./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan --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 ebcff49133dade640f52684ce96120818f74fe08 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan --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 ebcff49133dade640f52684ce96120818f74fe08 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:00,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:00,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:00,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:00,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:00,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:00,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:00,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:00,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:00,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:00,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:00,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:00,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:00,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:00,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:00,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:00,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:00,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:00,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:00,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:00,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:00,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:00,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:00,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:00,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:00,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:00,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:00,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:00,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:00,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:00,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:00,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:00,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:00,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:00,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:00,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:00,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:00,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:00,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:00,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:00,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:00,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:42:00,802 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:00,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:00,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:00,804 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:00,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:00,805 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:00,805 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:42:00,805 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:00,805 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:00,806 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:42:00,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:42:00,807 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:00,807 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:42:00,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:42:00,808 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:42:00,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:00,809 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:00,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:42:00,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:00,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:00,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:00,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:00,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:00,811 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:00,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:00,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:00,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:00,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:00,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:00,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:00,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:00,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:00,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:00,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:00,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:00,814 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:42:00,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:42:00,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:00,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:00,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:00,815 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-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebcff49133dade640f52684ce96120818f74fe08 [2020-11-28 07:42:01,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:01,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:01,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:01,160 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:01,161 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:01,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2020-11-28 07:42:01,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data/5aa081121/a5a682ca3bcc459bb689f6c097ed02ee/FLAG0aac6702a [2020-11-28 07:42:01,886 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:01,890 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2020-11-28 07:42:01,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data/5aa081121/a5a682ca3bcc459bb689f6c097ed02ee/FLAG0aac6702a [2020-11-28 07:42:02,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data/5aa081121/a5a682ca3bcc459bb689f6c097ed02ee [2020-11-28 07:42:02,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:02,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:02,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:02,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:02,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:02,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:02" (1/1) ... [2020-11-28 07:42:02,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6492fde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:02, skipping insertion in model container [2020-11-28 07:42:02,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:02" (1/1) ... [2020-11-28 07:42:02,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:02,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:02,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:02,636 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) [2020-11-28 07:42:02,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35aea4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:02, skipping insertion in model container [2020-11-28 07:42:02,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:02,637 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:42:02,639 INFO L168 Benchmark]: Toolchain (without parser) took 465.31 ms. Allocated memory is still 92.3 MB. Free memory was 62.3 MB in the beginning and 65.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:02,640 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:02,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.46 ms. Allocated memory is still 92.3 MB. Free memory was 62.1 MB in the beginning and 65.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:02,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 462.46 ms. Allocated memory is still 92.3 MB. Free memory was 62.1 MB in the beginning and 65.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 174]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:04,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:04,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:05,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:05,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:05,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:05,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:05,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:05,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:05,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:05,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:05,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:05,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:05,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:05,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:05,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:05,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:05,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:05,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:05,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:05,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:05,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:05,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:05,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:05,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:05,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:05,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:05,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:05,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:05,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:05,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:05,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:05,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:05,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:05,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:05,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:05,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:05,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:05,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:05,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:05,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:05,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:42:05,139 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:05,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:05,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:05,141 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:05,142 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:05,142 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:05,142 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:05,142 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:05,143 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:05,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:05,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:05,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:05,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:05,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:05,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:05,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:05,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:05,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:42:05,147 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:42:05,147 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:05,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:05,148 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:05,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:05,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:05,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:42:05,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:05,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:05,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:05,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:05,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:05,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:05,150 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:42:05,150 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:42:05,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:05,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:05,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:05,151 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-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebcff49133dade640f52684ce96120818f74fe08 [2020-11-28 07:42:05,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:05,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:05,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:05,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:05,575 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:05,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2020-11-28 07:42:05,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data/2359e53df/e6f970e2e1d64c8ab98d52d898f2b77c/FLAG4e0dc2955 [2020-11-28 07:42:06,344 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:06,344 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2020-11-28 07:42:06,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data/2359e53df/e6f970e2e1d64c8ab98d52d898f2b77c/FLAG4e0dc2955 [2020-11-28 07:42:06,590 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/data/2359e53df/e6f970e2e1d64c8ab98d52d898f2b77c [2020-11-28 07:42:06,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:06,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:06,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:06,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:06,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:06,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:06" (1/1) ... [2020-11-28 07:42:06,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270acb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:06, skipping insertion in model container [2020-11-28 07:42:06,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:06" (1/1) ... [2020-11-28 07:42:06,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:06,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:07,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:07,038 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:42:07,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:07,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:07,113 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:42:07,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:07,217 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:42:07,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07 WrapperNode [2020-11-28 07:42:07,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:07,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:07,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:42:07,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:42:07,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:07,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:42:07,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:42:07,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:42:07,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:42:07,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:42:07,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:42:07,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:42:07,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:42:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:42:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:42:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:42:10,064 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:42:10,064 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-11-28 07:42:10,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:10 BoogieIcfgContainer [2020-11-28 07:42:10,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:42:10,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:42:10,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:42:10,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:42:10,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:42:06" (1/3) ... [2020-11-28 07:42:10,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730fb3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:10, skipping insertion in model container [2020-11-28 07:42:10,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (2/3) ... [2020-11-28 07:42:10,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730fb3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:10, skipping insertion in model container [2020-11-28 07:42:10,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:10" (3/3) ... [2020-11-28 07:42:10,075 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2020-11-28 07:42:10,086 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:42:10,091 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:42:10,102 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:42:10,135 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:42:10,135 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:42:10,135 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:42:10,136 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:42:10,136 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:42:10,136 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:42:10,136 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:42:10,136 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:42:10,149 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-11-28 07:42:10,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:42:10,154 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:10,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:10,155 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:10,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:10,162 INFO L82 PathProgramCache]: Analyzing trace with hash -113250139, now seen corresponding path program 1 times [2020-11-28 07:42:10,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:10,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275926422] [2020-11-28 07:42:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:10,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:42:10,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:10,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:10,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:10,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275926422] [2020-11-28 07:42:10,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:10,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:42:10,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456826207] [2020-11-28 07:42:10,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:42:10,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:10,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:42:10,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:42:10,499 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-11-28 07:42:10,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:10,528 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-11-28 07:42:10,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:42:10,529 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 07:42:10,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:10,539 INFO L225 Difference]: With dead ends: 207 [2020-11-28 07:42:10,541 INFO L226 Difference]: Without dead ends: 101 [2020-11-28 07:42:10,544 INFO L677 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 [2020-11-28 07:42:10,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-28 07:42:10,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-11-28 07:42:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-11-28 07:42:10,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-11-28 07:42:10,612 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-11-28 07:42:10,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:10,612 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-11-28 07:42:10,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:42:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-11-28 07:42:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 07:42:10,615 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:10,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:10,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:42:10,837 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:10,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:10,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1160007036, now seen corresponding path program 1 times [2020-11-28 07:42:10,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:10,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932334224] [2020-11-28 07:42:10,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:11,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:11,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932334224] [2020-11-28 07:42:11,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:11,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:42:11,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184224143] [2020-11-28 07:42:11,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:11,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:11,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:11,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:11,119 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 4 states. [2020-11-28 07:42:11,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:11,133 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-11-28 07:42:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:11,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 07:42:11,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:11,135 INFO L225 Difference]: With dead ends: 101 [2020-11-28 07:42:11,135 INFO L226 Difference]: Without dead ends: 43 [2020-11-28 07:42:11,136 INFO L677 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 [2020-11-28 07:42:11,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-28 07:42:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-28 07:42:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-28 07:42:11,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-11-28 07:42:11,141 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-11-28 07:42:11,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:11,142 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-11-28 07:42:11,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-11-28 07:42:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 07:42:11,143 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:11,143 INFO L422 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] [2020-11-28 07:42:11,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:42:11,361 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:11,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:11,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2020-11-28 07:42:11,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:11,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094275195] [2020-11-28 07:42:11,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:11,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:11,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094275195] [2020-11-28 07:42:11,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:11,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:42:11,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383537487] [2020-11-28 07:42:11,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:11,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:11,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:11,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:11,581 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 4 states. [2020-11-28 07:42:11,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:11,613 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-11-28 07:42:11,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:11,614 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-28 07:42:11,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:11,615 INFO L225 Difference]: With dead ends: 80 [2020-11-28 07:42:11,615 INFO L226 Difference]: Without dead ends: 43 [2020-11-28 07:42:11,616 INFO L677 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 [2020-11-28 07:42:11,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-28 07:42:11,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-28 07:42:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-28 07:42:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-11-28 07:42:11,622 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-11-28 07:42:11,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:11,623 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-11-28 07:42:11,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-11-28 07:42:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:42:11,624 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:11,624 INFO L422 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] [2020-11-28 07:42:11,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:42:11,841 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:11,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:11,842 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2020-11-28 07:42:11,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:11,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537166107] [2020-11-28 07:42:11,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:12,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:12,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537166107] [2020-11-28 07:42:12,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:12,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 07:42:12,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170059996] [2020-11-28 07:42:12,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:42:12,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:12,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:42:12,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:42:12,101 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-11-28 07:42:12,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:12,290 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2020-11-28 07:42:12,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 07:42:12,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 07:42:12,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:12,295 INFO L225 Difference]: With dead ends: 204 [2020-11-28 07:42:12,297 INFO L226 Difference]: Without dead ends: 167 [2020-11-28 07:42:12,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:42:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-28 07:42:12,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2020-11-28 07:42:12,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-28 07:42:12,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2020-11-28 07:42:12,321 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2020-11-28 07:42:12,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:12,321 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2020-11-28 07:42:12,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:42:12,321 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-11-28 07:42:12,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 07:42:12,323 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:12,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:12,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,524 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:12,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:12,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1843821250, now seen corresponding path program 1 times [2020-11-28 07:42:12,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:12,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785240499] [2020-11-28 07:42:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:12,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:12,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785240499] [2020-11-28 07:42:12,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:12,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 07:42:12,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452807141] [2020-11-28 07:42:12,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:42:12,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:12,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:42:12,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:42:12,785 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2020-11-28 07:42:12,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:12,924 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2020-11-28 07:42:12,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:42:12,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 07:42:12,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:12,925 INFO L225 Difference]: With dead ends: 174 [2020-11-28 07:42:12,925 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:42:12,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:42:12,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:42:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:42:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:42:12,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-28 07:42:12,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:12,927 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:42:12,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:42:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:42:12,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:42:13,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:42:13,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:42:13,683 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:13,683 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L895(lines 894 941) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L698(lines 698 706) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L698-1(lines 698 706) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L698-2(lines 698 706) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L698-3(lines 698 706) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L698-4(lines 698 706) no Hoare annotation was computed. [2020-11-28 07:42:13,684 INFO L274 CegarLoopResult]: For program point L698-5(lines 698 706) no Hoare annotation was computed. [2020-11-28 07:42:13,685 INFO L270 CegarLoopResult]: At program point L534(lines 1 949) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,685 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,685 INFO L274 CegarLoopResult]: For program point L932(lines 932 936) no Hoare annotation was computed. [2020-11-28 07:42:13,685 INFO L270 CegarLoopResult]: At program point L932-2(lines 662 668) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,685 INFO L274 CegarLoopResult]: For program point L866(lines 866 879) no Hoare annotation was computed. [2020-11-28 07:42:13,685 INFO L270 CegarLoopResult]: At program point L866-1(lines 1 949) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,686 INFO L274 CegarLoopResult]: For program point L866-2(lines 866 879) no Hoare annotation was computed. [2020-11-28 07:42:13,686 INFO L270 CegarLoopResult]: At program point L866-3(lines 1 949) the Hoare annotation is: false [2020-11-28 07:42:13,686 INFO L274 CegarLoopResult]: For program point L866-4(lines 866 879) no Hoare annotation was computed. [2020-11-28 07:42:13,686 INFO L270 CegarLoopResult]: At program point L866-5(lines 1 949) the Hoare annotation is: false [2020-11-28 07:42:13,686 INFO L270 CegarLoopResult]: At program point L669(lines 669 675) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,686 INFO L270 CegarLoopResult]: At program point L636(lines 631 639) the Hoare annotation is: false [2020-11-28 07:42:13,686 INFO L270 CegarLoopResult]: At program point L669-1(lines 669 675) the Hoare annotation is: false [2020-11-28 07:42:13,686 INFO L270 CegarLoopResult]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2020-11-28 07:42:13,686 INFO L270 CegarLoopResult]: At program point L669-2(lines 669 675) the Hoare annotation is: false [2020-11-28 07:42:13,687 INFO L274 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-11-28 07:42:13,687 INFO L270 CegarLoopResult]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2020-11-28 07:42:13,687 INFO L270 CegarLoopResult]: At program point L636-3(lines 631 639) the Hoare annotation is: false [2020-11-28 07:42:13,687 INFO L270 CegarLoopResult]: At program point L636-4(lines 631 639) the Hoare annotation is: false [2020-11-28 07:42:13,687 INFO L270 CegarLoopResult]: At program point L636-5(lines 631 639) the Hoare annotation is: false [2020-11-28 07:42:13,687 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-28 07:42:13,687 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:13,687 INFO L274 CegarLoopResult]: For program point L870(lines 870 876) no Hoare annotation was computed. [2020-11-28 07:42:13,687 INFO L274 CegarLoopResult]: For program point L870-2(lines 870 876) no Hoare annotation was computed. [2020-11-28 07:42:13,687 INFO L274 CegarLoopResult]: For program point L870-4(lines 870 876) no Hoare annotation was computed. [2020-11-28 07:42:13,688 INFO L274 CegarLoopResult]: For program point L904(lines 904 910) no Hoare annotation was computed. [2020-11-28 07:42:13,688 INFO L270 CegarLoopResult]: At program point L904-1(lines 904 910) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,688 INFO L274 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,688 INFO L274 CegarLoopResult]: For program point L839-2(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,688 INFO L274 CegarLoopResult]: For program point L839-3(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,688 INFO L274 CegarLoopResult]: For program point L839-5(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,688 INFO L274 CegarLoopResult]: For program point L839-6(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,688 INFO L274 CegarLoopResult]: For program point L839-8(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,688 INFO L270 CegarLoopResult]: At program point L542(lines 537 545) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,689 INFO L274 CegarLoopResult]: For program point L839-9(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,689 INFO L274 CegarLoopResult]: For program point L839-11(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,689 INFO L274 CegarLoopResult]: For program point L839-12(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,689 INFO L274 CegarLoopResult]: For program point L839-14(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,689 INFO L274 CegarLoopResult]: For program point L839-15(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,689 INFO L274 CegarLoopResult]: For program point L839-17(lines 839 843) no Hoare annotation was computed. [2020-11-28 07:42:13,689 INFO L270 CegarLoopResult]: At program point L942(lines 893 943) the Hoare annotation is: false [2020-11-28 07:42:13,689 INFO L274 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-11-28 07:42:13,689 INFO L274 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-11-28 07:42:13,689 INFO L274 CegarLoopResult]: For program point L645-2(line 645) no Hoare annotation was computed. [2020-11-28 07:42:13,690 INFO L270 CegarLoopResult]: At program point L845(lines 830 848) the Hoare annotation is: false [2020-11-28 07:42:13,694 INFO L270 CegarLoopResult]: At program point L845-1(lines 830 848) the Hoare annotation is: false [2020-11-28 07:42:13,694 INFO L270 CegarLoopResult]: At program point L845-2(lines 830 848) the Hoare annotation is: false [2020-11-28 07:42:13,694 INFO L270 CegarLoopResult]: At program point L845-3(lines 830 848) the Hoare annotation is: false [2020-11-28 07:42:13,694 INFO L270 CegarLoopResult]: At program point L845-4(lines 830 848) the Hoare annotation is: false [2020-11-28 07:42:13,695 INFO L270 CegarLoopResult]: At program point L845-5(lines 830 848) the Hoare annotation is: false [2020-11-28 07:42:13,695 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:42:13,695 INFO L274 CegarLoopResult]: For program point L582(lines 582 586) no Hoare annotation was computed. [2020-11-28 07:42:13,695 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 07:42:13,695 INFO L270 CegarLoopResult]: At program point L781(lines 774 784) the Hoare annotation is: false [2020-11-28 07:42:13,695 INFO L270 CegarLoopResult]: At program point L781-1(lines 774 784) the Hoare annotation is: false [2020-11-28 07:42:13,696 INFO L270 CegarLoopResult]: At program point L781-2(lines 774 784) the Hoare annotation is: false [2020-11-28 07:42:13,696 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 07:42:13,696 INFO L274 CegarLoopResult]: For program point L914(lines 914 920) no Hoare annotation was computed. [2020-11-28 07:42:13,696 INFO L270 CegarLoopResult]: At program point L914-1(lines 914 920) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,696 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:42:13,697 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 07:42:13,697 INFO L274 CegarLoopResult]: For program point L58-1(lines 662 668) no Hoare annotation was computed. [2020-11-28 07:42:13,698 INFO L274 CegarLoopResult]: For program point L720(lines 720 737) no Hoare annotation was computed. [2020-11-28 07:42:13,698 INFO L274 CegarLoopResult]: For program point L720-1(lines 720 737) no Hoare annotation was computed. [2020-11-28 07:42:13,698 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 737) no Hoare annotation was computed. [2020-11-28 07:42:13,698 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:42:13,698 INFO L274 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-11-28 07:42:13,698 INFO L274 CegarLoopResult]: For program point L558-3(lines 558 562) no Hoare annotation was computed. [2020-11-28 07:42:13,699 INFO L274 CegarLoopResult]: For program point L558-6(lines 558 562) no Hoare annotation was computed. [2020-11-28 07:42:13,699 INFO L270 CegarLoopResult]: At program point L790(lines 785 793) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,699 INFO L270 CegarLoopResult]: At program point L790-1(lines 785 793) the Hoare annotation is: false [2020-11-28 07:42:13,699 INFO L274 CegarLoopResult]: For program point L724(lines 724 732) no Hoare annotation was computed. [2020-11-28 07:42:13,699 INFO L270 CegarLoopResult]: At program point L790-2(lines 785 793) the Hoare annotation is: false [2020-11-28 07:42:13,699 INFO L274 CegarLoopResult]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2020-11-28 07:42:13,700 INFO L274 CegarLoopResult]: For program point L724-2(lines 724 732) no Hoare annotation was computed. [2020-11-28 07:42:13,700 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:42:13,700 INFO L274 CegarLoopResult]: For program point L924(lines 924 937) no Hoare annotation was computed. [2020-11-28 07:42:13,700 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:13,700 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-28 07:42:13,700 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-28 07:42:13,701 INFO L274 CegarLoopResult]: For program point L694(lines 694 711) no Hoare annotation was computed. [2020-11-28 07:42:13,701 INFO L274 CegarLoopResult]: For program point L694-1(lines 694 711) no Hoare annotation was computed. [2020-11-28 07:42:13,701 INFO L274 CegarLoopResult]: For program point L694-2(lines 694 711) no Hoare annotation was computed. [2020-11-28 07:42:13,701 INFO L270 CegarLoopResult]: At program point L595(lines 590 598) the Hoare annotation is: false [2020-11-28 07:42:13,701 INFO L274 CegarLoopResult]: For program point L694-3(lines 694 711) no Hoare annotation was computed. [2020-11-28 07:42:13,701 INFO L270 CegarLoopResult]: At program point L595-1(lines 590 598) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,701 INFO L274 CegarLoopResult]: For program point L694-4(lines 694 711) no Hoare annotation was computed. [2020-11-28 07:42:13,702 INFO L270 CegarLoopResult]: At program point L595-2(lines 590 598) the Hoare annotation is: false [2020-11-28 07:42:13,702 INFO L274 CegarLoopResult]: For program point L694-5(lines 694 711) no Hoare annotation was computed. [2020-11-28 07:42:13,702 INFO L270 CegarLoopResult]: At program point L595-3(lines 590 598) the Hoare annotation is: false [2020-11-28 07:42:13,702 INFO L270 CegarLoopResult]: At program point L595-4(lines 590 598) the Hoare annotation is: false [2020-11-28 07:42:13,703 INFO L270 CegarLoopResult]: At program point L595-5(lines 590 598) the Hoare annotation is: false [2020-11-28 07:42:13,703 INFO L270 CegarLoopResult]: At program point L662(lines 661 680) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:13,703 INFO L274 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-11-28 07:42:13,703 INFO L270 CegarLoopResult]: At program point L662-2(lines 661 680) the Hoare annotation is: false [2020-11-28 07:42:13,703 INFO L270 CegarLoopResult]: At program point L662-3(lines 661 680) the Hoare annotation is: false [2020-11-28 07:42:13,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:42:13 BoogieIcfgContainer [2020-11-28 07:42:13,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:42:13,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:42:13,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:42:13,747 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:42:13,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:10" (3/4) ... [2020-11-28 07:42:13,752 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:42:13,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:42:13,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:42:13,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:42:13,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:42:13,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:42:13,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:13,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:13,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-28 07:42:13,951 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_758e4fe1-ec1b-4599-a5b8-82d957530951/bin/utaipan/witness.graphml [2020-11-28 07:42:13,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:42:13,955 INFO L168 Benchmark]: Toolchain (without parser) took 7358.17 ms. Allocated memory was 50.3 MB in the beginning and 83.9 MB in the end (delta: 33.6 MB). Free memory was 27.0 MB in the beginning and 46.3 MB in the end (delta: -19.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:13,955 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 32.6 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:13,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.99 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.8 MB in the beginning and 32.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:13,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.44 ms. Allocated memory is still 65.0 MB. Free memory was 32.6 MB in the beginning and 45.4 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:13,957 INFO L168 Benchmark]: Boogie Preprocessor took 44.32 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 42.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:13,958 INFO L168 Benchmark]: RCFGBuilder took 2730.43 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 42.8 MB in the beginning and 48.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:13,958 INFO L168 Benchmark]: TraceAbstraction took 3676.31 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 54.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:13,958 INFO L168 Benchmark]: Witness Printer took 207.24 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 46.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:13,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 32.6 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 618.99 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.8 MB in the beginning and 32.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.44 ms. Allocated memory is still 65.0 MB. Free memory was 32.6 MB in the beginning and 45.4 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.32 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 42.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2730.43 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 42.8 MB in the beginning and 48.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3676.31 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 54.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. * Witness Printer took 207.24 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 46.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 529 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 84 NumberOfFragments, 167 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1353 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 165 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 7084 SizeOfPredicates, 8 NumberOfNonLiveVariables, 978 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...