./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG --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 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d ............................................................................................................................................ 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_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG --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 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:03:01,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:03:01,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:03:01,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:03:01,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:03:01,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:03:01,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:03:01,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:03:01,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:03:01,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:03:01,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:03:01,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:03:01,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:03:01,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:03:01,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:03:01,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:03:01,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:03:01,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:03:01,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:03:01,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:03:01,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:03:01,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:03:01,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:03:01,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:03:01,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:03:01,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:03:01,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:03:01,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:03:01,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:03:01,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:03:01,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:03:01,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:03:01,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:03:01,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:03:01,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:03:01,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:03:01,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:03:01,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:03:01,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:03:01,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:03:01,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:03:01,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:03:01,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:03:01,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:03:01,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:03:01,537 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:03:01,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:03:01,538 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:03:01,538 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:03:01,538 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:03:01,538 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:03:01,539 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:03:01,540 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:03:01,540 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:03:01,540 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:03:01,540 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:03:01,540 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:03:01,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:03:01,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:03:01,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:03:01,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:03:01,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:03:01,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:03:01,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:03:01,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:03:01,543 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:03:01,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:03:01,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:03:01,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:03:01,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:03:01,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:03:01,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:03:01,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:03:01,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:03:01,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:03:01,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:03:01,547 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:03:01,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:03:01,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:03:01,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:03:01,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:03:01,548 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_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d [2021-10-29 05:03:01,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:03:01,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:03:01,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:03:01,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:03:01,894 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:03:01,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2021-10-29 05:03:01,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data/6675e4c5d/1591a0727fee4428ae54ae95bbf39461/FLAG4f047b40b [2021-10-29 05:03:02,575 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:03:02,576 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2021-10-29 05:03:02,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data/6675e4c5d/1591a0727fee4428ae54ae95bbf39461/FLAG4f047b40b [2021-10-29 05:03:02,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data/6675e4c5d/1591a0727fee4428ae54ae95bbf39461 [2021-10-29 05:03:02,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:03:02,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:03:02,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:03:02,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:03:02,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:03:02,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:03:02" (1/1) ... [2021-10-29 05:03:02,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b8edaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:02, skipping insertion in model container [2021-10-29 05:03:02,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:03:02" (1/1) ... [2021-10-29 05:03:02,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:03:02,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:03:03,196 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_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2021-10-29 05:03:03,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:03:03,241 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) [2021-10-29 05:03:03,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@547c737b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:03, skipping insertion in model container [2021-10-29 05:03:03,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:03:03,242 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:03:03,245 INFO L168 Benchmark]: Toolchain (without parser) took 379.40 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 52.1 MB in the beginning and 95.5 MB in the end (delta: -43.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:03:03,245 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 69.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:03:03,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.73 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 51.9 MB in the beginning and 95.5 MB in the end (delta: -43.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:03:03,249 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 69.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.73 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 51.9 MB in the beginning and 95.5 MB in the end (delta: -43.6 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: 164]: 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-b2eff8b [2021-10-29 05:03:05,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:03:05,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:03:05,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:03:05,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:03:05,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:03:05,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:03:05,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:03:05,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:03:05,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:03:05,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:03:05,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:03:05,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:03:05,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:03:05,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:03:05,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:03:05,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:03:05,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:03:05,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:03:05,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:03:05,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:03:05,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:03:05,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:03:05,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:03:05,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:03:05,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:03:05,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:03:05,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:03:05,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:03:05,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:03:05,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:03:05,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:03:05,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:03:05,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:03:05,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:03:05,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:03:05,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:03:05,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:03:05,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:03:05,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:03:05,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:03:05,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:03:05,727 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:03:05,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:03:05,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:03:05,729 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:03:05,729 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:03:05,729 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:03:05,729 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:03:05,730 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:03:05,730 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:03:05,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:03:05,731 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:03:05,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:03:05,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:03:05,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:03:05,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:03:05,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:03:05,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:03:05,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:03:05,732 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:03:05,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:03:05,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:03:05,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:03:05,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:03:05,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:03:05,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:03:05,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:03:05,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:03:05,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:03:05,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:03:05,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:03:05,737 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:03:05,737 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:03:05,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:03:05,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:03:05,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:03:05,738 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_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d [2021-10-29 05:03:06,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:03:06,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:03:06,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:03:06,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:03:06,173 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:03:06,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2021-10-29 05:03:06,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data/535fe00f4/7f6fd4a58b374cf5b5ccf667cd3b00c9/FLAG21f243e9f [2021-10-29 05:03:06,918 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:03:06,921 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2021-10-29 05:03:06,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data/535fe00f4/7f6fd4a58b374cf5b5ccf667cd3b00c9/FLAG21f243e9f [2021-10-29 05:03:07,201 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/data/535fe00f4/7f6fd4a58b374cf5b5ccf667cd3b00c9 [2021-10-29 05:03:07,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:03:07,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:03:07,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:03:07,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:03:07,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:03:07,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:07,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4192783b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07, skipping insertion in model container [2021-10-29 05:03:07,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:07,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:03:07,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:03:07,580 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_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2021-10-29 05:03:07,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:03:07,683 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:03:07,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:03:07,734 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_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2021-10-29 05:03:07,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:03:07,757 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:03:07,836 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_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2021-10-29 05:03:07,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:03:07,882 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:03:07,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07 WrapperNode [2021-10-29 05:03:07,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:03:07,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:03:07,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:03:07,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:03:07,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:07,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:07,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:03:07,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:03:07,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:03:07,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:03:07,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:07,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:07,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:07,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:08,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:08,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:08,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:08,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:03:08,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:03:08,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:03:08,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:03:08,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (1/1) ... [2021-10-29 05:03:08,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:03:08,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:03:08,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:03:08,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:03:08,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:03:08,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:03:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:03:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:03:10,248 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:03:10,248 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-29 05:03:10,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:03:10 BoogieIcfgContainer [2021-10-29 05:03:10,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:03:10,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:03:10,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:03:10,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:03:10,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:03:07" (1/3) ... [2021-10-29 05:03:10,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75029d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:03:10, skipping insertion in model container [2021-10-29 05:03:10,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:03:07" (2/3) ... [2021-10-29 05:03:10,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75029d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:03:10, skipping insertion in model container [2021-10-29 05:03:10,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:03:10" (3/3) ... [2021-10-29 05:03:10,260 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2021-10-29 05:03:10,267 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:03:10,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:03:10,328 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:03:10,336 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:03:10,336 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:03:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:03:10,368 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:10,369 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:10,369 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:10,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:10,375 INFO L85 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2021-10-29 05:03:10,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:10,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870417271] [2021-10-29 05:03:10,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:10,392 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:10,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:10,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:10,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:03:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:10,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:03:10,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:10,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:10,726 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:10,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870417271] [2021-10-29 05:03:10,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870417271] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:10,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:10,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:03:10,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323635458] [2021-10-29 05:03:10,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:03:10,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:10,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:03:10,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:03:10,752 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:10,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:10,775 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-10-29 05:03:10,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:03:10,777 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-29 05:03:10,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:10,786 INFO L225 Difference]: With dead ends: 132 [2021-10-29 05:03:10,786 INFO L226 Difference]: Without dead ends: 65 [2021-10-29 05:03:10,789 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:03:10,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-29 05:03:10,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-29 05:03:10,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 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) [2021-10-29 05:03:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-29 05:03:10,826 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-10-29 05:03:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:10,826 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-29 05:03:10,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-10-29 05:03:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 05:03:10,828 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:10,828 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:10,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:11,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:11,039 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:11,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:11,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2021-10-29 05:03:11,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:11,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532667873] [2021-10-29 05:03:11,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:11,044 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:11,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:11,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:11,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:03:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:11,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:03:11,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:11,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:11,403 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:11,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1532667873] [2021-10-29 05:03:11,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1532667873] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:11,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:11,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:03:11,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114110383] [2021-10-29 05:03:11,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:03:11,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:11,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:03:11,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:03:11,407 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:11,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:11,419 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-10-29 05:03:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:03:11,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-29 05:03:11,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:11,421 INFO L225 Difference]: With dead ends: 65 [2021-10-29 05:03:11,421 INFO L226 Difference]: Without dead ends: 31 [2021-10-29 05:03:11,422 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:03:11,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-29 05:03:11,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-29 05:03:11,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:11,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-29 05:03:11,433 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-10-29 05:03:11,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:11,434 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-29 05:03:11,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:11,435 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-29 05:03:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:03:11,436 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:11,439 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:11,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:11,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:11,653 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:11,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:11,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2021-10-29 05:03:11,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:11,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110821882] [2021-10-29 05:03:11,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:11,655 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:11,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:11,656 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:11,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:03:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:11,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:03:11,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:11,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:12,048 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:12,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110821882] [2021-10-29 05:03:12,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110821882] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:12,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:12,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:03:12,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732562934] [2021-10-29 05:03:12,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:03:12,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:12,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:03:12,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:03:12,053 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-29 05:03:12,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:12,071 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-29 05:03:12,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:03:12,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 05:03:12,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:12,075 INFO L225 Difference]: With dead ends: 56 [2021-10-29 05:03:12,075 INFO L226 Difference]: Without dead ends: 31 [2021-10-29 05:03:12,075 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:03:12,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-29 05:03:12,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-29 05:03:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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) [2021-10-29 05:03:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-29 05:03:12,085 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-10-29 05:03:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:12,086 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-29 05:03:12,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-29 05:03:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-10-29 05:03:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 05:03:12,088 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:12,088 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:12,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:12,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:12,304 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:12,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2021-10-29 05:03:12,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:12,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080946414] [2021-10-29 05:03:12,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:12,307 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:12,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:12,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:12,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:03:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:12,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:03:12,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:12,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:12,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:12,732 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:12,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1080946414] [2021-10-29 05:03:12,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1080946414] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:12,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:12,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:03:12,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172976717] [2021-10-29 05:03:12,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:03:12,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:12,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:03:12,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:03:12,735 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:12,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:12,950 INFO L93 Difference]: Finished difference Result 198 states and 296 transitions. [2021-10-29 05:03:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 05:03:12,950 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 05:03:12,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:12,953 INFO L225 Difference]: With dead ends: 198 [2021-10-29 05:03:12,953 INFO L226 Difference]: Without dead ends: 173 [2021-10-29 05:03:12,954 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-29 05:03:12,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-29 05:03:12,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 72. [2021-10-29 05:03:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.408450704225352) internal successors, (100), 71 states have internal predecessors, (100), 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) [2021-10-29 05:03:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2021-10-29 05:03:12,969 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2021-10-29 05:03:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:12,969 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2021-10-29 05:03:12,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-10-29 05:03:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:03:12,971 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:12,971 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:12,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:13,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:13,184 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:13,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:13,184 INFO L85 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2021-10-29 05:03:13,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:13,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529346450] [2021-10-29 05:03:13,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:13,185 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:13,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:13,186 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:13,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:03:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:13,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:03:13,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:13,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:13,565 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:13,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529346450] [2021-10-29 05:03:13,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529346450] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:13,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:13,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:03:13,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661352388] [2021-10-29 05:03:13,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:03:13,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:13,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:03:13,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:03:13,567 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:14,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:14,929 INFO L93 Difference]: Finished difference Result 190 states and 268 transitions. [2021-10-29 05:03:14,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:03:14,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 05:03:14,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:14,931 INFO L225 Difference]: With dead ends: 190 [2021-10-29 05:03:14,931 INFO L226 Difference]: Without dead ends: 124 [2021-10-29 05:03:14,932 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:03:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-29 05:03:14,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2021-10-29 05:03:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 121 states have internal predecessors, (168), 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) [2021-10-29 05:03:14,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2021-10-29 05:03:14,949 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 24 [2021-10-29 05:03:14,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:14,949 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2021-10-29 05:03:14,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2021-10-29 05:03:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 05:03:14,951 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:14,952 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:14,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:15,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:15,164 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:15,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:15,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2017502855, now seen corresponding path program 1 times [2021-10-29 05:03:15,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:15,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082516398] [2021-10-29 05:03:15,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:15,166 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:15,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:15,167 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:15,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:03:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:15,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:03:15,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:15,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:15,584 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:15,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082516398] [2021-10-29 05:03:15,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082516398] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:15,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:15,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:03:15,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957377843] [2021-10-29 05:03:15,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:03:15,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:15,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:03:15,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:03:15,587 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-10-29 05:03:15,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:15,599 INFO L93 Difference]: Finished difference Result 176 states and 245 transitions. [2021-10-29 05:03:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:03:15,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 [2021-10-29 05:03:15,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:15,600 INFO L225 Difference]: With dead ends: 176 [2021-10-29 05:03:15,600 INFO L226 Difference]: Without dead ends: 60 [2021-10-29 05:03:15,601 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:03:15,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-29 05:03:15,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-29 05:03:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 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) [2021-10-29 05:03:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-10-29 05:03:15,609 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 27 [2021-10-29 05:03:15,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:15,610 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-10-29 05:03:15,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-10-29 05:03:15,610 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-10-29 05:03:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 05:03:15,611 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:15,612 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:15,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-29 05:03:15,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:15,824 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:15,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:15,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1260992860, now seen corresponding path program 1 times [2021-10-29 05:03:15,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:15,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168364535] [2021-10-29 05:03:15,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:15,827 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:15,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:15,831 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:15,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:03:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:16,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:03:16,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:16,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:16,366 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:16,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168364535] [2021-10-29 05:03:16,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168364535] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:03:16,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1295069018] [2021-10-29 05:03:16,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:16,367 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:03:16,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:03:16,379 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:03:16,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-29 05:03:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:16,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:03:16,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 05:03:16,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 05:03:16,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1295069018] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:16,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:03:16,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-29 05:03:16,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539318688] [2021-10-29 05:03:16,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:03:16,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:16,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:03:16,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:03:16,847 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:16,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:16,941 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2021-10-29 05:03:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:03:16,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-29 05:03:16,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:16,942 INFO L225 Difference]: With dead ends: 118 [2021-10-29 05:03:16,942 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:03:16,943 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:03:16,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:03:16,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:03:16,943 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) [2021-10-29 05:03:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:03:16,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-29 05:03:16,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:16,944 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:03:16,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:16,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:03:16,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:03:16,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:03:16,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:03:16,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:03:16,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-29 05:03:17,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:17,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:03:17,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:03:17,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:17,705 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2021-10-29 05:03:17,705 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 818) no Hoare annotation was computed. [2021-10-29 05:03:17,706 INFO L853 garLoopResultBuilder]: At program point L812-1(lines 812 818) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:03:17,706 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:03:17,706 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-10-29 05:03:17,706 INFO L853 garLoopResultBuilder]: At program point L879(lines 1 890) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:03:17,706 INFO L857 garLoopResultBuilder]: For program point L681(lines 681 698) no Hoare annotation was computed. [2021-10-29 05:03:17,706 INFO L857 garLoopResultBuilder]: For program point L681-1(lines 681 698) no Hoare annotation was computed. [2021-10-29 05:03:17,706 INFO L857 garLoopResultBuilder]: For program point L681-2(lines 681 698) no Hoare annotation was computed. [2021-10-29 05:03:17,707 INFO L853 garLoopResultBuilder]: At program point L599(lines 595 601) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:03:17,707 INFO L853 garLoopResultBuilder]: At program point L649(lines 648 667) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:03:17,707 INFO L857 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2021-10-29 05:03:17,707 INFO L853 garLoopResultBuilder]: At program point L649-2(lines 648 667) the Hoare annotation is: false [2021-10-29 05:03:17,707 INFO L853 garLoopResultBuilder]: At program point L649-3(lines 648 667) the Hoare annotation is: false [2021-10-29 05:03:17,707 INFO L853 garLoopResultBuilder]: At program point L550-2(lines 550 564) the Hoare annotation is: false [2021-10-29 05:03:17,707 INFO L853 garLoopResultBuilder]: At program point L848(lines 801 849) the Hoare annotation is: false [2021-10-29 05:03:17,708 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-29 05:03:17,708 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 843) no Hoare annotation was computed. [2021-10-29 05:03:17,708 INFO L860 garLoopResultBuilder]: At program point L635(lines 616 638) the Hoare annotation is: true [2021-10-29 05:03:17,708 INFO L853 garLoopResultBuilder]: At program point L751(lines 746 754) 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)) [2021-10-29 05:03:17,708 INFO L853 garLoopResultBuilder]: At program point L751-1(lines 746 754) the Hoare annotation is: false [2021-10-29 05:03:17,708 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 693) no Hoare annotation was computed. [2021-10-29 05:03:17,708 INFO L853 garLoopResultBuilder]: At program point L751-2(lines 746 754) the Hoare annotation is: false [2021-10-29 05:03:17,708 INFO L857 garLoopResultBuilder]: For program point L685-1(lines 685 693) no Hoare annotation was computed. [2021-10-29 05:03:17,709 INFO L857 garLoopResultBuilder]: For program point L685-2(lines 685 693) no Hoare annotation was computed. [2021-10-29 05:03:17,709 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-10-29 05:03:17,709 INFO L857 garLoopResultBuilder]: For program point L520(lines 520 533) no Hoare annotation was computed. [2021-10-29 05:03:17,709 INFO L853 garLoopResultBuilder]: At program point L520-1(lines 1 890) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:03:17,709 INFO L857 garLoopResultBuilder]: For program point L520-2(lines 520 533) no Hoare annotation was computed. [2021-10-29 05:03:17,709 INFO L853 garLoopResultBuilder]: At program point L520-3(lines 1 890) the Hoare annotation is: false [2021-10-29 05:03:17,709 INFO L857 garLoopResultBuilder]: For program point L520-4(lines 520 533) no Hoare annotation was computed. [2021-10-29 05:03:17,709 INFO L853 garLoopResultBuilder]: At program point L520-5(lines 1 890) the Hoare annotation is: false [2021-10-29 05:03:17,710 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:03:17,710 INFO L857 garLoopResultBuilder]: For program point L554(lines 554 558) no Hoare annotation was computed. [2021-10-29 05:03:17,710 INFO L857 garLoopResultBuilder]: For program point L554-1(lines 649 655) no Hoare annotation was computed. [2021-10-29 05:03:17,710 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2021-10-29 05:03:17,710 INFO L857 garLoopResultBuilder]: For program point L803(lines 802 847) no Hoare annotation was computed. [2021-10-29 05:03:17,710 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-29 05:03:17,710 INFO L857 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2021-10-29 05:03:17,710 INFO L857 garLoopResultBuilder]: For program point L506-2(line 506) no Hoare annotation was computed. [2021-10-29 05:03:17,711 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 808) no Hoare annotation was computed. [2021-10-29 05:03:17,711 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:03:17,711 INFO L853 garLoopResultBuilder]: At program point L887(lines 882 890) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:03:17,711 INFO L853 garLoopResultBuilder]: At program point L656(lines 656 662) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:03:17,711 INFO L853 garLoopResultBuilder]: At program point L656-1(lines 656 662) the Hoare annotation is: false [2021-10-29 05:03:17,711 INFO L853 garLoopResultBuilder]: At program point L656-2(lines 656 662) the Hoare annotation is: false [2021-10-29 05:03:17,711 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 530) no Hoare annotation was computed. [2021-10-29 05:03:17,711 INFO L857 garLoopResultBuilder]: For program point L524-2(lines 524 530) no Hoare annotation was computed. [2021-10-29 05:03:17,712 INFO L857 garLoopResultBuilder]: For program point L524-4(lines 524 530) no Hoare annotation was computed. [2021-10-29 05:03:17,712 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2021-10-29 05:03:17,712 INFO L857 garLoopResultBuilder]: For program point L838-2(lines 649 655) no Hoare annotation was computed. [2021-10-29 05:03:17,712 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-10-29 05:03:17,712 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-10-29 05:03:17,712 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-10-29 05:03:17,712 INFO L857 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed. [2021-10-29 05:03:17,712 INFO L853 garLoopResultBuilder]: At program point L822-1(lines 822 828) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:03:17,713 INFO L857 garLoopResultBuilder]: For program point L626(lines 626 633) no Hoare annotation was computed. [2021-10-29 05:03:17,713 INFO L860 garLoopResultBuilder]: At program point L626-1(lines 626 633) the Hoare annotation is: true [2021-10-29 05:03:17,713 INFO L853 garLoopResultBuilder]: At program point L742(lines 735 745) the Hoare annotation is: false [2021-10-29 05:03:17,713 INFO L853 garLoopResultBuilder]: At program point L742-1(lines 735 745) the Hoare annotation is: false [2021-10-29 05:03:17,713 INFO L853 garLoopResultBuilder]: At program point L742-2(lines 735 745) the Hoare annotation is: false [2021-10-29 05:03:17,713 INFO L853 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:03:17,713 INFO L853 garLoopResultBuilder]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2021-10-29 05:03:17,714 INFO L853 garLoopResultBuilder]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2021-10-29 05:03:17,714 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:03:17,714 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2021-10-29 05:03:17,714 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-10-29 05:03:17,714 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: false [2021-10-29 05:03:17,714 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-10-29 05:03:17,719 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:17,720 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:03:17,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:03:17 BoogieIcfgContainer [2021-10-29 05:03:17,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:03:17,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:03:17,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:03:17,736 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:03:17,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:03:10" (3/4) ... [2021-10-29 05:03:17,739 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:03:17,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:03:17,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:03:17,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:03:17,756 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:03:17,756 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:03:17,757 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:03:17,757 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:03:17,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:03:17,812 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:03:17,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:03:17,814 INFO L168 Benchmark]: Toolchain (without parser) took 10603.73 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 25.4 MB in the beginning and 31.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:03:17,814 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:03:17,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.35 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.2 MB in the beginning and 31.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:03:17,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.08 ms. Allocated memory is still 60.8 MB. Free memory was 30.8 MB in the beginning and 42.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:03:17,815 INFO L168 Benchmark]: Boogie Preprocessor took 36.61 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 40.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:03:17,816 INFO L168 Benchmark]: RCFGBuilder took 2236.18 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 52.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:03:17,816 INFO L168 Benchmark]: TraceAbstraction took 7482.44 ms. Allocated memory is still 73.4 MB. Free memory was 51.9 MB in the beginning and 37.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:03:17,817 INFO L168 Benchmark]: Witness Printer took 76.75 ms. Allocated memory is still 73.4 MB. Free memory was 37.2 MB in the beginning and 31.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:03:17,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.35 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.2 MB in the beginning and 31.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.08 ms. Allocated memory is still 60.8 MB. Free memory was 30.8 MB in the beginning and 42.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.61 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 40.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2236.18 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 52.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7482.44 ms. Allocated memory is still 73.4 MB. Free memory was 51.9 MB in the beginning and 37.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * Witness Printer took 76.75 ms. Allocated memory is still 73.4 MB. Free memory was 37.2 MB in the beginning and 31.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 506]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 506]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 506]: 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, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 498 SDslu, 426 SDs, 0 SdLazy, 94 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1714 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 815 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1610 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:03:17,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0f0f9a-5035-4dd1-bce3-ba60c1a1288d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...