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:23" (2/3) ... [2021-11-07 00:53:25,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7ab4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:25, skipping insertion in model container [2021-11-07 00:53:25,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:25" (3/3) ... [2021-11-07 00:53:25,882 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2021-11-07 00:53:25,891 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:53:25,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 00:53:25,955 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:53:25,966 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 [2021-11-07 00:53:25,966 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 00:53:25,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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) [2021-11-07 00:53:25,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 00:53:25,990 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:25,991 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:25,992 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:25,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:25,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-11-07 00:53:26,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:26,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572423940] [2021-11-07 00:53:26,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:26,016 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:26,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:26,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:26,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:53:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:26,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:53:26,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:26,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:26,480 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:26,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572423940] [2021-11-07 00:53:26,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572423940] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:26,483 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:26,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:53:26,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921690709] [2021-11-07 00:53:26,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:53:26,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:26,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:53:26,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:26,514 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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) [2021-11-07 00:53:26,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:26,558 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-11-07 00:53:26,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:53:26,559 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 [2021-11-07 00:53:26,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:26,568 INFO L225 Difference]: With dead ends: 148 [2021-11-07 00:53:26,569 INFO L226 Difference]: Without dead ends: 73 [2021-11-07 00:53:26,572 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 [2021-11-07 00:53:26,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-07 00:53:26,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-07 00:53:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:26,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-11-07 00:53:26,611 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-11-07 00:53:26,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:26,612 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-11-07 00:53:26,612 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) [2021-11-07 00:53:26,613 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-11-07 00:53:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 00:53:26,614 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:26,614 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:26,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:26,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:26,827 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:26,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:26,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-11-07 00:53:26,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:26,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556550077] [2021-11-07 00:53:26,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:26,829 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:26,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:26,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:26,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:53:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:27,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:27,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:27,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:27,198 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:27,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556550077] [2021-11-07 00:53:27,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556550077] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:27,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:27,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:53:27,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618523665] [2021-11-07 00:53:27,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:53:27,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:27,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:53:27,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:53:27,207 INFO L87 Difference]: Start difference. First operand 73 states and 102 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) [2021-11-07 00:53:27,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:27,241 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-11-07 00:53:27,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:27,242 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 [2021-11-07 00:53:27,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:27,243 INFO L225 Difference]: With dead ends: 73 [2021-11-07 00:53:27,244 INFO L226 Difference]: Without dead ends: 35 [2021-11-07 00:53:27,245 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 [2021-11-07 00:53:27,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-07 00:53:27,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-07 00:53:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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) [2021-11-07 00:53:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-11-07 00:53:27,260 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-11-07 00:53:27,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:27,261 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-11-07 00:53:27,261 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) [2021-11-07 00:53:27,261 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-11-07 00:53:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 00:53:27,263 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:27,267 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] [2021-11-07 00:53:27,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:27,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:27,488 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:27,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:27,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-11-07 00:53:27,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:27,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443390333] [2021-11-07 00:53:27,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:27,490 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:27,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:27,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:53:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:27,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:27,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:27,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:27,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:27,954 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:27,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443390333] [2021-11-07 00:53:27,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443390333] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:27,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:27,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 00:53:27,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394805899] [2021-11-07 00:53:27,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:53:27,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:27,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:53:27,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:53:27,967 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-07 00:53:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:28,018 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-11-07 00:53:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:53:28,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 [2021-11-07 00:53:28,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:28,020 INFO L225 Difference]: With dead ends: 116 [2021-11-07 00:53:28,020 INFO L226 Difference]: Without dead ends: 87 [2021-11-07 00:53:28,021 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 [2021-11-07 00:53:28,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-07 00:53:28,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-11-07 00:53:28,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 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) [2021-11-07 00:53:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-11-07 00:53:28,045 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-11-07 00:53:28,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:28,045 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-11-07 00:53:28,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-07 00:53:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-11-07 00:53:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 00:53:28,049 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:28,049 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] [2021-11-07 00:53:28,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:28,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:28,272 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:28,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-11-07 00:53:28,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:28,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400910545] [2021-11-07 00:53:28,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:28,274 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:28,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:28,276 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:28,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:53:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:28,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:53:28,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:28,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:28,806 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:28,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400910545] [2021-11-07 00:53:28,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400910545] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:28,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:28,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 00:53:28,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756143494] [2021-11-07 00:53:28,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:53:28,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:28,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:53:28,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:53:28,811 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-11-07 00:53:28,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:28,953 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2021-11-07 00:53:28,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 00:53:28,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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 [2021-11-07 00:53:28,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:28,968 INFO L225 Difference]: With dead ends: 256 [2021-11-07 00:53:28,968 INFO L226 Difference]: Without dead ends: 208 [2021-11-07 00:53:28,969 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:53:28,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-07 00:53:29,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2021-11-07 00:53:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 95 states have internal predecessors, (139), 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) [2021-11-07 00:53:29,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2021-11-07 00:53:29,021 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2021-11-07 00:53:29,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:29,022 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2021-11-07 00:53:29,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-11-07 00:53:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2021-11-07 00:53:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 00:53:29,025 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:29,025 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:29,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:29,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:29,238 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:29,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:29,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1060203461, now seen corresponding path program 1 times [2021-11-07 00:53:29,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:29,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553585775] [2021-11-07 00:53:29,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:29,240 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:29,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:29,241 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:29,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:53:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:29,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:53:29,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:29,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:29,681 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:29,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553585775] [2021-11-07 00:53:29,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553585775] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:29,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:29,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:53:29,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096513930] [2021-11-07 00:53:29,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:53:29,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:29,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:53:29,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:53:29,684 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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) [2021-11-07 00:53:29,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:29,798 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2021-11-07 00:53:29,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:53:29,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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 [2021-11-07 00:53:29,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:29,800 INFO L225 Difference]: With dead ends: 286 [2021-11-07 00:53:29,800 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:53:29,801 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 00:53:29,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:53:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:53:29,802 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) [2021-11-07 00:53:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:53:29,802 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-07 00:53:29,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:29,803 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:53:29,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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) [2021-11-07 00:53:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:53:29,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:53:29,806 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:29,806 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:29,807 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:29,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:30,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:30,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:53:30,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:30,408 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2021-11-07 00:53:30,409 INFO L853 garLoopResultBuilder]: At program point L696(lines 695 714) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,409 INFO L857 garLoopResultBuilder]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2021-11-07 00:53:30,409 INFO L853 garLoopResultBuilder]: At program point L696-2(lines 695 714) the Hoare annotation is: false [2021-11-07 00:53:30,409 INFO L853 garLoopResultBuilder]: At program point L696-3(lines 695 714) the Hoare annotation is: false [2021-11-07 00:53:30,409 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:53:30,410 INFO L860 garLoopResultBuilder]: At program point L681(lines 662 684) the Hoare annotation is: true [2021-11-07 00:53:30,410 INFO L853 garLoopResultBuilder]: At program point L648(lines 644 650) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,410 INFO L853 garLoopResultBuilder]: At program point L582(lines 577 585) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,411 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 909) no Hoare annotation was computed. [2021-11-07 00:53:30,411 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:30,411 INFO L857 garLoopResultBuilder]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:30,411 INFO L857 garLoopResultBuilder]: For program point L830-3(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:30,411 INFO L857 garLoopResultBuilder]: For program point L830-5(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:30,412 INFO L857 garLoopResultBuilder]: For program point L830-6(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:30,412 INFO L857 garLoopResultBuilder]: For program point L830-8(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:30,412 INFO L853 garLoopResultBuilder]: At program point L599-2(lines 599 613) the Hoare annotation is: false [2021-11-07 00:53:30,412 INFO L853 garLoopResultBuilder]: At program point L781(lines 776 784) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,413 INFO L853 garLoopResultBuilder]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2021-11-07 00:53:30,413 INFO L853 garLoopResultBuilder]: At program point L781-2(lines 776 784) the Hoare annotation is: false [2021-11-07 00:53:30,413 INFO L853 garLoopResultBuilder]: At program point L137(lines 132 140) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,413 INFO L853 garLoopResultBuilder]: At program point L137-1(lines 132 140) the Hoare annotation is: false [2021-11-07 00:53:30,414 INFO L853 garLoopResultBuilder]: At program point L137-2(lines 132 140) the Hoare annotation is: false [2021-11-07 00:53:30,414 INFO L857 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2021-11-07 00:53:30,414 INFO L857 garLoopResultBuilder]: For program point L732-1(lines 732 740) no Hoare annotation was computed. [2021-11-07 00:53:30,414 INFO L857 garLoopResultBuilder]: For program point L732-2(lines 732 740) no Hoare annotation was computed. [2021-11-07 00:53:30,415 INFO L857 garLoopResultBuilder]: For program point L600(line 600) no Hoare annotation was computed. [2021-11-07 00:53:30,415 INFO L853 garLoopResultBuilder]: At program point L914(lines 865 915) the Hoare annotation is: false [2021-11-07 00:53:30,415 INFO L857 garLoopResultBuilder]: For program point L867(lines 866 913) no Hoare annotation was computed. [2021-11-07 00:53:30,415 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:53:30,416 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 128) no Hoare annotation was computed. [2021-11-07 00:53:30,416 INFO L857 garLoopResultBuilder]: For program point L603(lines 603 607) no Hoare annotation was computed. [2021-11-07 00:53:30,416 INFO L857 garLoopResultBuilder]: For program point L603-1(lines 696 702) no Hoare annotation was computed. [2021-11-07 00:53:30,416 INFO L857 garLoopResultBuilder]: For program point L868(lines 868 872) no Hoare annotation was computed. [2021-11-07 00:53:30,417 INFO L853 garLoopResultBuilder]: At program point L703(lines 703 709) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,417 INFO L853 garLoopResultBuilder]: At program point L703-1(lines 703 709) the Hoare annotation is: false [2021-11-07 00:53:30,417 INFO L853 garLoopResultBuilder]: At program point L703-2(lines 703 709) the Hoare annotation is: false [2021-11-07 00:53:30,417 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2021-11-07 00:53:30,418 INFO L857 garLoopResultBuilder]: For program point L902(lines 902 908) no Hoare annotation was computed. [2021-11-07 00:53:30,418 INFO L853 garLoopResultBuilder]: At program point L902-1(lines 696 702) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,418 INFO L853 garLoopResultBuilder]: At program point L836(lines 821 839) the Hoare annotation is: false [2021-11-07 00:53:30,418 INFO L853 garLoopResultBuilder]: At program point L836-1(lines 821 839) the Hoare annotation is: false [2021-11-07 00:53:30,419 INFO L853 garLoopResultBuilder]: At program point L836-2(lines 821 839) the Hoare annotation is: false [2021-11-07 00:53:30,419 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 892) no Hoare annotation was computed. [2021-11-07 00:53:30,419 INFO L853 garLoopResultBuilder]: At program point L886-1(lines 886 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,419 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 679) no Hoare annotation was computed. [2021-11-07 00:53:30,420 INFO L860 garLoopResultBuilder]: At program point L672-1(lines 672 679) the Hoare annotation is: true [2021-11-07 00:53:30,420 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-11-07 00:53:30,420 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:53:30,420 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 921) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,421 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-11-07 00:53:30,421 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 921) the Hoare annotation is: false [2021-11-07 00:53:30,421 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-11-07 00:53:30,421 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 921) the Hoare annotation is: false [2021-11-07 00:53:30,422 INFO L853 garLoopResultBuilder]: At program point L574(lines 1 921) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,422 INFO L853 garLoopResultBuilder]: At program point L178(lines 173 181) the Hoare annotation is: false [2021-11-07 00:53:30,422 INFO L853 garLoopResultBuilder]: At program point L178-1(lines 173 181) the Hoare annotation is: false [2021-11-07 00:53:30,422 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 116) no Hoare annotation was computed. [2021-11-07 00:53:30,433 INFO L853 garLoopResultBuilder]: At program point L178-2(lines 173 181) the Hoare annotation is: false [2021-11-07 00:53:30,433 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-11-07 00:53:30,434 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:53:30,434 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-11-07 00:53:30,434 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-11-07 00:53:30,434 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2021-11-07 00:53:30,435 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-07 00:53:30,435 INFO L857 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2021-11-07 00:53:30,435 INFO L857 garLoopResultBuilder]: For program point L83-2(line 83) no Hoare annotation was computed. [2021-11-07 00:53:30,435 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 882) no Hoare annotation was computed. [2021-11-07 00:53:30,436 INFO L853 garLoopResultBuilder]: At program point L876-1(lines 876 882) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,436 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2021-11-07 00:53:30,436 INFO L857 garLoopResultBuilder]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2021-11-07 00:53:30,436 INFO L857 garLoopResultBuilder]: For program point L100-6(lines 100 104) no Hoare annotation was computed. [2021-11-07 00:53:30,437 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2021-11-07 00:53:30,437 INFO L857 garLoopResultBuilder]: For program point L728-1(lines 728 745) no Hoare annotation was computed. [2021-11-07 00:53:30,437 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 745) no Hoare annotation was computed. [2021-11-07 00:53:30,437 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 850) no Hoare annotation was computed. [2021-11-07 00:53:30,438 INFO L853 garLoopResultBuilder]: At program point L844-1(lines 844 850) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:30,442 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 00:53:30,444 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:53:30,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:53:30 BoogieIcfgContainer [2021-11-07 00:53:30,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:53:30,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:53:30,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:53:30,464 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:53:30,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:25" (3/4) ... [2021-11-07 00:53:30,468 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:53:30,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 00:53:30,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 00:53:30,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 00:53:30,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 00:53:30,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:53:30,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:53:30,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:53:30,529 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 00:53:30,580 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:53:30,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:53:30,585 INFO L168 Benchmark]: Toolchain (without parser) took 8217.73 ms. Allocated memory was 56.6 MB in the beginning and 94.4 MB in the end (delta: 37.7 MB). Free memory was 33.2 MB in the beginning and 65.1 MB in the end (delta: -32.0 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:30,586 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 36.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:30,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.09 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 32.9 MB in the beginning and 55.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:30,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.00 ms. Allocated memory is still 77.6 MB. Free memory was 55.4 MB in the beginning and 52.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:30,588 INFO L168 Benchmark]: Boogie Preprocessor took 90.15 ms. Allocated memory is still 77.6 MB. Free memory was 52.4 MB in the beginning and 50.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:30,588 INFO L168 Benchmark]: RCFGBuilder took 2522.89 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 45.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:30,589 INFO L168 Benchmark]: TraceAbstraction took 4586.66 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 45.3 MB in the beginning and 71.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:30,589 INFO L168 Benchmark]: Witness Printer took 119.47 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 65.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:30,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 36.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 781.09 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 32.9 MB in the beginning and 55.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.00 ms. Allocated memory is still 77.6 MB. Free memory was 55.4 MB in the beginning and 52.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.15 ms. Allocated memory is still 77.6 MB. Free memory was 52.4 MB in the beginning and 50.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2522.89 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 45.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4586.66 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 45.3 MB in the beginning and 71.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Witness Printer took 119.47 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 65.1 MB in the end (delta: 6.3 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: 83]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 83]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 83]: 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, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 385 SDslu, 401 SDs, 0 SdLazy, 50 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 381 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 00:53:30,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20bdbf3c-52f8-40ad-a06b-f127bd74bf4b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE