./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI --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 16128519e0e6ced40821c523f29c760d3ecfedbe ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI --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 16128519e0e6ced40821c523f29c760d3ecfedbe ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:36,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:36,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:36,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:36,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:36,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:36,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:36,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:36,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:36,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:36,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:36,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:36,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:36,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:36,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:36,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:36,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:36,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:36,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:36,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:36,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:36,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:36,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:36,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:36,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:36,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:36,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:36,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:36,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:36,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:36,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:36,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:36,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:36,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:36,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:36,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:36,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:36,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:36,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:36,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:36,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:36,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:21:36,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:36,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:36,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:36,714 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:36,714 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:36,715 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:36,715 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:21:36,715 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:36,716 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:36,716 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:21:36,716 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:21:36,717 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:36,725 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:21:36,725 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:21:36,725 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:21:36,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:36,726 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:36,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:21:36,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:36,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:36,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:36,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:36,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:36,728 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:36,728 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:36,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:36,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:36,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:36,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:36,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:36,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:36,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:36,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:36,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:36,733 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:21:36,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:21:36,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:36,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:36,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:36,735 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16128519e0e6ced40821c523f29c760d3ecfedbe [2021-10-11 02:21:37,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:37,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:37,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:37,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:37,079 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:37,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2021-10-11 02:21:37,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data/305c7c284/b33722d3eaa34565b52e61f56cecfbf7/FLAG6e8a00dad [2021-10-11 02:21:37,722 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:37,722 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2021-10-11 02:21:37,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data/305c7c284/b33722d3eaa34565b52e61f56cecfbf7/FLAG6e8a00dad [2021-10-11 02:21:38,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data/305c7c284/b33722d3eaa34565b52e61f56cecfbf7 [2021-10-11 02:21:38,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:38,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:38,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:38,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:38,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:38,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:38" (1/1) ... [2021-10-11 02:21:38,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32871822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:38, skipping insertion in model container [2021-10-11 02:21:38,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:38" (1/1) ... [2021-10-11 02:21:38,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:38,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:38,423 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c[2740,2753] [2021-10-11 02:21:38,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:38,560 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:21:38,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dffb8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:38, skipping insertion in model container [2021-10-11 02:21:38,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:38,563 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:21:38,566 INFO L168 Benchmark]: Toolchain (without parser) took 400.10 ms. Allocated memory is still 127.9 MB. Free memory was 99.5 MB in the beginning and 101.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:38,568 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:38,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.92 ms. Allocated memory is still 127.9 MB. Free memory was 99.1 MB in the beginning and 101.6 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:38,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 390.92 ms. Allocated memory is still 127.9 MB. Free memory was 99.1 MB in the beginning and 101.6 MB in the end (delta: -2.5 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: 581]: 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 0.2.0-7b2dab5 [2021-10-11 02:21:40,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:40,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:41,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:41,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:41,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:41,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:41,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:41,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:41,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:41,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:41,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:41,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:41,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:41,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:41,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:41,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:41,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:41,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:41,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:41,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:41,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:41,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:41,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:41,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:41,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:41,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:41,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:41,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:41,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:41,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:41,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:41,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:41,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:41,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:41,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:41,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:41,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:41,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:41,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:41,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:41,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:21:41,193 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:41,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:41,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:41,196 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:41,196 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:41,196 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:41,196 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:41,197 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:41,197 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:41,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:41,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:41,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:41,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:41,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:41,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:41,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:41,201 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:41,202 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:21:41,202 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:21:41,202 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:41,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:41,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:41,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:41,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:41,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:21:41,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:41,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:41,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:41,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:41,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:41,205 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:21:41,205 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:41,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:41,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:41,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:41,206 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16128519e0e6ced40821c523f29c760d3ecfedbe [2021-10-11 02:21:41,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:41,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:41,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:41,658 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:41,659 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:41,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2021-10-11 02:21:41,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data/b88f6162b/fb201e3de10445eaa6d23304bbdfd37c/FLAGe7eebc34a [2021-10-11 02:21:42,330 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:42,331 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2021-10-11 02:21:42,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data/b88f6162b/fb201e3de10445eaa6d23304bbdfd37c/FLAGe7eebc34a [2021-10-11 02:21:42,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/data/b88f6162b/fb201e3de10445eaa6d23304bbdfd37c [2021-10-11 02:21:42,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:42,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:42,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:42,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:42,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:42,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:42" (1/1) ... [2021-10-11 02:21:42,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0fbd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:42, skipping insertion in model container [2021-10-11 02:21:42,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:42" (1/1) ... [2021-10-11 02:21:42,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:42,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:42,922 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c[2740,2753] [2021-10-11 02:21:43,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:43,169 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:21:43,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:43,222 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c[2740,2753] [2021-10-11 02:21:43,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:43,291 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:21:43,338 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c[2740,2753] [2021-10-11 02:21:43,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:43,457 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:21:43,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43 WrapperNode [2021-10-11 02:21:43,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:43,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:43,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:21:43,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:21:43,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... [2021-10-11 02:21:43,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... [2021-10-11 02:21:43,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:43,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:21:43,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:21:43,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:21:43,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... [2021-10-11 02:21:43,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... [2021-10-11 02:21:43,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... [2021-10-11 02:21:43,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... [2021-10-11 02:21:43,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... [2021-10-11 02:21:43,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... [2021-10-11 02:21:43,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... [2021-10-11 02:21:43,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:21:43,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:21:43,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:21:43,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:21:43,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:21:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:21:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:21:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:21:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:21:46,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:21:46,133 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 02:21:46,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:46 BoogieIcfgContainer [2021-10-11 02:21:46,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:21:46,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:21:46,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:21:46,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:21:46,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:21:42" (1/3) ... [2021-10-11 02:21:46,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704a8531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:46, skipping insertion in model container [2021-10-11 02:21:46,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:43" (2/3) ... [2021-10-11 02:21:46,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704a8531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:46, skipping insertion in model container [2021-10-11 02:21:46,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:46" (3/3) ... [2021-10-11 02:21:46,145 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2021-10-11 02:21:46,161 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:21:46,165 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:21:46,178 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:21:46,205 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:21:46,205 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:21:46,205 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:21:46,206 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:21:46,206 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:21:46,206 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:21:46,206 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:21:46,207 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:21:46,224 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2021-10-11 02:21:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:21:46,231 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:46,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:46,232 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:46,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:46,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1355288485, now seen corresponding path program 1 times [2021-10-11 02:21:46,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:46,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286218458] [2021-10-11 02:21:46,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:21:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:46,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:21:46,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:46,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:46,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286218458] [2021-10-11 02:21:46,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:46,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:46,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606265562] [2021-10-11 02:21:46,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:21:46,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:46,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:21:46,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:46,590 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2021-10-11 02:21:46,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:46,616 INFO L93 Difference]: Finished difference Result 154 states and 233 transitions. [2021-10-11 02:21:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:21:46,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:21:46,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:46,628 INFO L225 Difference]: With dead ends: 154 [2021-10-11 02:21:46,629 INFO L226 Difference]: Without dead ends: 76 [2021-10-11 02:21:46,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:46,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-10-11 02:21:46,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-10-11 02:21:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-10-11 02:21:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2021-10-11 02:21:46,673 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 16 [2021-10-11 02:21:46,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:46,674 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2021-10-11 02:21:46,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:21:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2021-10-11 02:21:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:21:46,675 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:46,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:46,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:21:46,887 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:46,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:46,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1892921914, now seen corresponding path program 1 times [2021-10-11 02:21:46,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:46,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41120241] [2021-10-11 02:21:46,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:21:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:47,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:47,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:47,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:47,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41120241] [2021-10-11 02:21:47,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:47,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:47,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506629791] [2021-10-11 02:21:47,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:47,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:47,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:47,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:47,168 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 3 states. [2021-10-11 02:21:47,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:47,179 INFO L93 Difference]: Finished difference Result 76 states and 108 transitions. [2021-10-11 02:21:47,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:47,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:21:47,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:47,181 INFO L225 Difference]: With dead ends: 76 [2021-10-11 02:21:47,181 INFO L226 Difference]: Without dead ends: 36 [2021-10-11 02:21:47,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-11 02:21:47,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-11 02:21:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-10-11 02:21:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2021-10-11 02:21:47,189 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 17 [2021-10-11 02:21:47,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:47,190 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2021-10-11 02:21:47,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-11 02:21:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:21:47,191 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:47,191 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] [2021-10-11 02:21:47,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:21:47,412 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:47,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:47,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602350, now seen corresponding path program 1 times [2021-10-11 02:21:47,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:47,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908742132] [2021-10-11 02:21:47,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:21:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:47,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:47,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:47,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:47,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908742132] [2021-10-11 02:21:47,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:47,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:47,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406619778] [2021-10-11 02:21:47,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:47,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:47,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:47,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:47,722 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 3 states. [2021-10-11 02:21:47,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:47,768 INFO L93 Difference]: Finished difference Result 96 states and 141 transitions. [2021-10-11 02:21:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:47,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:21:47,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:47,770 INFO L225 Difference]: With dead ends: 96 [2021-10-11 02:21:47,771 INFO L226 Difference]: Without dead ends: 66 [2021-10-11 02:21:47,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:47,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-11 02:21:47,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2021-10-11 02:21:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2021-10-11 02:21:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2021-10-11 02:21:47,786 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 22 [2021-10-11 02:21:47,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:47,786 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2021-10-11 02:21:47,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2021-10-11 02:21:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:21:47,788 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:47,788 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] [2021-10-11 02:21:48,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:21:48,003 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:48,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:48,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1572373846, now seen corresponding path program 1 times [2021-10-11 02:21:48,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:48,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489354427] [2021-10-11 02:21:48,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:21:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:48,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:48,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:48,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:48,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489354427] [2021-10-11 02:21:48,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:48,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:48,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211625212] [2021-10-11 02:21:48,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:48,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:48,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:48,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:48,243 INFO L87 Difference]: Start difference. First operand 62 states and 91 transitions. Second operand 3 states. [2021-10-11 02:21:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:48,342 INFO L93 Difference]: Finished difference Result 159 states and 238 transitions. [2021-10-11 02:21:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:48,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:21:48,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:48,346 INFO L225 Difference]: With dead ends: 159 [2021-10-11 02:21:48,348 INFO L226 Difference]: Without dead ends: 103 [2021-10-11 02:21:48,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:48,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-11 02:21:48,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2021-10-11 02:21:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 02:21:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions. [2021-10-11 02:21:48,380 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 147 transitions. Word has length 23 [2021-10-11 02:21:48,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:48,380 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 147 transitions. [2021-10-11 02:21:48,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:48,381 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2021-10-11 02:21:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:21:48,382 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:48,382 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] [2021-10-11 02:21:48,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:21:48,596 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:48,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:48,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1956458727, now seen corresponding path program 1 times [2021-10-11 02:21:48,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:48,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833547987] [2021-10-11 02:21:48,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:21:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:48,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:48,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:48,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:48,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833547987] [2021-10-11 02:21:48,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:48,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:21:48,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936346877] [2021-10-11 02:21:48,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:48,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:48,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:48,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:48,878 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. Second operand 5 states. [2021-10-11 02:21:49,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:49,058 INFO L93 Difference]: Finished difference Result 501 states and 748 transitions. [2021-10-11 02:21:49,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:21:49,059 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:21:49,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:49,063 INFO L225 Difference]: With dead ends: 501 [2021-10-11 02:21:49,063 INFO L226 Difference]: Without dead ends: 406 [2021-10-11 02:21:49,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:21:49,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-10-11 02:21:49,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 186. [2021-10-11 02:21:49,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-10-11 02:21:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 267 transitions. [2021-10-11 02:21:49,097 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 267 transitions. Word has length 25 [2021-10-11 02:21:49,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:49,098 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 267 transitions. [2021-10-11 02:21:49,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:49,098 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 267 transitions. [2021-10-11 02:21:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:21:49,100 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:49,100 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, 1] [2021-10-11 02:21:49,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:21:49,315 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:49,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1752651633, now seen corresponding path program 1 times [2021-10-11 02:21:49,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:49,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522082833] [2021-10-11 02:21:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:49,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:49,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:49,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:49,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522082833] [2021-10-11 02:21:49,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:49,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:49,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673364162] [2021-10-11 02:21:49,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:49,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:49,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:49,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:49,627 INFO L87 Difference]: Start difference. First operand 186 states and 267 transitions. Second operand 5 states. [2021-10-11 02:21:49,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:49,859 INFO L93 Difference]: Finished difference Result 524 states and 758 transitions. [2021-10-11 02:21:49,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:21:49,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:21:49,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:49,863 INFO L225 Difference]: With dead ends: 524 [2021-10-11 02:21:49,863 INFO L226 Difference]: Without dead ends: 522 [2021-10-11 02:21:49,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:21:49,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-10-11 02:21:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 186. [2021-10-11 02:21:49,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-10-11 02:21:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 265 transitions. [2021-10-11 02:21:49,890 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 265 transitions. Word has length 26 [2021-10-11 02:21:49,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:49,890 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 265 transitions. [2021-10-11 02:21:49,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 265 transitions. [2021-10-11 02:21:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:21:49,892 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:49,892 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, 1, 1, 1, 1, 1] [2021-10-11 02:21:50,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:21:50,108 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:50,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:50,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1960990159, now seen corresponding path program 1 times [2021-10-11 02:21:50,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:50,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114158742] [2021-10-11 02:21:50,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:50,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:50,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:50,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:50,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114158742] [2021-10-11 02:21:50,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:50,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:50,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552937830] [2021-10-11 02:21:50,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:50,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:50,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:50,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:50,387 INFO L87 Difference]: Start difference. First operand 186 states and 265 transitions. Second operand 5 states. [2021-10-11 02:21:50,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:50,479 INFO L93 Difference]: Finished difference Result 510 states and 719 transitions. [2021-10-11 02:21:50,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:21:50,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:21:50,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:50,482 INFO L225 Difference]: With dead ends: 510 [2021-10-11 02:21:50,482 INFO L226 Difference]: Without dead ends: 330 [2021-10-11 02:21:50,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:21:50,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-10-11 02:21:50,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 198. [2021-10-11 02:21:50,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-10-11 02:21:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 277 transitions. [2021-10-11 02:21:50,528 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 277 transitions. Word has length 30 [2021-10-11 02:21:50,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:50,529 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 277 transitions. [2021-10-11 02:21:50,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:50,530 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 277 transitions. [2021-10-11 02:21:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:21:50,538 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:50,540 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, 1, 1, 1, 1, 1] [2021-10-11 02:21:50,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:21:50,752 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:50,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:50,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1940950127, now seen corresponding path program 1 times [2021-10-11 02:21:50,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:50,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728865879] [2021-10-11 02:21:50,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:50,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:21:50,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:50,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:50,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728865879] [2021-10-11 02:21:50,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:50,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:21:50,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423678502] [2021-10-11 02:21:50,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:21:50,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:50,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:21:50,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:21:50,996 INFO L87 Difference]: Start difference. First operand 198 states and 277 transitions. Second operand 4 states. [2021-10-11 02:21:51,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:51,054 INFO L93 Difference]: Finished difference Result 486 states and 674 transitions. [2021-10-11 02:21:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:21:51,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2021-10-11 02:21:51,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:51,057 INFO L225 Difference]: With dead ends: 486 [2021-10-11 02:21:51,057 INFO L226 Difference]: Without dead ends: 294 [2021-10-11 02:21:51,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:51,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-11 02:21:51,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 206. [2021-10-11 02:21:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2021-10-11 02:21:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 285 transitions. [2021-10-11 02:21:51,081 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 285 transitions. Word has length 30 [2021-10-11 02:21:51,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:51,082 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 285 transitions. [2021-10-11 02:21:51,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:21:51,082 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 285 transitions. [2021-10-11 02:21:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:21:51,083 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:51,083 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, 1, 1, 1, 1, 1] [2021-10-11 02:21:51,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:21:51,300 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:51,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:51,300 INFO L82 PathProgramCache]: Analyzing trace with hash -2095851731, now seen corresponding path program 1 times [2021-10-11 02:21:51,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:51,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163401088] [2021-10-11 02:21:51,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:51,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:51,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:51,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:51,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163401088] [2021-10-11 02:21:51,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:51,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:51,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936127099] [2021-10-11 02:21:51,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:51,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:51,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:51,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:51,537 INFO L87 Difference]: Start difference. First operand 206 states and 285 transitions. Second operand 3 states. [2021-10-11 02:21:51,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:51,587 INFO L93 Difference]: Finished difference Result 506 states and 694 transitions. [2021-10-11 02:21:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:51,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2021-10-11 02:21:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:51,591 INFO L225 Difference]: With dead ends: 506 [2021-10-11 02:21:51,591 INFO L226 Difference]: Without dead ends: 306 [2021-10-11 02:21:51,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-11 02:21:51,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-10-11 02:21:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2021-10-11 02:21:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 407 transitions. [2021-10-11 02:21:51,623 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 407 transitions. Word has length 30 [2021-10-11 02:21:51,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:51,623 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 407 transitions. [2021-10-11 02:21:51,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 407 transitions. [2021-10-11 02:21:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:21:51,624 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:51,624 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:51,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:21:51,838 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:51,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:51,839 INFO L82 PathProgramCache]: Analyzing trace with hash 191299371, now seen corresponding path program 1 times [2021-10-11 02:21:51,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:51,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047405694] [2021-10-11 02:21:51,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:21:53,263 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:21:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:21:54,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:21:55,044 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:21:55,044 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:21:55,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:21:55,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:21:55 BoogieIcfgContainer [2021-10-11 02:21:55,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:21:55,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:21:55,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:21:55,389 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:21:55,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:46" (3/4) ... [2021-10-11 02:21:55,391 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:21:55,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e59d1a-e5ae-4167-bdc2-5fd7277aebb8/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:21:55,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:21:55,478 INFO L168 Benchmark]: Toolchain (without parser) took 12847.91 ms. Allocated memory was 56.6 MB in the beginning and 111.1 MB in the end (delta: 54.5 MB). Free memory was 33.7 MB in the beginning and 55.4 MB in the end (delta: -21.7 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:55,479 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 36.7 MB in the end (delta: 75.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:55,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.99 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.5 MB in the beginning and 40.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:55,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.66 ms. Allocated memory is still 75.5 MB. Free memory was 40.9 MB in the beginning and 57.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:55,480 INFO L168 Benchmark]: Boogie Preprocessor took 96.53 ms. Allocated memory is still 75.5 MB. Free memory was 57.6 MB in the beginning and 55.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:55,481 INFO L168 Benchmark]: RCFGBuilder took 2462.52 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 42.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:55,481 INFO L168 Benchmark]: TraceAbstraction took 9250.89 ms. Allocated memory was 75.5 MB in the beginning and 111.1 MB in the end (delta: 35.7 MB). Free memory was 42.3 MB in the beginning and 69.1 MB in the end (delta: -26.8 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:55,482 INFO L168 Benchmark]: Witness Printer took 88.62 ms. Allocated memory is still 111.1 MB. Free memory was 69.1 MB in the beginning and 55.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:55,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 36.7 MB in the end (delta: 75.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 826.99 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.5 MB in the beginning and 40.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.66 ms. Allocated memory is still 75.5 MB. Free memory was 40.9 MB in the beginning and 57.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.53 ms. Allocated memory is still 75.5 MB. Free memory was 57.6 MB in the beginning and 55.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2462.52 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 42.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9250.89 ms. Allocated memory was 75.5 MB in the beginning and 111.1 MB in the end (delta: 35.7 MB). Free memory was 42.3 MB in the beginning and 69.1 MB in the end (delta: -26.8 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. * Witness Printer took 88.62 ms. Allocated memory is still 111.1 MB. Free memory was 69.1 MB in the beginning and 55.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 147]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L252] int pumpRunning = 0; [L253] int systemActive = 1; [L457] int cleanupTimeShifts = 4; [L722] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] int retValue_acc ; [L531] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L448] int retValue_acc ; [L451] retValue_acc = 1 [L452] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L537] tmp = valid_product() [L539] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L183] int splverifierCounter ; [L184] int tmp ; [L185] int tmp___0 ; [L186] int tmp___1 ; [L187] int tmp___2 ; [L190] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L192] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L194] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L200] tmp = __VERIFIER_nondet_int() [L202] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L210] tmp___0 = __VERIFIER_nondet_int() [L212] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L220] tmp___2 = __VERIFIER_nondet_int() [L222] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L259] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L266] COND TRUE \read(systemActive) [L288] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L291] COND TRUE ! pumpRunning [L385] int retValue_acc ; [L386] int tmp ; [L387] int tmp___0 ; [L129] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L391] tmp = isHighWaterSensorDry() [L393] COND FALSE !(\read(tmp)) [L396] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L398] retValue_acc = tmp___0 [L399] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L293] tmp = isHighWaterLevel() [L295] COND TRUE \read(tmp) [L316] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L154] int tmp ; [L155] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L159] tmp = isMethaneLevelCritical() [L161] COND TRUE \read(tmp) [L340] int retValue_acc ; [L343] retValue_acc = pumpRunning [L344] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L163] tmp___0 = isPumpRunning() [L165] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L147] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.0s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 628 SDtfs, 727 SDslu, 860 SDs, 0 SdLazy, 107 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 782 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 10386 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1806 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 incorrect! Received shutdown request...