./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE --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 a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE --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 a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:15:24,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:15:24,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:15:24,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:15:24,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:15:24,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:15:24,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:15:24,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:15:24,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:15:24,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:15:24,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:15:24,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:15:24,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:15:24,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:15:24,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:15:24,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:15:24,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:15:24,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:15:24,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:15:24,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:15:24,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:15:24,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:15:24,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:15:24,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:15:24,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:15:24,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:15:24,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:15:24,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:15:24,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:15:24,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:15:24,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:15:24,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:15:24,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:15:24,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:15:24,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:15:24,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:15:24,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:15:24,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:15:24,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:15:24,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:15:24,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:15:24,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:15:24,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:15:24,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:15:24,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:15:24,632 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:15:24,632 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:15:24,632 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:15:24,632 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:15:24,632 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:15:24,632 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:15:24,633 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:15:24,633 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:15:24,633 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:15:24,633 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:15:24,633 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:15:24,634 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:15:24,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:15:24,635 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:15:24,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:15:24,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:15:24,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:15:24,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:15:24,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:15:24,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:15:24,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:15:24,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:15:24,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:15:24,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:15:24,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:15:24,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:15:24,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:15:24,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:15:24,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:15:24,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:15:24,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:15:24,638 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:15:24,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:15:24,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:15:24,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:15:24,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:15:24,648 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_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2021-10-24 11:15:24,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:15:25,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:15:25,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:15:25,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:15:25,028 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:15:25,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-24 11:15:25,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data/22b673bcb/ed4a804733c5438aa56f177f6a483996/FLAG0b7980bdb [2021-10-24 11:15:25,786 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:15:25,787 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-24 11:15:25,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data/22b673bcb/ed4a804733c5438aa56f177f6a483996/FLAG0b7980bdb [2021-10-24 11:15:26,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data/22b673bcb/ed4a804733c5438aa56f177f6a483996 [2021-10-24 11:15:26,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:15:26,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:15:26,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:26,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:15:26,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:15:26,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:26" (1/1) ... [2021-10-24 11:15:26,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec8efdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:26, skipping insertion in model container [2021-10-24 11:15:26,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:26" (1/1) ... [2021-10-24 11:15:26,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:15:26,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:15:26,396 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_44f5c44a-d696-46b1-ad39-d29295be1cd9/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-10-24 11:15:26,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:15:26,526 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 11:15:26,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30b227a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:26, skipping insertion in model container [2021-10-24 11:15:26,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:26,527 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:15:26,529 INFO L168 Benchmark]: Toolchain (without parser) took 458.22 ms. Allocated memory was 79.7 MB in the beginning and 109.1 MB in the end (delta: 29.4 MB). Free memory was 36.5 MB in the beginning and 76.0 MB in the end (delta: -39.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:26,530 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:15:26,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.90 ms. Allocated memory was 79.7 MB in the beginning and 109.1 MB in the end (delta: 29.4 MB). Free memory was 36.4 MB in the beginning and 76.0 MB in the end (delta: -39.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:26,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 449.90 ms. Allocated memory was 79.7 MB in the beginning and 109.1 MB in the end (delta: 29.4 MB). Free memory was 36.4 MB in the beginning and 76.0 MB in the end (delta: -39.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 535]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:15:29,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:15:29,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:15:29,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:15:29,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:15:29,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:15:29,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:15:29,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:15:29,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:15:29,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:15:29,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:15:29,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:15:29,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:15:29,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:15:29,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:15:29,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:15:29,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:15:29,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:15:29,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:15:29,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:15:29,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:15:29,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:15:29,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:15:29,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:15:29,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:15:29,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:15:29,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:15:29,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:15:29,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:15:29,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:15:29,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:15:29,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:15:29,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:15:29,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:15:29,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:15:29,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:15:29,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:15:29,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:15:29,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:15:29,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:15:29,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:15:29,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:15:29,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:15:29,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:15:29,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:15:29,374 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:15:29,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:15:29,375 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:15:29,375 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:15:29,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:15:29,376 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:15:29,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:15:29,379 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:15:29,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:15:29,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:15:29,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:15:29,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:15:29,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:15:29,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:15:29,381 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:15:29,381 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:15:29,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:15:29,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:15:29,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:15:29,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:15:29,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:15:29,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:15:29,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:15:29,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:15:29,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:15:29,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:15:29,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:15:29,384 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:15:29,384 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:15:29,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:15:29,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:15:29,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:15:29,386 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_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2021-10-24 11:15:29,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:15:29,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:15:29,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:15:29,873 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:15:29,874 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:15:29,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-24 11:15:29,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data/4938a9477/1bbf4ae43f614d80a5c5e31d84f4e124/FLAG9177a0b46 [2021-10-24 11:15:30,682 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:15:30,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-24 11:15:30,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data/4938a9477/1bbf4ae43f614d80a5c5e31d84f4e124/FLAG9177a0b46 [2021-10-24 11:15:30,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/data/4938a9477/1bbf4ae43f614d80a5c5e31d84f4e124 [2021-10-24 11:15:30,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:15:30,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:15:30,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:30,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:15:30,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:15:30,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:30" (1/1) ... [2021-10-24 11:15:30,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383cce17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:30, skipping insertion in model container [2021-10-24 11:15:30,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:30" (1/1) ... [2021-10-24 11:15:30,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:15:31,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:15:31,243 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_44f5c44a-d696-46b1-ad39-d29295be1cd9/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-10-24 11:15:31,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:15:31,503 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:15:31,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:15:31,524 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_44f5c44a-d696-46b1-ad39-d29295be1cd9/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-10-24 11:15:31,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:15:31,609 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:15:31,635 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_44f5c44a-d696-46b1-ad39-d29295be1cd9/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-10-24 11:15:31,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:15:31,770 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:15:31,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31 WrapperNode [2021-10-24 11:15:31,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:31,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:15:31,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:15:31,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:15:31,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:15:31,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:15:31,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:15:31,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:15:31,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:15:31,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:15:31,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:15:31,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:15:31,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (1/1) ... [2021-10-24 11:15:31,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:15:31,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:15:31,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:15:31,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:15:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:15:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:15:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:15:32,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:15:34,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:15:34,832 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-24 11:15:34,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:34 BoogieIcfgContainer [2021-10-24 11:15:34,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:15:34,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:15:34,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:15:34,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:15:34,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:15:30" (1/3) ... [2021-10-24 11:15:34,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6410a6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:34, skipping insertion in model container [2021-10-24 11:15:34,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:31" (2/3) ... [2021-10-24 11:15:34,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6410a6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:34, skipping insertion in model container [2021-10-24 11:15:34,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:34" (3/3) ... [2021-10-24 11:15:34,844 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2021-10-24 11:15:34,850 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:15:34,850 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:15:34,917 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:15:34,927 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 [2021-10-24 11:15:34,927 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:15:34,946 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) [2021-10-24 11:15:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:15:34,965 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:34,966 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:34,966 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:34,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:34,973 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-10-24 11:15:34,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:34,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85973237] [2021-10-24 11:15:34,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:34,989 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:34,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:34,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:35,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:15:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:35,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:15:35,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:35,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:35,438 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:35,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85973237] [2021-10-24 11:15:35,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [85973237] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:35,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:35,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:15:35,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128417519] [2021-10-24 11:15:35,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:15:35,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:35,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:15:35,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:15:35,471 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) [2021-10-24 11:15:35,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:35,501 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-24 11:15:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:15:35,503 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 [2021-10-24 11:15:35,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:35,515 INFO L225 Difference]: With dead ends: 148 [2021-10-24 11:15:35,515 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 11:15:35,519 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:15:35,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 11:15:35,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-24 11:15:35,562 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) [2021-10-24 11:15:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-24 11:15:35,565 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-24 11:15:35,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:35,566 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-24 11:15:35,566 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) [2021-10-24 11:15:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-24 11:15:35,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 11:15:35,568 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:35,568 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:35,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:35,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:35,783 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:35,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:35,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-10-24 11:15:35,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:35,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861499976] [2021-10-24 11:15:35,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:35,786 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:35,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:35,787 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:35,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:15:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:35,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:15:35,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:36,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:36,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:36,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861499976] [2021-10-24 11:15:36,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861499976] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:36,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:36,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:15:36,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711277160] [2021-10-24 11:15:36,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:15:36,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:36,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:15:36,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:36,180 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) [2021-10-24 11:15:36,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:36,201 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-24 11:15:36,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:15:36,202 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 [2021-10-24 11:15:36,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:36,203 INFO L225 Difference]: With dead ends: 73 [2021-10-24 11:15:36,204 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 11:15:36,205 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:36,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 11:15:36,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 11:15:36,210 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) [2021-10-24 11:15:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 11:15:36,211 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-24 11:15:36,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:36,212 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 11:15:36,212 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) [2021-10-24 11:15:36,213 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 11:15:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:15:36,214 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:36,214 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:36,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:36,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:36,430 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:36,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:36,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-10-24 11:15:36,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:36,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820474911] [2021-10-24 11:15:36,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:36,433 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:36,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:36,434 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:36,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:15:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:36,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:15:36,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:36,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:36,820 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:36,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820474911] [2021-10-24 11:15:36,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820474911] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:36,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:36,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:15:36,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556959942] [2021-10-24 11:15:36,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:15:36,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:36,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:15:36,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:36,827 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) [2021-10-24 11:15:36,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:36,907 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-10-24 11:15:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:15:36,908 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 [2021-10-24 11:15:36,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:36,910 INFO L225 Difference]: With dead ends: 116 [2021-10-24 11:15:36,910 INFO L226 Difference]: Without dead ends: 87 [2021-10-24 11:15:36,911 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:36,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-24 11:15:36,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-10-24 11:15:36,921 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) [2021-10-24 11:15:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-24 11:15:36,922 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-24 11:15:36,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:36,923 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-24 11:15:36,923 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) [2021-10-24 11:15:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-24 11:15:36,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 11:15:36,924 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:36,925 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:36,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:37,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:37,147 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:37,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:37,147 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-10-24 11:15:37,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:37,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896018104] [2021-10-24 11:15:37,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:37,149 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:37,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:37,150 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:37,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:15:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:37,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:15:37,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:37,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:37,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:37,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896018104] [2021-10-24 11:15:37,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896018104] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:37,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:37,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 11:15:37,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615526085] [2021-10-24 11:15:37,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:15:37,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:37,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:15:37,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:15:37,609 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:15:37,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:37,732 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2021-10-24 11:15:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 11:15:37,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-24 11:15:37,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:37,740 INFO L225 Difference]: With dead ends: 256 [2021-10-24 11:15:37,740 INFO L226 Difference]: Without dead ends: 208 [2021-10-24 11:15:37,741 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 50.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:15:37,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-24 11:15:37,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2021-10-24 11:15:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 95 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:15:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2021-10-24 11:15:37,794 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2021-10-24 11:15:37,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:37,795 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2021-10-24 11:15:37,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:15:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2021-10-24 11:15:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:15:37,798 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:37,798 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:37,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:38,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:38,013 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:38,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:38,014 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2021-10-24 11:15:38,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:38,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579513732] [2021-10-24 11:15:38,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:38,015 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:38,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:38,017 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:38,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:15:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:38,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:15:38,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:38,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:38,464 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:38,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579513732] [2021-10-24 11:15:38,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579513732] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:38,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:38,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:15:38,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134467737] [2021-10-24 11:15:38,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:15:38,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:38,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:15:38,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:15:38,467 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:15:38,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:38,567 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2021-10-24 11:15:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:15:38,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 11:15:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:38,569 INFO L225 Difference]: With dead ends: 286 [2021-10-24 11:15:38,569 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:15:38,577 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:15:38,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:15:38,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:15:38,578 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) [2021-10-24 11:15:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:15:38,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-24 11:15:38,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:38,579 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:15:38,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:15:38,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:15:38,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:15:38,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:15:38,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:15:38,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:15:38,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:38,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:38,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:15:38,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:38,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:38,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:38,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:38,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:38,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:38,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:38,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:38,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:15:39,233 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 452) no Hoare annotation was computed. [2021-10-24 11:15:39,233 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 11:15:39,233 INFO L853 garLoopResultBuilder]: At program point L895(lines 1 932) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,234 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-10-24 11:15:39,234 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:15:39,234 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 383 387) no Hoare annotation was computed. [2021-10-24 11:15:39,234 INFO L857 garLoopResultBuilder]: For program point L383-3(lines 383 387) no Hoare annotation was computed. [2021-10-24 11:15:39,234 INFO L857 garLoopResultBuilder]: For program point L383-5(lines 383 387) no Hoare annotation was computed. [2021-10-24 11:15:39,234 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2021-10-24 11:15:39,234 INFO L857 garLoopResultBuilder]: For program point L383-6(lines 383 387) no Hoare annotation was computed. [2021-10-24 11:15:39,234 INFO L853 garLoopResultBuilder]: At program point L185-1(lines 185 191) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,235 INFO L857 garLoopResultBuilder]: For program point L383-8(lines 383 387) no Hoare annotation was computed. [2021-10-24 11:15:39,235 INFO L853 garLoopResultBuilder]: At program point L334(lines 329 337) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,235 INFO L853 garLoopResultBuilder]: At program point L334-1(lines 329 337) the Hoare annotation is: false [2021-10-24 11:15:39,235 INFO L853 garLoopResultBuilder]: At program point L334-2(lines 329 337) the Hoare annotation is: false [2021-10-24 11:15:39,235 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 293) no Hoare annotation was computed. [2021-10-24 11:15:39,235 INFO L857 garLoopResultBuilder]: For program point L285-1(lines 285 293) no Hoare annotation was computed. [2021-10-24 11:15:39,235 INFO L857 garLoopResultBuilder]: For program point L285-2(lines 285 293) no Hoare annotation was computed. [2021-10-24 11:15:39,235 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-24 11:15:39,236 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-24 11:15:39,236 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-24 11:15:39,236 INFO L853 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: false [2021-10-24 11:15:39,236 INFO L857 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-10-24 11:15:39,236 INFO L853 garLoopResultBuilder]: At program point L122(lines 118 124) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,236 INFO L853 garLoopResultBuilder]: At program point L502(lines 497 505) the Hoare annotation is: false [2021-10-24 11:15:39,236 INFO L853 garLoopResultBuilder]: At program point L502-1(lines 497 505) the Hoare annotation is: false [2021-10-24 11:15:39,236 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 440) no Hoare annotation was computed. [2021-10-24 11:15:39,237 INFO L853 garLoopResultBuilder]: At program point L502-2(lines 497 505) the Hoare annotation is: false [2021-10-24 11:15:39,237 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 220) no Hoare annotation was computed. [2021-10-24 11:15:39,237 INFO L857 garLoopResultBuilder]: For program point L916(lines 916 929) no Hoare annotation was computed. [2021-10-24 11:15:39,237 INFO L853 garLoopResultBuilder]: At program point L916-1(lines 1 932) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,237 INFO L857 garLoopResultBuilder]: For program point L916-2(lines 916 929) no Hoare annotation was computed. [2021-10-24 11:15:39,237 INFO L853 garLoopResultBuilder]: At program point L916-3(lines 1 932) the Hoare annotation is: false [2021-10-24 11:15:39,237 INFO L857 garLoopResultBuilder]: For program point L916-4(lines 916 929) no Hoare annotation was computed. [2021-10-24 11:15:39,237 INFO L853 garLoopResultBuilder]: At program point L916-5(lines 1 932) the Hoare annotation is: false [2021-10-24 11:15:39,238 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:15:39,238 INFO L853 garLoopResultBuilder]: At program point L256(lines 256 262) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,241 INFO L853 garLoopResultBuilder]: At program point L256-1(lines 256 262) the Hoare annotation is: false [2021-10-24 11:15:39,241 INFO L853 garLoopResultBuilder]: At program point L256-2(lines 256 262) the Hoare annotation is: false [2021-10-24 11:15:39,241 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 11:15:39,241 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 249 255) no Hoare annotation was computed. [2021-10-24 11:15:39,241 INFO L853 garLoopResultBuilder]: At program point L389(lines 374 392) the Hoare annotation is: false [2021-10-24 11:15:39,242 INFO L853 garLoopResultBuilder]: At program point L389-1(lines 374 392) the Hoare annotation is: false [2021-10-24 11:15:39,242 INFO L853 garLoopResultBuilder]: At program point L389-2(lines 374 392) the Hoare annotation is: false [2021-10-24 11:15:39,243 INFO L860 garLoopResultBuilder]: At program point L158(lines 139 161) the Hoare annotation is: true [2021-10-24 11:15:39,243 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 11:15:39,244 INFO L853 garLoopResultBuilder]: At program point L225(lines 174 226) the Hoare annotation is: false [2021-10-24 11:15:39,244 INFO L857 garLoopResultBuilder]: For program point L176(lines 175 224) no Hoare annotation was computed. [2021-10-24 11:15:39,244 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-24 11:15:39,244 INFO L853 garLoopResultBuilder]: At program point L903(lines 898 906) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,246 INFO L857 garLoopResultBuilder]: For program point L424-3(lines 424 428) no Hoare annotation was computed. [2021-10-24 11:15:39,248 INFO L857 garLoopResultBuilder]: For program point L424-6(lines 424 428) no Hoare annotation was computed. [2021-10-24 11:15:39,248 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:15:39,249 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-10-24 11:15:39,249 INFO L857 garLoopResultBuilder]: For program point L920-2(lines 920 926) no Hoare annotation was computed. [2021-10-24 11:15:39,254 INFO L857 garLoopResultBuilder]: For program point L920-4(lines 920 926) no Hoare annotation was computed. [2021-10-24 11:15:39,254 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 181) no Hoare annotation was computed. [2021-10-24 11:15:39,254 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2021-10-24 11:15:39,254 INFO L853 garLoopResultBuilder]: At program point L195-1(lines 195 201) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,255 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2021-10-24 11:15:39,255 INFO L853 garLoopResultBuilder]: At program point L213-1(lines 249 255) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,255 INFO L853 garLoopResultBuilder]: At program point L461(lines 456 464) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,255 INFO L853 garLoopResultBuilder]: At program point L461-1(lines 456 464) the Hoare annotation is: false [2021-10-24 11:15:39,255 INFO L853 garLoopResultBuilder]: At program point L461-2(lines 456 464) the Hoare annotation is: false [2021-10-24 11:15:39,256 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:15:39,256 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 11:15:39,256 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 298) no Hoare annotation was computed. [2021-10-24 11:15:39,256 INFO L857 garLoopResultBuilder]: For program point L281-1(lines 281 298) no Hoare annotation was computed. [2021-10-24 11:15:39,256 INFO L857 garLoopResultBuilder]: For program point L281-2(lines 281 298) no Hoare annotation was computed. [2021-10-24 11:15:39,256 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 156) no Hoare annotation was computed. [2021-10-24 11:15:39,257 INFO L860 garLoopResultBuilder]: At program point L149-1(lines 149 156) the Hoare annotation is: true [2021-10-24 11:15:39,257 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2021-10-24 11:15:39,257 INFO L853 garLoopResultBuilder]: At program point L397-1(lines 397 403) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,257 INFO L853 garLoopResultBuilder]: At program point L249(lines 248 267) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:15:39,257 INFO L857 garLoopResultBuilder]: For program point L249-1(lines 249 255) no Hoare annotation was computed. [2021-10-24 11:15:39,258 INFO L853 garLoopResultBuilder]: At program point L249-2(lines 248 267) the Hoare annotation is: false [2021-10-24 11:15:39,258 INFO L853 garLoopResultBuilder]: At program point L249-3(lines 248 267) the Hoare annotation is: false [2021-10-24 11:15:39,262 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:15:39,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:15:39 BoogieIcfgContainer [2021-10-24 11:15:39,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:15:39,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:15:39,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:15:39,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:15:39,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:34" (3/4) ... [2021-10-24 11:15:39,284 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:15:39,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:15:39,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:15:39,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:15:39,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:15:39,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:15:39,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:15:39,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:15:39,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 11:15:39,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:15:39,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:15:39,395 INFO L168 Benchmark]: Toolchain (without parser) took 8411.84 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 29.4 MB in the beginning and 42.8 MB in the end (delta: -13.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:39,395 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 34.3 MB in the beginning and 34.2 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:15:39,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.39 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 29.3 MB in the beginning and 38.2 MB in the end (delta: -8.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:39,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.35 ms. Allocated memory is still 69.2 MB. Free memory was 38.2 MB in the beginning and 50.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:39,397 INFO L168 Benchmark]: Boogie Preprocessor took 50.01 ms. Allocated memory is still 69.2 MB. Free memory was 50.9 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:39,397 INFO L168 Benchmark]: RCFGBuilder took 2924.05 ms. Allocated memory is still 69.2 MB. Free memory was 48.8 MB in the beginning and 41.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:39,398 INFO L168 Benchmark]: TraceAbstraction took 4440.90 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 40.4 MB in the beginning and 49.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:39,398 INFO L168 Benchmark]: Witness Printer took 114.97 ms. Allocated memory is still 83.9 MB. Free memory was 49.1 MB in the beginning and 42.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:39,400 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 34.3 MB in the beginning and 34.2 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 787.39 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 29.3 MB in the beginning and 38.2 MB in the end (delta: -8.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.35 ms. Allocated memory is still 69.2 MB. Free memory was 38.2 MB in the beginning and 50.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.01 ms. Allocated memory is still 69.2 MB. Free memory was 50.9 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2924.05 ms. Allocated memory is still 69.2 MB. Free memory was 48.8 MB in the beginning and 41.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4440.90 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 40.4 MB in the beginning and 49.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * Witness Printer took 114.97 ms. Allocated memory is still 83.9 MB. Free memory was 49.1 MB in the beginning and 42.8 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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: 4347.1ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 30.1ms, AutomataDifference: 425.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 437.5ms, InitialAbstractionConstructionTime: 13.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 333 SDtfs, 448 SDslu, 368 SDs, 0 SdLazy, 48 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 113.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 107.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 100.2ms AutomataMinimizationTime, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 333.9ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 93.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 118.7ms SsaConstructionTime, 640.5ms SatisfiabilityAnalysisTime, 1030.8ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 11:15:39,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f5c44a-d696-46b1-ad39-d29295be1cd9/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...