./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8 --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 f7c7db9989bf214b2258caa5c05380b7759170fd ............................................................................................................................................ 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_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8 --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 f7c7db9989bf214b2258caa5c05380b7759170fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:08:37,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:08:37,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:08:37,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:08:37,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:08:37,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:08:37,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:08:37,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:08:37,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:08:37,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:08:37,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:08:37,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:08:37,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:08:37,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:08:37,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:08:37,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:08:37,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:08:37,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:08:37,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:08:37,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:08:37,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:08:37,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:08:37,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:08:37,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:08:37,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:08:37,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:08:37,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:08:37,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:08:37,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:08:37,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:08:37,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:08:37,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:08:37,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:08:37,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:08:37,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:08:37,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:08:37,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:08:37,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:08:37,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:08:37,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:08:37,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:08:37,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:08:37,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:08:37,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:08:37,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:08:37,584 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:08:37,584 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:08:37,584 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:08:37,585 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:08:37,585 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:08:37,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:08:37,590 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:08:37,591 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:08:37,592 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:08:37,592 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:08:37,593 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:08:37,593 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:08:37,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:08:37,595 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:08:37,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:08:37,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:08:37,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:08:37,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:08:37,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:08:37,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:08:37,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:08:37,597 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:08:37,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:08:37,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:08:37,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:08:37,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:08:37,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:08:37,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:08:37,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:08:37,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:08:37,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:08:37,603 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:08:37,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:08:37,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:08:37,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:08:37,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:08:37,604 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_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c7db9989bf214b2258caa5c05380b7759170fd [2021-10-13 08:08:37,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:08:37,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:08:37,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:08:37,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:08:37,960 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:08:37,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-13 08:08:38,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data/8c3d74e5f/cf84716bddad41ebba018587ebb453db/FLAG080565b51 [2021-10-13 08:08:38,620 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:08:38,620 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-13 08:08:38,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data/8c3d74e5f/cf84716bddad41ebba018587ebb453db/FLAG080565b51 [2021-10-13 08:08:38,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data/8c3d74e5f/cf84716bddad41ebba018587ebb453db [2021-10-13 08:08:38,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:08:38,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:08:38,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:08:38,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:08:38,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:08:38,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:38" (1/1) ... [2021-10-13 08:08:38,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17119a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:38, skipping insertion in model container [2021-10-13 08:08:38,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:38" (1/1) ... [2021-10-13 08:08:38,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:08:39,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:08:39,326 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_f039a3fb-4815-4fab-9113-3264f6f11e7b/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14336,14349] [2021-10-13 08:08:39,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:08:39,365 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) [2021-10-13 08:08:39,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3dfa221b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:39, skipping insertion in model container [2021-10-13 08:08:39,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:08:39,367 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:08:39,373 INFO L168 Benchmark]: Toolchain (without parser) took 430.97 ms. Allocated memory is still 121.6 MB. Free memory was 85.5 MB in the beginning and 93.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:39,375 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 64.9 MB in the beginning and 64.8 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:08:39,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.68 ms. Allocated memory is still 121.6 MB. Free memory was 85.5 MB in the beginning and 93.7 MB in the end (delta: -8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:39,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 64.9 MB in the beginning and 64.8 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 419.68 ms. Allocated memory is still 121.6 MB. Free memory was 85.5 MB in the beginning and 93.7 MB in the end (delta: -8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: 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-4e77c04 [2021-10-13 08:08:42,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:08:42,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:08:42,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:08:42,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:08:42,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:08:42,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:08:42,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:08:42,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:08:42,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:08:42,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:08:42,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:08:42,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:08:42,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:08:42,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:08:42,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:08:42,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:08:42,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:08:42,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:08:42,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:08:42,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:08:42,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:08:42,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:08:42,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:08:42,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:08:42,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:08:42,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:08:42,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:08:42,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:08:42,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:08:42,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:08:42,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:08:42,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:08:42,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:08:42,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:08:42,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:08:42,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:08:42,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:08:42,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:08:42,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:08:42,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:08:42,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:08:42,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:08:42,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:08:42,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:08:42,258 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:08:42,258 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:08:42,259 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:08:42,259 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:08:42,259 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:08:42,259 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:08:42,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:08:42,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:08:42,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:08:42,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:08:42,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:08:42,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:08:42,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:08:42,263 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:08:42,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:08:42,264 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:08:42,264 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:08:42,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:08:42,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:08:42,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:08:42,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:08:42,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:08:42,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:08:42,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:08:42,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:08:42,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:08:42,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:08:42,267 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:08:42,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:08:42,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:08:42,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:08:42,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:08:42,268 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_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c7db9989bf214b2258caa5c05380b7759170fd [2021-10-13 08:08:42,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:08:42,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:08:42,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:08:42,749 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:08:42,750 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:08:42,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-13 08:08:42,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data/8b405d1dd/a5e3f78f01cd40b48a792521c07ec33e/FLAG4d5963acf [2021-10-13 08:08:43,599 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:08:43,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-13 08:08:43,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data/8b405d1dd/a5e3f78f01cd40b48a792521c07ec33e/FLAG4d5963acf [2021-10-13 08:08:43,841 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/data/8b405d1dd/a5e3f78f01cd40b48a792521c07ec33e [2021-10-13 08:08:43,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:08:43,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:08:43,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:08:43,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:08:43,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:08:43,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:43" (1/1) ... [2021-10-13 08:08:43,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34833757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:43, skipping insertion in model container [2021-10-13 08:08:43,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:43" (1/1) ... [2021-10-13 08:08:43,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:08:43,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:08:44,238 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_f039a3fb-4815-4fab-9113-3264f6f11e7b/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14336,14349] [2021-10-13 08:08:44,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:08:44,314 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 08:08:44,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:08:44,418 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_f039a3fb-4815-4fab-9113-3264f6f11e7b/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14336,14349] [2021-10-13 08:08:44,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:08:44,458 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:08:44,533 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_f039a3fb-4815-4fab-9113-3264f6f11e7b/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14336,14349] [2021-10-13 08:08:44,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:08:44,573 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:08:44,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44 WrapperNode [2021-10-13 08:08:44,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:08:44,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:08:44,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:08:44,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:08:44,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:08:44,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:08:44,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:08:44,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:08:44,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:08:44,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:08:44,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:08:44,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:08:44,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (1/1) ... [2021-10-13 08:08:44,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:08:44,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:08:44,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:08:44,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:08:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:08:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:08:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:08:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:08:47,566 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:08:47,567 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-13 08:08:47,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:08:47 BoogieIcfgContainer [2021-10-13 08:08:47,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:08:47,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:08:47,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:08:47,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:08:47,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:08:43" (1/3) ... [2021-10-13 08:08:47,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3100fb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:08:47, skipping insertion in model container [2021-10-13 08:08:47,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:44" (2/3) ... [2021-10-13 08:08:47,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3100fb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:08:47, skipping insertion in model container [2021-10-13 08:08:47,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:08:47" (3/3) ... [2021-10-13 08:08:47,579 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2021-10-13 08:08:47,586 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:08:47,586 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 08:08:47,640 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:08:47,648 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, mConcurrency=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 [2021-10-13 08:08:47,648 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 08:08:47,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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) [2021-10-13 08:08:47,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 08:08:47,674 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:47,674 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:47,675 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:08:47,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:47,681 INFO L82 PathProgramCache]: Analyzing trace with hash 631358255, now seen corresponding path program 1 times [2021-10-13 08:08:47,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:08:47,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190786738] [2021-10-13 08:08:47,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:47,698 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:08:47,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:08:47,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:08:47,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:08:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:47,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 08:08:47,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:08:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:48,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:08:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:48,149 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:08:48,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190786738] [2021-10-13 08:08:48,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190786738] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:48,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:48,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 08:08:48,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652016566] [2021-10-13 08:08:48,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 08:08:48,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:08:48,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 08:08:48,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:08:48,179 INFO L87 Difference]: Start difference. First operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-13 08:08:48,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:48,227 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2021-10-13 08:08:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 08:08:48,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-13 08:08:48,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:48,243 INFO L225 Difference]: With dead ends: 211 [2021-10-13 08:08:48,244 INFO L226 Difference]: Without dead ends: 105 [2021-10-13 08:08:48,247 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:08:48,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-13 08:08:48,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-13 08:08:48,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 104 states have internal predecessors, (151), 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) [2021-10-13 08:08:48,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2021-10-13 08:08:48,291 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2021-10-13 08:08:48,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:48,291 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2021-10-13 08:08:48,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-13 08:08:48,292 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2021-10-13 08:08:48,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 08:08:48,294 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:48,294 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:48,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:08:48,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:08:48,508 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:08:48,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:48,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1546440637, now seen corresponding path program 1 times [2021-10-13 08:08:48,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:08:48,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179281608] [2021-10-13 08:08:48,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:48,510 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:08:48,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:08:48,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:08:48,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 08:08:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:48,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:08:48,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:08:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:48,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:08:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:48,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:08:48,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179281608] [2021-10-13 08:08:48,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179281608] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:48,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:48,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:08:48,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124462331] [2021-10-13 08:08:48,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:08:48,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:08:48,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:08:48,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:08:48,933 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-13 08:08:48,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:48,964 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2021-10-13 08:08:48,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:08:48,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-10-13 08:08:48,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:48,970 INFO L225 Difference]: With dead ends: 105 [2021-10-13 08:08:48,971 INFO L226 Difference]: Without dead ends: 45 [2021-10-13 08:08:48,972 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:08:48,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-13 08:08:48,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-13 08:08:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 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) [2021-10-13 08:08:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-13 08:08:48,983 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-10-13 08:08:48,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:48,983 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-13 08:08:48,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-13 08:08:48,984 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-13 08:08:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 08:08:48,985 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:48,985 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] [2021-10-13 08:08:49,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 08:08:49,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:08:49,203 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:08:49,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:49,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2021-10-13 08:08:49,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:08:49,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484577952] [2021-10-13 08:08:49,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:49,220 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:08:49,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:08:49,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:08:49,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 08:08:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:49,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:08:49,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:08:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:49,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:08:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:49,754 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:08:49,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484577952] [2021-10-13 08:08:49,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484577952] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:49,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:49,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 08:08:49,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193786360] [2021-10-13 08:08:49,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:08:49,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:08:49,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:08:49,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:08:49,762 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-13 08:08:49,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:49,788 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2021-10-13 08:08:49,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:08:49,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 [2021-10-13 08:08:49,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:49,793 INFO L225 Difference]: With dead ends: 83 [2021-10-13 08:08:49,793 INFO L226 Difference]: Without dead ends: 45 [2021-10-13 08:08:49,794 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:08:49,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-13 08:08:49,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-13 08:08:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 44 states have internal predecessors, (63), 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) [2021-10-13 08:08:49,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-10-13 08:08:49,801 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-10-13 08:08:49,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:49,801 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-10-13 08:08:49,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-13 08:08:49,802 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-10-13 08:08:49,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 08:08:49,803 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:49,803 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, 1, 1] [2021-10-13 08:08:49,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 08:08:50,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:08:50,027 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:08:50,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:50,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2021-10-13 08:08:50,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:08:50,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479290754] [2021-10-13 08:08:50,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:50,029 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:08:50,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:08:50,031 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:08:50,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 08:08:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:50,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:08:50,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:08:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:50,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:08:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:50,522 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:08:50,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479290754] [2021-10-13 08:08:50,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479290754] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:50,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:50,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 08:08:50,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952106111] [2021-10-13 08:08:50,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 08:08:50,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:08:50,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 08:08:50,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:08:50,524 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:08:50,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:50,649 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2021-10-13 08:08:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 08:08:50,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 08:08:50,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:50,651 INFO L225 Difference]: With dead ends: 207 [2021-10-13 08:08:50,651 INFO L226 Difference]: Without dead ends: 169 [2021-10-13 08:08:50,652 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 76.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 08:08:50,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-10-13 08:08:50,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2021-10-13 08:08:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 77 states have internal predecessors, (111), 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) [2021-10-13 08:08:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2021-10-13 08:08:50,682 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2021-10-13 08:08:50,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:50,683 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2021-10-13 08:08:50,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:08:50,683 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-10-13 08:08:50,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 08:08:50,684 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:50,684 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, 1, 1, 1] [2021-10-13 08:08:50,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 08:08:50,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:08:50,885 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:08:50,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:50,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2021-10-13 08:08:50,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:08:50,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880870212] [2021-10-13 08:08:50,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:50,887 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:08:50,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:08:50,888 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:08:50,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 08:08:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:51,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:08:51,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:08:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:51,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:08:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:51,294 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:08:51,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880870212] [2021-10-13 08:08:51,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880870212] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:51,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:51,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 08:08:51,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246012938] [2021-10-13 08:08:51,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 08:08:51,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:08:51,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 08:08:51,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:08:51,298 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-10-13 08:08:51,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:51,402 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2021-10-13 08:08:51,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 08:08:51,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 27 [2021-10-13 08:08:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:51,403 INFO L225 Difference]: With dead ends: 176 [2021-10-13 08:08:51,404 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 08:08:51,408 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 08:08:51,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 08:08:51,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 08:08:51,408 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) [2021-10-13 08:08:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 08:08:51,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-13 08:08:51,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:51,409 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 08:08:51,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-10-13 08:08:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 08:08:51,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 08:08:51,413 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:08:51,414 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:08:51,414 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:08:51,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 08:08:51,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:08:51,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 08:08:51,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:08:51,975 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,975 INFO L857 garLoopResultBuilder]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,976 INFO L857 garLoopResultBuilder]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,976 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 652) no Hoare annotation was computed. [2021-10-13 08:08:51,976 INFO L857 garLoopResultBuilder]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,976 INFO L857 garLoopResultBuilder]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,976 INFO L857 garLoopResultBuilder]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,976 INFO L857 garLoopResultBuilder]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,977 INFO L857 garLoopResultBuilder]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,977 INFO L857 garLoopResultBuilder]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,977 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 442) no Hoare annotation was computed. [2021-10-13 08:08:51,977 INFO L857 garLoopResultBuilder]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,977 INFO L857 garLoopResultBuilder]: For program point L432-2(lines 432 442) no Hoare annotation was computed. [2021-10-13 08:08:51,977 INFO L857 garLoopResultBuilder]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,977 INFO L857 garLoopResultBuilder]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2021-10-13 08:08:51,978 INFO L857 garLoopResultBuilder]: For program point L432-4(lines 432 442) no Hoare annotation was computed. [2021-10-13 08:08:51,978 INFO L853 garLoopResultBuilder]: At program point L928(lines 881 929) the Hoare annotation is: false [2021-10-13 08:08:51,979 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 771) no Hoare annotation was computed. [2021-10-13 08:08:51,979 INFO L857 garLoopResultBuilder]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2021-10-13 08:08:51,979 INFO L857 garLoopResultBuilder]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2021-10-13 08:08:51,979 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-10-13 08:08:51,979 INFO L857 garLoopResultBuilder]: For program point L565-3(lines 565 569) no Hoare annotation was computed. [2021-10-13 08:08:51,979 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-13 08:08:51,980 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 439) no Hoare annotation was computed. [2021-10-13 08:08:51,980 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 701 707) no Hoare annotation was computed. [2021-10-13 08:08:51,980 INFO L857 garLoopResultBuilder]: For program point L433-2(lines 433 439) no Hoare annotation was computed. [2021-10-13 08:08:51,980 INFO L857 garLoopResultBuilder]: For program point L565-6(lines 565 569) no Hoare annotation was computed. [2021-10-13 08:08:51,980 INFO L857 garLoopResultBuilder]: For program point L433-4(lines 433 439) no Hoare annotation was computed. [2021-10-13 08:08:51,980 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 750) no Hoare annotation was computed. [2021-10-13 08:08:51,980 INFO L857 garLoopResultBuilder]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2021-10-13 08:08:51,980 INFO L857 garLoopResultBuilder]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2021-10-13 08:08:51,981 INFO L857 garLoopResultBuilder]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2021-10-13 08:08:51,982 INFO L857 garLoopResultBuilder]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2021-10-13 08:08:51,982 INFO L857 garLoopResultBuilder]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2021-10-13 08:08:51,983 INFO L853 garLoopResultBuilder]: At program point L701(lines 700 719) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:51,983 INFO L857 garLoopResultBuilder]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2021-10-13 08:08:51,983 INFO L853 garLoopResultBuilder]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2021-10-13 08:08:51,983 INFO L853 garLoopResultBuilder]: At program point L602(lines 597 605) the Hoare annotation is: false [2021-10-13 08:08:51,983 INFO L853 garLoopResultBuilder]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2021-10-13 08:08:51,985 INFO L853 garLoopResultBuilder]: At program point L602-1(lines 597 605) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:51,985 INFO L853 garLoopResultBuilder]: At program point L602-2(lines 597 605) the Hoare annotation is: false [2021-10-13 08:08:51,985 INFO L853 garLoopResultBuilder]: At program point L602-3(lines 597 605) the Hoare annotation is: false [2021-10-13 08:08:51,988 INFO L853 garLoopResultBuilder]: At program point L602-4(lines 597 605) the Hoare annotation is: false [2021-10-13 08:08:51,990 INFO L853 garLoopResultBuilder]: At program point L602-5(lines 597 605) the Hoare annotation is: false [2021-10-13 08:08:51,990 INFO L853 garLoopResultBuilder]: At program point L867(lines 852 870) the Hoare annotation is: false [2021-10-13 08:08:51,991 INFO L853 garLoopResultBuilder]: At program point L867-1(lines 852 870) the Hoare annotation is: false [2021-10-13 08:08:51,991 INFO L853 garLoopResultBuilder]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2021-10-13 08:08:51,991 INFO L853 garLoopResultBuilder]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2021-10-13 08:08:51,991 INFO L853 garLoopResultBuilder]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2021-10-13 08:08:51,991 INFO L853 garLoopResultBuilder]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2021-10-13 08:08:51,992 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 652) no Hoare annotation was computed. [2021-10-13 08:08:51,992 INFO L857 garLoopResultBuilder]: For program point L902(lines 902 908) no Hoare annotation was computed. [2021-10-13 08:08:51,992 INFO L853 garLoopResultBuilder]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:51,993 INFO L853 garLoopResultBuilder]: At program point L803(lines 796 806) the Hoare annotation is: false [2021-10-13 08:08:51,993 INFO L853 garLoopResultBuilder]: At program point L803-1(lines 796 806) the Hoare annotation is: false [2021-10-13 08:08:51,993 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 745) no Hoare annotation was computed. [2021-10-13 08:08:51,993 INFO L853 garLoopResultBuilder]: At program point L803-2(lines 796 806) the Hoare annotation is: false [2021-10-13 08:08:51,994 INFO L857 garLoopResultBuilder]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2021-10-13 08:08:51,994 INFO L857 garLoopResultBuilder]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2021-10-13 08:08:51,994 INFO L857 garLoopResultBuilder]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2021-10-13 08:08:51,994 INFO L857 garLoopResultBuilder]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2021-10-13 08:08:51,999 INFO L857 garLoopResultBuilder]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2021-10-13 08:08:52,000 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 548) no Hoare annotation was computed. [2021-10-13 08:08:52,000 INFO L860 garLoopResultBuilder]: At program point L541-1(lines 541 548) the Hoare annotation is: true [2021-10-13 08:08:52,000 INFO L853 garLoopResultBuilder]: At program point L708(lines 708 714) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:52,000 INFO L853 garLoopResultBuilder]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2021-10-13 08:08:52,000 INFO L853 garLoopResultBuilder]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2021-10-13 08:08:52,001 INFO L853 garLoopResultBuilder]: At program point L643(lines 638 646) the Hoare annotation is: false [2021-10-13 08:08:52,001 INFO L853 garLoopResultBuilder]: At program point L643-1(lines 638 646) the Hoare annotation is: false [2021-10-13 08:08:52,001 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2021-10-13 08:08:52,002 INFO L853 garLoopResultBuilder]: At program point L643-2(lines 638 646) the Hoare annotation is: false [2021-10-13 08:08:52,002 INFO L853 garLoopResultBuilder]: At program point L643-3(lines 638 646) the Hoare annotation is: false [2021-10-13 08:08:52,002 INFO L853 garLoopResultBuilder]: At program point L643-4(lines 638 646) the Hoare annotation is: false [2021-10-13 08:08:52,002 INFO L853 garLoopResultBuilder]: At program point L643-5(lines 638 646) the Hoare annotation is: false [2021-10-13 08:08:52,003 INFO L853 garLoopResultBuilder]: At program point L513(lines 509 515) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:52,003 INFO L853 garLoopResultBuilder]: At program point L679(lines 1 935) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:52,003 INFO L853 garLoopResultBuilder]: At program point L812(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:52,003 INFO L853 garLoopResultBuilder]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2021-10-13 08:08:52,003 INFO L853 garLoopResultBuilder]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2021-10-13 08:08:52,003 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 08:08:52,004 INFO L857 garLoopResultBuilder]: For program point L912(lines 912 923) no Hoare annotation was computed. [2021-10-13 08:08:52,004 INFO L853 garLoopResultBuilder]: At program point L417(lines 412 419) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:52,004 INFO L860 garLoopResultBuilder]: At program point L550(lines 531 553) the Hoare annotation is: true [2021-10-13 08:08:52,004 INFO L857 garLoopResultBuilder]: For program point L883(lines 882 927) no Hoare annotation was computed. [2021-10-13 08:08:52,004 INFO L857 garLoopResultBuilder]: For program point L652(line 652) no Hoare annotation was computed. [2021-10-13 08:08:52,004 INFO L857 garLoopResultBuilder]: For program point L652-1(line 652) no Hoare annotation was computed. [2021-10-13 08:08:52,004 INFO L857 garLoopResultBuilder]: For program point L652-2(line 652) no Hoare annotation was computed. [2021-10-13 08:08:52,004 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 08:08:52,005 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2021-10-13 08:08:52,005 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-10-13 08:08:52,005 INFO L857 garLoopResultBuilder]: For program point L918-2(lines 701 707) no Hoare annotation was computed. [2021-10-13 08:08:52,005 INFO L853 garLoopResultBuilder]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:52,005 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 593) no Hoare annotation was computed. [2021-10-13 08:08:52,005 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 08:08:52,005 INFO L857 garLoopResultBuilder]: For program point L428(lines 428 445) no Hoare annotation was computed. [2021-10-13 08:08:52,005 INFO L853 garLoopResultBuilder]: At program point L428-1(lines 1 935) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:52,006 INFO L857 garLoopResultBuilder]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2021-10-13 08:08:52,006 INFO L853 garLoopResultBuilder]: At program point L428-3(lines 1 935) the Hoare annotation is: false [2021-10-13 08:08:52,006 INFO L857 garLoopResultBuilder]: For program point L428-4(lines 428 445) no Hoare annotation was computed. [2021-10-13 08:08:52,006 INFO L853 garLoopResultBuilder]: At program point L428-5(lines 1 935) the Hoare annotation is: false [2021-10-13 08:08:52,006 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 08:08:52,006 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 652) no Hoare annotation was computed. [2021-10-13 08:08:52,006 INFO L857 garLoopResultBuilder]: For program point L759(lines 759 776) no Hoare annotation was computed. [2021-10-13 08:08:52,006 INFO L857 garLoopResultBuilder]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2021-10-13 08:08:52,007 INFO L857 garLoopResultBuilder]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2021-10-13 08:08:52,007 INFO L853 garLoopResultBuilder]: At program point L462-2(lines 462 476) the Hoare annotation is: false [2021-10-13 08:08:52,007 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 898) no Hoare annotation was computed. [2021-10-13 08:08:52,007 INFO L853 garLoopResultBuilder]: At program point L892-1(lines 892 898) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:08:52,007 INFO L857 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2021-10-13 08:08:52,012 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:08:52,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:08:52 BoogieIcfgContainer [2021-10-13 08:08:52,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:08:52,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:08:52,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:08:52,039 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:08:52,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:08:47" (3/4) ... [2021-10-13 08:08:52,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 08:08:52,066 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 08:08:52,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 08:08:52,068 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 08:08:52,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 08:08:52,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 08:08:52,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:08:52,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:08:52,123 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-13 08:08:52,202 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:08:52,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:08:52,204 INFO L168 Benchmark]: Toolchain (without parser) took 8355.11 ms. Allocated memory was 60.8 MB in the beginning and 96.5 MB in the end (delta: 35.7 MB). Free memory was 39.6 MB in the beginning and 69.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:52,204 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:08:52,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.81 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 29.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:52,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.89 ms. Allocated memory is still 60.8 MB. Free memory was 29.0 MB in the beginning and 42.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:52,205 INFO L168 Benchmark]: Boogie Preprocessor took 67.49 ms. Allocated memory is still 60.8 MB. Free memory was 42.5 MB in the beginning and 39.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:52,206 INFO L168 Benchmark]: RCFGBuilder took 2827.70 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 39.9 MB in the beginning and 46.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:52,206 INFO L168 Benchmark]: TraceAbstraction took 4466.62 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.5 MB in the beginning and 37.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:52,207 INFO L168 Benchmark]: Witness Printer took 163.34 ms. Allocated memory is still 96.5 MB. Free memory was 37.3 MB in the beginning and 69.0 MB in the end (delta: -31.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:52,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 721.81 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 29.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.89 ms. Allocated memory is still 60.8 MB. Free memory was 29.0 MB in the beginning and 42.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.49 ms. Allocated memory is still 60.8 MB. Free memory was 42.5 MB in the beginning and 39.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2827.70 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 39.9 MB in the beginning and 46.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4466.62 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.5 MB in the beginning and 37.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * Witness Printer took 163.34 ms. Allocated memory is still 96.5 MB. Free memory was 37.3 MB in the beginning and 69.0 MB in the end (delta: -31.8 MB). Peak memory consumption was 5.6 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: 652]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 652]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 652]: 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, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4373.9ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.2ms, AutomataDifference: 407.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 348.0ms, InitialAbstractionConstructionTime: 13.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 429 SDtfs, 390 SDslu, 369 SDs, 0 SdLazy, 62 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 133.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 76.3ms AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1088 FormulaSimplificationTreeSizeReduction, 242.1ms HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 96.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 143.6ms SsaConstructionTime, 675.3ms SatisfiabilityAnalysisTime, 1125.5ms InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 7 NumberOfNonLiveVariables, 990 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: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 08:08:52,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f039a3fb-4815-4fab-9113-3264f6f11e7b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...