./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product50.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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 46490a57ce91137af910512252196515ce511def ............................................................................................................................................ 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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 46490a57ce91137af910512252196515ce511def ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:27:48,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:48,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:48,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:48,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:48,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:48,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:48,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:48,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:48,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:48,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:48,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:48,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:48,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:48,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:48,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:48,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:48,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:48,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:48,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:48,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:48,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:48,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:48,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:48,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:48,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:48,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:48,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:48,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:48,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:48,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:48,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:48,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:48,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:48,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:48,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:48,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:48,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:48,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:48,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:48,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:48,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:27:48,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:48,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:48,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:48,659 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:48,659 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:48,659 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:48,659 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:48,660 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:48,660 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:48,660 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:48,661 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:48,661 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:48,661 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:48,662 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:48,662 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:48,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:48,663 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:48,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:48,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:48,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:48,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:48,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:48,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:48,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:48,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:48,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:48,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:48,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:48,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:48,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:48,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:48,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:48,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:48,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:48,669 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:48,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:48,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:48,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:48,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:48,670 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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46490a57ce91137af910512252196515ce511def [2021-10-11 02:27:48,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:49,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:49,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:49,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:49,027 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:49,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c [2021-10-11 02:27:49,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data/1c405ce65/fa8d877403da4f349723b6e498032152/FLAGc5af94149 [2021-10-11 02:27:49,820 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:49,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c [2021-10-11 02:27:49,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data/1c405ce65/fa8d877403da4f349723b6e498032152/FLAGc5af94149 [2021-10-11 02:27:50,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data/1c405ce65/fa8d877403da4f349723b6e498032152 [2021-10-11 02:27:50,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:50,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:50,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:50,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:50,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:50,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253e3b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50, skipping insertion in model container [2021-10-11 02:27:50,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:50,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:50,469 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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[5930,5943] [2021-10-11 02:27:50,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:50,629 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 02:27:50,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2407555d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50, skipping insertion in model container [2021-10-11 02:27:50,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:50,631 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:27:50,634 INFO L168 Benchmark]: Toolchain (without parser) took 537.17 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 53.1 MB in the beginning and 82.8 MB in the end (delta: -29.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:50,635 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 60.2 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:50,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.90 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 52.9 MB in the beginning and 82.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:50,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 60.2 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 533.90 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 52.9 MB in the beginning and 82.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 630]: 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 02:27:53,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:53,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:53,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:53,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:53,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:53,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:53,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:53,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:53,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:53,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:53,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:53,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:53,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:53,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:53,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:53,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:53,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:53,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:53,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:53,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:53,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:53,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:53,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:53,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:53,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:53,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:53,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:53,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:53,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:53,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:53,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:53,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:53,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:53,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:53,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:53,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:53,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:53,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:53,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:53,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:53,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:53,578 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:53,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:53,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:53,581 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:53,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:53,581 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:53,582 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:53,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:53,582 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:53,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:53,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:53,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:53,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:53,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:53,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:53,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:53,588 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:53,588 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:53,589 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:53,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:53,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:53,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:53,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:53,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:53,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:53,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:53,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:53,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:53,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:53,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:53,593 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:53,593 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:53,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:53,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:53,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:53,595 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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46490a57ce91137af910512252196515ce511def [2021-10-11 02:27:54,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:54,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:54,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:54,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:54,162 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:54,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c [2021-10-11 02:27:54,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data/7da8248db/6ecf07ae896f4254b09c2867de042ab2/FLAGa6b31c0a7 [2021-10-11 02:27:54,942 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:54,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c [2021-10-11 02:27:54,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data/7da8248db/6ecf07ae896f4254b09c2867de042ab2/FLAGa6b31c0a7 [2021-10-11 02:27:55,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/data/7da8248db/6ecf07ae896f4254b09c2867de042ab2 [2021-10-11 02:27:55,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:55,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:55,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:55,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:55,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:55,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a95a0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55, skipping insertion in model container [2021-10-11 02:27:55,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:55,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:55,710 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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[5930,5943] [2021-10-11 02:27:55,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:55,950 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:27:55,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:56,016 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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[5930,5943] [2021-10-11 02:27:56,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:56,132 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:56,192 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_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[5930,5943] [2021-10-11 02:27:56,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:56,305 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:56,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56 WrapperNode [2021-10-11 02:27:56,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:56,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:56,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:56,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:56,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... [2021-10-11 02:27:56,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... [2021-10-11 02:27:56,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:56,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:56,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:56,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:56,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... [2021-10-11 02:27:56,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... [2021-10-11 02:27:56,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... [2021-10-11 02:27:56,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... [2021-10-11 02:27:56,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... [2021-10-11 02:27:56,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... [2021-10-11 02:27:56,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... [2021-10-11 02:27:56,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:56,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:56,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:56,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:56,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:27:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:27:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:59,684 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:59,697 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-11 02:27:59,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:59 BoogieIcfgContainer [2021-10-11 02:27:59,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:59,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:59,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:59,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:59,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:55" (1/3) ... [2021-10-11 02:27:59,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2221b71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:59, skipping insertion in model container [2021-10-11 02:27:59,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:56" (2/3) ... [2021-10-11 02:27:59,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2221b71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:59, skipping insertion in model container [2021-10-11 02:27:59,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:59" (3/3) ... [2021-10-11 02:27:59,709 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product50.cil.c [2021-10-11 02:27:59,748 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:59,768 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:27:59,790 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:27:59,853 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:59,853 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:59,853 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:59,853 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:59,853 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:59,853 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:59,854 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:59,854 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:59,874 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-10-11 02:27:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:27:59,880 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:59,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:59,882 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:59,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:59,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2021-10-11 02:27:59,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:59,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511362510] [2021-10-11 02:27:59,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:00,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:00,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:00,276 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 02:28:00,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:00,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511362510] [2021-10-11 02:28:00,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:00,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:00,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189614648] [2021-10-11 02:28:00,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:00,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:00,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:00,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:00,302 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-10-11 02:28:00,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:00,340 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-11 02:28:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:00,341 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:28:00,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:00,354 INFO L225 Difference]: With dead ends: 228 [2021-10-11 02:28:00,354 INFO L226 Difference]: Without dead ends: 113 [2021-10-11 02:28:00,358 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 02:28:00,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-11 02:28:00,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-11 02:28:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-10-11 02:28:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-11 02:28:00,411 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2021-10-11 02:28:00,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:00,412 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-11 02:28:00,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-11 02:28:00,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:28:00,413 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:00,414 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 02:28:00,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:00,639 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:00,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:00,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2021-10-11 02:28:00,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:00,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357591975] [2021-10-11 02:28:00,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:00,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:00,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:00,960 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 02:28:00,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:00,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357591975] [2021-10-11 02:28:00,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:00,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:00,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966057716] [2021-10-11 02:28:00,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:00,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:00,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:00,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:00,970 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2021-10-11 02:28:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:00,997 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-11 02:28:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:01,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:28:01,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:01,007 INFO L225 Difference]: With dead ends: 113 [2021-10-11 02:28:01,008 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:28:01,010 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 02:28:01,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:28:01,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:28:01,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:28:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 02:28:01,029 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-10-11 02:28:01,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:01,029 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 02:28:01,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:01,030 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 02:28:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:28:01,031 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:01,031 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 02:28:01,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:01,232 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:01,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:01,233 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2021-10-11 02:28:01,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:01,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630397982] [2021-10-11 02:28:01,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:01,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:01,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:01,506 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 02:28:01,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:01,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630397982] [2021-10-11 02:28:01,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:01,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:01,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248758398] [2021-10-11 02:28:01,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:01,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:01,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:01,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:01,510 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2021-10-11 02:28:01,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:01,551 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-11 02:28:01,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:01,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:28:01,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:01,553 INFO L225 Difference]: With dead ends: 88 [2021-10-11 02:28:01,554 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:28:01,554 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 02:28:01,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:28:01,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:28:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:28:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 02:28:01,562 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2021-10-11 02:28:01,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:01,563 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 02:28:01,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 02:28:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:28:01,564 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:01,565 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] [2021-10-11 02:28:01,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:01,788 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:01,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:01,789 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2021-10-11 02:28:01,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:01,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424552850] [2021-10-11 02:28:01,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:02,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:02,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:02,087 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 02:28:02,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:02,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424552850] [2021-10-11 02:28:02,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:02,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:02,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449305444] [2021-10-11 02:28:02,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:02,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:02,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:02,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:02,091 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 02:28:02,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:02,163 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2021-10-11 02:28:02,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:02,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:28:02,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:02,165 INFO L225 Difference]: With dead ends: 109 [2021-10-11 02:28:02,165 INFO L226 Difference]: Without dead ends: 68 [2021-10-11 02:28:02,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 02:28:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-11 02:28:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-10-11 02:28:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-10-11 02:28:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-10-11 02:28:02,179 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2021-10-11 02:28:02,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:02,180 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-10-11 02:28:02,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-10-11 02:28:02,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:28:02,182 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:02,182 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 02:28:02,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:02,406 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:02,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:02,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2021-10-11 02:28:02,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:02,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848966439] [2021-10-11 02:28:02,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:02,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:02,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:02,743 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 02:28:02,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:02,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848966439] [2021-10-11 02:28:02,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:02,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:02,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713921348] [2021-10-11 02:28:02,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:02,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:02,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:02,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:02,746 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2021-10-11 02:28:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:02,852 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2021-10-11 02:28:02,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:28:02,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:28:02,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:02,855 INFO L225 Difference]: With dead ends: 175 [2021-10-11 02:28:02,855 INFO L226 Difference]: Without dead ends: 115 [2021-10-11 02:28:02,856 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 02:28:02,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-11 02:28:02,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2021-10-11 02:28:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 02:28:02,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2021-10-11 02:28:02,869 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2021-10-11 02:28:02,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:02,869 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2021-10-11 02:28:02,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-10-11 02:28:02,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:28:02,871 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:02,871 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 02:28:03,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:03,091 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:03,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:03,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2021-10-11 02:28:03,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:03,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14176143] [2021-10-11 02:28:03,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:03,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:03,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:03,393 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 02:28:03,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:03,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14176143] [2021-10-11 02:28:03,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:03,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:03,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824260114] [2021-10-11 02:28:03,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:03,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:03,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:03,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:03,396 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2021-10-11 02:28:03,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:03,616 INFO L93 Difference]: Finished difference Result 382 states and 538 transitions. [2021-10-11 02:28:03,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:28:03,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:28:03,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:03,620 INFO L225 Difference]: With dead ends: 382 [2021-10-11 02:28:03,620 INFO L226 Difference]: Without dead ends: 316 [2021-10-11 02:28:03,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 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 02:28:03,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-10-11 02:28:03,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 132. [2021-10-11 02:28:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-10-11 02:28:03,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 181 transitions. [2021-10-11 02:28:03,650 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 181 transitions. Word has length 30 [2021-10-11 02:28:03,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:03,650 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 181 transitions. [2021-10-11 02:28:03,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 181 transitions. [2021-10-11 02:28:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:28:03,652 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:03,652 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 02:28:03,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:28:03,874 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:03,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:03,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1715093079, now seen corresponding path program 1 times [2021-10-11 02:28:03,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:03,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617876235] [2021-10-11 02:28:03,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:04,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:04,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:04,169 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 02:28:04,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:04,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617876235] [2021-10-11 02:28:04,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:04,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:04,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455962116] [2021-10-11 02:28:04,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:04,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:04,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:04,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:04,172 INFO L87 Difference]: Start difference. First operand 132 states and 181 transitions. Second operand 5 states. [2021-10-11 02:28:04,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:04,440 INFO L93 Difference]: Finished difference Result 378 states and 520 transitions. [2021-10-11 02:28:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:28:04,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:28:04,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:04,444 INFO L225 Difference]: With dead ends: 378 [2021-10-11 02:28:04,445 INFO L226 Difference]: Without dead ends: 376 [2021-10-11 02:28:04,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 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 02:28:04,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-10-11 02:28:04,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2021-10-11 02:28:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-10-11 02:28:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 180 transitions. [2021-10-11 02:28:04,473 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 180 transitions. Word has length 31 [2021-10-11 02:28:04,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:04,473 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 180 transitions. [2021-10-11 02:28:04,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 180 transitions. [2021-10-11 02:28:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:28:04,475 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:04,475 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 02:28:04,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:28:04,691 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:04,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:04,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1340444974, now seen corresponding path program 1 times [2021-10-11 02:28:04,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:04,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4449241] [2021-10-11 02:28:04,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:04,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:28:04,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:04,959 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 02:28:04,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:04,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4449241] [2021-10-11 02:28:04,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:04,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:04,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074856244] [2021-10-11 02:28:04,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:04,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:04,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:04,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:04,969 INFO L87 Difference]: Start difference. First operand 132 states and 180 transitions. Second operand 4 states. [2021-10-11 02:28:05,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:05,051 INFO L93 Difference]: Finished difference Result 316 states and 428 transitions. [2021-10-11 02:28:05,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:05,052 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:28:05,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:05,054 INFO L225 Difference]: With dead ends: 316 [2021-10-11 02:28:05,054 INFO L226 Difference]: Without dead ends: 190 [2021-10-11 02:28:05,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 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 02:28:05,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-10-11 02:28:05,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 140. [2021-10-11 02:28:05,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 02:28:05,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 188 transitions. [2021-10-11 02:28:05,080 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 188 transitions. Word has length 31 [2021-10-11 02:28:05,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:05,080 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 188 transitions. [2021-10-11 02:28:05,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:05,081 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2021-10-11 02:28:05,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:28:05,082 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:05,082 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 02:28:05,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:28:05,297 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:05,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:05,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1082279536, now seen corresponding path program 1 times [2021-10-11 02:28:05,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:05,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426927150] [2021-10-11 02:28:05,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:05,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:05,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:05,575 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 02:28:05,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:05,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426927150] [2021-10-11 02:28:05,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:05,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:05,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213569659] [2021-10-11 02:28:05,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:05,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:05,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:05,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:05,578 INFO L87 Difference]: Start difference. First operand 140 states and 188 transitions. Second operand 3 states. [2021-10-11 02:28:05,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:05,658 INFO L93 Difference]: Finished difference Result 324 states and 434 transitions. [2021-10-11 02:28:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:05,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2021-10-11 02:28:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:05,661 INFO L225 Difference]: With dead ends: 324 [2021-10-11 02:28:05,661 INFO L226 Difference]: Without dead ends: 190 [2021-10-11 02:28:05,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 02:28:05,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-10-11 02:28:05,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2021-10-11 02:28:05,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-10-11 02:28:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 248 transitions. [2021-10-11 02:28:05,694 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 248 transitions. Word has length 31 [2021-10-11 02:28:05,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:05,694 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 248 transitions. [2021-10-11 02:28:05,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2021-10-11 02:28:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:28:05,696 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:05,696 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, 1] [2021-10-11 02:28:05,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:28:05,915 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:05,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:05,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1099927890, now seen corresponding path program 1 times [2021-10-11 02:28:05,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:05,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645077530] [2021-10-11 02:28:05,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/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 02:28:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:07,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:09,610 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:09,789 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:28:09,790 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:28:10,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:28:10,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:10 BoogieIcfgContainer [2021-10-11 02:28:10,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:10,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:10,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:10,165 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:10,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:59" (3/4) ... [2021-10-11 02:28:10,182 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:28:10,296 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2ddb95-9252-4fb4-a6a3-19a3f54b3ad1/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:10,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:10,298 INFO L168 Benchmark]: Toolchain (without parser) took 15043.83 ms. Allocated memory was 62.9 MB in the beginning and 96.5 MB in the end (delta: 33.6 MB). Free memory was 42.4 MB in the beginning and 51.6 MB in the end (delta: -9.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:10,299 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 62.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:10,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1049.25 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 30.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:10,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.72 ms. Allocated memory is still 62.9 MB. Free memory was 30.1 MB in the beginning and 26.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:10,300 INFO L168 Benchmark]: Boogie Preprocessor took 107.12 ms. Allocated memory is still 79.7 MB. Free memory was 63.7 MB in the beginning and 60.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:10,301 INFO L168 Benchmark]: RCFGBuilder took 3128.08 ms. Allocated memory is still 79.7 MB. Free memory was 60.9 MB in the beginning and 45.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:10,302 INFO L168 Benchmark]: TraceAbstraction took 10462.48 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 65.2 MB in the end (delta: -20.7 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:10,302 INFO L168 Benchmark]: Witness Printer took 131.85 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 51.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:10,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 62.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1049.25 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 30.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.72 ms. Allocated memory is still 62.9 MB. Free memory was 30.1 MB in the beginning and 26.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.12 ms. Allocated memory is still 79.7 MB. Free memory was 63.7 MB in the beginning and 60.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3128.08 ms. Allocated memory is still 79.7 MB. Free memory was 60.9 MB in the beginning and 45.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10462.48 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 65.2 MB in the end (delta: -20.7 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. * Witness Printer took 131.85 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 51.6 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: 390]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L78] int waterLevel = 1; [L79] int methaneLevelCritical = 0; [L181] int cleanupTimeShifts = 4; [L397] int pumpRunning = 0; [L398] int systemActive = 1; [L771] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L260] int retValue_acc ; [L261] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L309] int retValue_acc ; [L312] retValue_acc = 1 [L313] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L267] tmp = valid_product() [L269] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L320] int splverifierCounter ; [L321] int tmp ; [L322] int tmp___0 ; [L323] int tmp___1 ; [L324] int tmp___2 ; [L327] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L329] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L331] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L337] tmp = __VERIFIER_nondet_int() [L339] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L96] COND TRUE waterLevel < 2 [L97] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L347] tmp___0 = __VERIFIER_nondet_int() [L349] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L108] COND FALSE !(\read(methaneLevelCritical)) [L111] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L357] tmp___2 = __VERIFIER_nondet_int() [L359] COND TRUE \read(tmp___2) [L597] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L404] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L411] COND TRUE \read(systemActive) [L459] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L462] COND FALSE !(\read(pumpRunning)) [L433] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L436] COND TRUE ! pumpRunning [L556] int retValue_acc ; [L557] int tmp ; [L558] int tmp___0 ; [L158] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L161] COND FALSE !(waterLevel < 2) [L165] retValue_acc = 0 [L166] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L562] tmp = isHighWaterSensorDry() [L564] COND FALSE !(\read(tmp)) [L567] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L569] retValue_acc = tmp___0 [L570] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L438] tmp = isHighWaterLevel() [L440] COND TRUE \read(tmp) [L487] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L46] int tmp ; [L47] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = methaneLevelCritical [L121] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND TRUE \read(tmp) [L511] int retValue_acc ; [L514] retValue_acc = pumpRunning [L515] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L55] tmp___0 = isPumpRunning() [L57] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L390] 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, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 830 SDtfs, 929 SDslu, 1035 SDs, 0 SdLazy, 138 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 523 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 11185 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1831 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...