./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:52:55,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:52:55,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:52:55,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:52:55,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:52:55,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:52:55,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:52:55,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:52:55,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:52:55,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:52:55,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:52:55,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:52:55,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:52:55,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:52:55,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:52:55,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:52:55,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:52:55,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:52:55,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:52:55,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:52:55,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:52:55,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:52:55,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:52:55,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:52:55,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:52:55,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:52:55,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:52:55,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:52:55,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:52:55,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:52:55,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:52:55,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:52:55,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:52:55,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:52:55,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:52:55,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:52:55,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:52:55,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:52:55,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:52:55,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:52:55,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:52:55,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:52:55,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:52:55,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:52:55,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:52:55,610 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:52:55,611 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:52:55,611 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:52:55,611 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:52:55,611 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:52:55,612 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:52:55,612 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:52:55,612 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:52:55,612 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:52:55,612 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:52:55,613 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:52:55,613 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:52:55,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:52:55,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:52:55,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:52:55,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:52:55,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:52:55,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:52:55,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:52:55,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:52:55,615 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:52:55,615 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:52:55,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:52:55,616 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:52:55,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:52:55,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:52:55,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:52:55,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:52:55,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:52:55,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:52:55,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:52:55,618 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:52:55,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:52:55,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:52:55,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:52:55,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:52:55,619 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_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e [2021-11-07 00:52:55,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:52:55,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:52:55,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:52:55,944 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:52:55,945 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:52:55,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-11-07 00:52:56,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data/1011b0f1d/66a2ecd75b024d8c89aa753dc477e7db/FLAGf2921aac6 [2021-11-07 00:52:56,737 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:52:56,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-11-07 00:52:56,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data/1011b0f1d/66a2ecd75b024d8c89aa753dc477e7db/FLAGf2921aac6 [2021-11-07 00:52:57,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data/1011b0f1d/66a2ecd75b024d8c89aa753dc477e7db [2021-11-07 00:52:57,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:52:57,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:52:57,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:52:57,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:52:57,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:52:57,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:57" (1/1) ... [2021-11-07 00:52:57,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4408e462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:57, skipping insertion in model container [2021-11-07 00:52:57,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:57" (1/1) ... [2021-11-07 00:52:57,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:52:57,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:52:57,492 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2021-11-07 00:52:57,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:52:57,563 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 00:52:57,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@593b3e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:57, skipping insertion in model container [2021-11-07 00:52:57,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:52:57,570 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:52:57,574 INFO L168 Benchmark]: Toolchain (without parser) took 556.96 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 85.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:57,575 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:52:57,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.84 ms. Allocated memory is still 113.2 MB. Free memory was 80.7 MB in the beginning and 85.0 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:52:57,581 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 553.84 ms. Allocated memory is still 113.2 MB. Free memory was 80.7 MB in the beginning and 85.0 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 311]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:52:59,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:52:59,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:52:59,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:52:59,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:52:59,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:52:59,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:52:59,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:52:59,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:52:59,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:52:59,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:52:59,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:52:59,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:52:59,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:52:59,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:52:59,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:52:59,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:52:59,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:52:59,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:00,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:00,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:00,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:00,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:00,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:00,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:00,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:00,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:00,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:00,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:00,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:00,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:00,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:00,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:00,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:00,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:00,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:00,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:00,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:00,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:00,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:00,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:00,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:53:00,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:00,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:00,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:00,061 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:00,062 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:00,062 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:00,062 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:00,062 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:00,063 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:00,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:00,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:00,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:00,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:00,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:00,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:00,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:00,065 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:00,065 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:53:00,065 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:53:00,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:00,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:00,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:00,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:00,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:00,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:53:00,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:00,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:00,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:00,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:00,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:00,068 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:53:00,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:00,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:00,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:00,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:00,069 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_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e [2021-11-07 00:53:00,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:00,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:00,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:00,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:00,464 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:00,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-11-07 00:53:00,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data/a08c79a42/92be425617374e09857594ae54bb5cb6/FLAG727521c26 [2021-11-07 00:53:01,061 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:01,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-11-07 00:53:01,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data/a08c79a42/92be425617374e09857594ae54bb5cb6/FLAG727521c26 [2021-11-07 00:53:01,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/data/a08c79a42/92be425617374e09857594ae54bb5cb6 [2021-11-07 00:53:01,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:01,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:01,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:01,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:01,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:01,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:01" (1/1) ... [2021-11-07 00:53:01,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2c1d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:01, skipping insertion in model container [2021-11-07 00:53:01,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:01" (1/1) ... [2021-11-07 00:53:01,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:01,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:01,787 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2021-11-07 00:53:01,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:01,831 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:53:01,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:01,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2021-11-07 00:53:01,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:01,963 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:02,034 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2021-11-07 00:53:02,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:02,077 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:02,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02 WrapperNode [2021-11-07 00:53:02,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:02,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:02,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:02,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:02,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:02,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:02,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:02,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:02,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:02,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:02,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:02,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:02,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (1/1) ... [2021-11-07 00:53:02,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:02,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:02,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:02,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:53:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:53:04,753 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:53:04,753 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-11-07 00:53:04,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:04 BoogieIcfgContainer [2021-11-07 00:53:04,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:53:04,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:53:04,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:53:04,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:53:04,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:01" (1/3) ... [2021-11-07 00:53:04,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edef82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:04, skipping insertion in model container [2021-11-07 00:53:04,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02" (2/3) ... [2021-11-07 00:53:04,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edef82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:04, skipping insertion in model container [2021-11-07 00:53:04,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:04" (3/3) ... [2021-11-07 00:53:04,765 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2021-11-07 00:53:04,770 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:53:04,771 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 00:53:04,836 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:53:04,846 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:53:04,846 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 00:53:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 00:53:04,891 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:04,892 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:04,892 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:04,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:04,900 INFO L85 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-11-07 00:53:04,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:04,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528109591] [2021-11-07 00:53:04,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:04,915 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:04,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:04,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:04,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:53:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:05,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:53:05,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:05,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:05,361 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:05,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528109591] [2021-11-07 00:53:05,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528109591] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:05,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:05,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:53:05,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243065344] [2021-11-07 00:53:05,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:53:05,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:05,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:53:05,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:05,385 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:05,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:05,407 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-11-07 00:53:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:53:05,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 00:53:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:05,419 INFO L225 Difference]: With dead ends: 148 [2021-11-07 00:53:05,419 INFO L226 Difference]: Without dead ends: 73 [2021-11-07 00:53:05,422 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:05,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-07 00:53:05,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-07 00:53:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-11-07 00:53:05,462 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-11-07 00:53:05,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:05,463 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-11-07 00:53:05,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-11-07 00:53:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 00:53:05,464 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:05,465 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:05,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 00:53:05,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:05,677 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:05,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:05,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-11-07 00:53:05,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:05,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080313024] [2021-11-07 00:53:05,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:05,679 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:05,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:05,683 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:05,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:53:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:05,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:05,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:05,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:05,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:06,049 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:06,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080313024] [2021-11-07 00:53:06,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080313024] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:06,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:06,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:53:06,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041642505] [2021-11-07 00:53:06,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:53:06,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:06,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:53:06,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:53:06,057 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:06,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:06,093 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-11-07 00:53:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:06,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 00:53:06,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:06,096 INFO L225 Difference]: With dead ends: 73 [2021-11-07 00:53:06,096 INFO L226 Difference]: Without dead ends: 35 [2021-11-07 00:53:06,097 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:53:06,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-07 00:53:06,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-07 00:53:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-11-07 00:53:06,114 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-11-07 00:53:06,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:06,115 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-11-07 00:53:06,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:06,116 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-11-07 00:53:06,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 00:53:06,118 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:06,119 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:06,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:06,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:06,333 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:06,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:06,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-11-07 00:53:06,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:06,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617071676] [2021-11-07 00:53:06,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:06,335 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:06,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:06,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:06,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:53:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:06,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:06,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:06,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:06,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:06,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:06,698 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:06,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617071676] [2021-11-07 00:53:06,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1617071676] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:06,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:06,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:53:06,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869742841] [2021-11-07 00:53:06,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:53:06,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:06,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:53:06,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:53:06,705 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:06,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:06,769 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-11-07 00:53:06,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:53:06,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 00:53:06,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:06,775 INFO L225 Difference]: With dead ends: 116 [2021-11-07 00:53:06,775 INFO L226 Difference]: Without dead ends: 87 [2021-11-07 00:53:06,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:53:06,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-07 00:53:06,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-11-07 00:53:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:06,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-11-07 00:53:06,795 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-11-07 00:53:06,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:06,796 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-11-07 00:53:06,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-11-07 00:53:06,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 00:53:06,798 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:06,798 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:06,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:07,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:07,027 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:07,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:07,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-11-07 00:53:07,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:07,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685736861] [2021-11-07 00:53:07,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:07,029 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:07,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:07,030 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:07,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:53:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:07,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:53:07,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:07,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:07,499 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:07,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685736861] [2021-11-07 00:53:07,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685736861] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:07,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:07,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 00:53:07,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294513579] [2021-11-07 00:53:07,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 00:53:07,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:07,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 00:53:07,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 00:53:07,516 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:07,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:07,827 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2021-11-07 00:53:07,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 00:53:07,828 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 00:53:07,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:07,834 INFO L225 Difference]: With dead ends: 373 [2021-11-07 00:53:07,834 INFO L226 Difference]: Without dead ends: 325 [2021-11-07 00:53:07,835 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 00:53:07,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-11-07 00:53:07,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2021-11-07 00:53:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.451851851851852) internal successors, (196), 135 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-11-07 00:53:07,887 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2021-11-07 00:53:07,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:07,887 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-11-07 00:53:07,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:07,888 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-11-07 00:53:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 00:53:07,895 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:07,895 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:07,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 00:53:08,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:08,119 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:08,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:08,119 INFO L85 PathProgramCache]: Analyzing trace with hash -746802105, now seen corresponding path program 1 times [2021-11-07 00:53:08,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:08,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527842482] [2021-11-07 00:53:08,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:08,121 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:08,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:08,122 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:08,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:53:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:08,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:08,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:08,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:08,506 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:08,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527842482] [2021-11-07 00:53:08,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527842482] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:08,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:08,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:53:08,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771793501] [2021-11-07 00:53:08,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:53:08,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:08,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:53:08,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:08,509 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:09,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:09,855 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2021-11-07 00:53:09,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:09,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 00:53:09,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:09,858 INFO L225 Difference]: With dead ends: 354 [2021-11-07 00:53:09,858 INFO L226 Difference]: Without dead ends: 224 [2021-11-07 00:53:09,859 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:09,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-07 00:53:09,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2021-11-07 00:53:09,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.4253393665158371) internal successors, (315), 221 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:09,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2021-11-07 00:53:09,884 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2021-11-07 00:53:09,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:09,884 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2021-11-07 00:53:09,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2021-11-07 00:53:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 00:53:09,886 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:09,886 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:09,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:10,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:10,106 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:10,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:10,106 INFO L85 PathProgramCache]: Analyzing trace with hash -2101366400, now seen corresponding path program 1 times [2021-11-07 00:53:10,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:10,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381327658] [2021-11-07 00:53:10,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:10,107 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:10,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:10,110 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:10,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 00:53:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:10,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:10,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:10,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:10,517 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:10,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381327658] [2021-11-07 00:53:10,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381327658] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:10,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:10,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:53:10,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225682147] [2021-11-07 00:53:10,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:53:10,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:10,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:53:10,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:10,519 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:10,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:10,546 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2021-11-07 00:53:10,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:10,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 00:53:10,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:10,548 INFO L225 Difference]: With dead ends: 331 [2021-11-07 00:53:10,548 INFO L226 Difference]: Without dead ends: 115 [2021-11-07 00:53:10,549 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:10,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-07 00:53:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-11-07 00:53:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-11-07 00:53:10,561 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2021-11-07 00:53:10,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:10,562 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-11-07 00:53:10,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:10,562 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-11-07 00:53:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 00:53:10,563 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:10,563 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:10,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:10,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:10,776 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:10,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:10,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1392388941, now seen corresponding path program 1 times [2021-11-07 00:53:10,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:10,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908345030] [2021-11-07 00:53:10,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:10,777 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:10,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:10,778 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:10,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 00:53:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:11,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:53:11,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:11,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:11,397 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:11,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908345030] [2021-11-07 00:53:11,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908345030] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:11,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [707953859] [2021-11-07 00:53:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:11,398 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:11,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:53:11,400 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:53:11,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 00:53:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:11,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:53:11,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 00:53:11,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 00:53:11,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [707953859] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:11,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:53:11,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 00:53:11,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305199308] [2021-11-07 00:53:11,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:53:11,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:11,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:53:11,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:53:11,859 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:12,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:12,002 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2021-11-07 00:53:12,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:53:12,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-07 00:53:12,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:12,008 INFO L225 Difference]: With dead ends: 235 [2021-11-07 00:53:12,008 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:53:12,009 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 00:53:12,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:53:12,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:53:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:12,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:53:12,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-11-07 00:53:12,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:12,010 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:53:12,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:53:12,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:53:12,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:12,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:12,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:12,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:12,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-11-07 00:53:12,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:12,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:53:12,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:12,827 INFO L857 garLoopResultBuilder]: For program point L101-6(lines 101 105) no Hoare annotation was computed. [2021-11-07 00:53:12,827 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 900) no Hoare annotation was computed. [2021-11-07 00:53:12,827 INFO L853 garLoopResultBuilder]: At program point L894-1(lines 894 900) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,827 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-11-07 00:53:12,827 INFO L853 garLoopResultBuilder]: At program point L696(lines 695 714) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,828 INFO L857 garLoopResultBuilder]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2021-11-07 00:53:12,828 INFO L853 garLoopResultBuilder]: At program point L696-2(lines 695 714) the Hoare annotation is: false [2021-11-07 00:53:12,828 INFO L853 garLoopResultBuilder]: At program point L696-3(lines 695 714) the Hoare annotation is: false [2021-11-07 00:53:12,828 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:53:12,828 INFO L857 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2021-11-07 00:53:12,828 INFO L853 garLoopResultBuilder]: At program point L912-1(lines 696 702) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,828 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:12,828 INFO L857 garLoopResultBuilder]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:12,829 INFO L857 garLoopResultBuilder]: For program point L830-3(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:12,829 INFO L857 garLoopResultBuilder]: For program point L830-5(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:12,829 INFO L857 garLoopResultBuilder]: For program point L830-6(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:12,829 INFO L857 garLoopResultBuilder]: For program point L830-8(lines 830 834) no Hoare annotation was computed. [2021-11-07 00:53:12,829 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 276) no Hoare annotation was computed. [2021-11-07 00:53:12,829 INFO L853 garLoopResultBuilder]: At program point L781(lines 776 784) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,829 INFO L853 garLoopResultBuilder]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2021-11-07 00:53:12,830 INFO L860 garLoopResultBuilder]: At program point L269-1(lines 269 276) the Hoare annotation is: true [2021-11-07 00:53:12,830 INFO L853 garLoopResultBuilder]: At program point L781-2(lines 776 784) the Hoare annotation is: false [2021-11-07 00:53:12,830 INFO L853 garLoopResultBuilder]: At program point L170(lines 165 173) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,830 INFO L853 garLoopResultBuilder]: At program point L170-1(lines 165 173) the Hoare annotation is: false [2021-11-07 00:53:12,830 INFO L853 garLoopResultBuilder]: At program point L170-2(lines 165 173) the Hoare annotation is: false [2021-11-07 00:53:12,830 INFO L857 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2021-11-07 00:53:12,830 INFO L857 garLoopResultBuilder]: For program point L732-1(lines 732 740) no Hoare annotation was computed. [2021-11-07 00:53:12,830 INFO L857 garLoopResultBuilder]: For program point L732-2(lines 732 740) no Hoare annotation was computed. [2021-11-07 00:53:12,831 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 680) no Hoare annotation was computed. [2021-11-07 00:53:12,831 INFO L853 garLoopResultBuilder]: At program point L667-1(lines 1 931) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,831 INFO L857 garLoopResultBuilder]: For program point L667-2(lines 667 680) no Hoare annotation was computed. [2021-11-07 00:53:12,831 INFO L853 garLoopResultBuilder]: At program point L667-3(lines 1 931) the Hoare annotation is: false [2021-11-07 00:53:12,831 INFO L857 garLoopResultBuilder]: For program point L667-4(lines 667 680) no Hoare annotation was computed. [2021-11-07 00:53:12,831 INFO L853 garLoopResultBuilder]: At program point L667-5(lines 1 931) the Hoare annotation is: false [2021-11-07 00:53:12,831 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:53:12,831 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2021-11-07 00:53:12,832 INFO L853 garLoopResultBuilder]: At program point L884-1(lines 884 890) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,832 INFO L857 garLoopResultBuilder]: For program point L653(line 653) no Hoare annotation was computed. [2021-11-07 00:53:12,832 INFO L857 garLoopResultBuilder]: For program point L653-1(line 653) no Hoare annotation was computed. [2021-11-07 00:53:12,832 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 931) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,832 INFO L857 garLoopResultBuilder]: For program point L653-2(line 653) no Hoare annotation was computed. [2021-11-07 00:53:12,832 INFO L853 garLoopResultBuilder]: At program point L703(lines 703 709) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,832 INFO L853 garLoopResultBuilder]: At program point L703-1(lines 703 709) the Hoare annotation is: false [2021-11-07 00:53:12,832 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-11-07 00:53:12,833 INFO L853 garLoopResultBuilder]: At program point L703-2(lines 703 709) the Hoare annotation is: false [2021-11-07 00:53:12,833 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-11-07 00:53:12,833 INFO L853 garLoopResultBuilder]: At program point L836(lines 821 839) the Hoare annotation is: false [2021-11-07 00:53:12,833 INFO L853 garLoopResultBuilder]: At program point L836-1(lines 821 839) the Hoare annotation is: false [2021-11-07 00:53:12,833 INFO L853 garLoopResultBuilder]: At program point L836-2(lines 821 839) the Hoare annotation is: false [2021-11-07 00:53:12,833 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 677) no Hoare annotation was computed. [2021-11-07 00:53:12,833 INFO L857 garLoopResultBuilder]: For program point L671-2(lines 671 677) no Hoare annotation was computed. [2021-11-07 00:53:12,834 INFO L857 garLoopResultBuilder]: For program point L671-4(lines 671 677) no Hoare annotation was computed. [2021-11-07 00:53:12,834 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:53:12,834 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 919) no Hoare annotation was computed. [2021-11-07 00:53:12,834 INFO L860 garLoopResultBuilder]: At program point L278(lines 259 281) the Hoare annotation is: true [2021-11-07 00:53:12,834 INFO L853 garLoopResultBuilder]: At program point L245(lines 241 247) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,834 INFO L853 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: false [2021-11-07 00:53:12,834 INFO L853 garLoopResultBuilder]: At program point L179-1(lines 174 182) the Hoare annotation is: false [2021-11-07 00:53:12,834 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2021-11-07 00:53:12,835 INFO L853 garLoopResultBuilder]: At program point L179-2(lines 174 182) the Hoare annotation is: false [2021-11-07 00:53:12,835 INFO L853 garLoopResultBuilder]: At program point L196-2(lines 196 210) the Hoare annotation is: false [2021-11-07 00:53:12,835 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-07 00:53:12,835 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:53:12,835 INFO L853 garLoopResultBuilder]: At program point L924(lines 873 925) the Hoare annotation is: false [2021-11-07 00:53:12,835 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-11-07 00:53:12,835 INFO L857 garLoopResultBuilder]: For program point L875(lines 874 923) no Hoare annotation was computed. [2021-11-07 00:53:12,836 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,836 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2021-11-07 00:53:12,836 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2021-11-07 00:53:12,836 INFO L857 garLoopResultBuilder]: For program point L728-1(lines 728 745) no Hoare annotation was computed. [2021-11-07 00:53:12,836 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 745) no Hoare annotation was computed. [2021-11-07 00:53:12,836 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 850) no Hoare annotation was computed. [2021-11-07 00:53:12,836 INFO L853 garLoopResultBuilder]: At program point L844-1(lines 844 850) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:12,836 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 204) no Hoare annotation was computed. [2021-11-07 00:53:12,836 INFO L857 garLoopResultBuilder]: For program point L200-1(lines 696 702) no Hoare annotation was computed. [2021-11-07 00:53:12,837 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-11-07 00:53:12,837 INFO L857 garLoopResultBuilder]: For program point L101-3(lines 101 105) no Hoare annotation was computed. [2021-11-07 00:53:12,844 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:12,849 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:53:12,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:53:12 BoogieIcfgContainer [2021-11-07 00:53:12,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:53:12,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:53:12,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:53:12,878 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:53:12,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:04" (3/4) ... [2021-11-07 00:53:12,883 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:53:12,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 00:53:12,905 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 00:53:12,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 00:53:12,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 00:53:12,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:53:12,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:53:12,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:53:12,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 00:53:12,977 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:53:12,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:53:12,978 INFO L168 Benchmark]: Toolchain (without parser) took 11592.42 ms. Allocated memory was 60.8 MB in the beginning and 96.5 MB in the end (delta: 35.7 MB). Free memory was 39.5 MB in the beginning and 33.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:12,979 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:12,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.57 ms. Allocated memory is still 60.8 MB. Free memory was 39.2 MB in the beginning and 28.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:12,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.10 ms. Allocated memory is still 60.8 MB. Free memory was 28.4 MB in the beginning and 42.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:12,980 INFO L168 Benchmark]: Boogie Preprocessor took 74.94 ms. Allocated memory is still 60.8 MB. Free memory was 42.8 MB in the beginning and 40.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:12,980 INFO L168 Benchmark]: RCFGBuilder took 2509.02 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 40.4 MB in the beginning and 50.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:12,981 INFO L168 Benchmark]: TraceAbstraction took 8119.28 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 50.4 MB in the beginning and 39.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:12,981 INFO L168 Benchmark]: Witness Printer took 98.98 ms. Allocated memory is still 96.5 MB. Free memory was 39.9 MB in the beginning and 33.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:12,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 688.57 ms. Allocated memory is still 60.8 MB. Free memory was 39.2 MB in the beginning and 28.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.10 ms. Allocated memory is still 60.8 MB. Free memory was 28.4 MB in the beginning and 42.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.94 ms. Allocated memory is still 60.8 MB. Free memory was 42.8 MB in the beginning and 40.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2509.02 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 40.4 MB in the beginning and 50.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8119.28 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 50.4 MB in the beginning and 39.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * Witness Printer took 98.98 ms. Allocated memory is still 96.5 MB. Free memory was 39.9 MB in the beginning and 33.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 683 SDslu, 591 SDs, 0 SdLazy, 126 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 752 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1615 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 00:53:13,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cb57f7-a6a1-488c-aa39-42a8c3fc59d1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE