./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0a38d188f2630eb8c92d710d8937425c14dd1581e9216671e138a935f7e01f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:20:31,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:20:31,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:20:31,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:20:31,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:20:31,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:20:31,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:20:31,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:20:31,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:20:31,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:20:31,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:20:31,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:20:31,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:20:31,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:20:31,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:20:31,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:20:31,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:20:31,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:20:31,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:20:31,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:20:31,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:20:31,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:20:31,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:20:31,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:20:31,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:20:31,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:20:31,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:20:31,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:20:31,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:20:31,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:20:31,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:20:31,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:20:31,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:20:31,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:20:31,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:20:31,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:20:31,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:20:31,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:20:31,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:20:31,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:20:31,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:20:31,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:20:31,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:20:31,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:20:31,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:20:31,699 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:20:31,700 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:20:31,700 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:20:31,700 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:20:31,700 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:20:31,700 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:20:31,701 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:20:31,701 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:20:31,701 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:20:31,701 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:20:31,702 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:20:31,702 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:20:31,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:20:31,703 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:20:31,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:20:31,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:20:31,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:20:31,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:20:31,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:20:31,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:20:31,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:20:31,705 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:20:31,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:20:31,706 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:20:31,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:20:31,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:20:31,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:20:31,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:31,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:20:31,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:20:31,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:20:31,708 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:20:31,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:20:31,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:20:31,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:20:31,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:20:31,709 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_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0a38d188f2630eb8c92d710d8937425c14dd1581e9216671e138a935f7e01f2 [2021-11-07 02:20:32,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:20:32,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:20:32,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:20:32,130 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:20:32,131 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:20:32,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2021-11-07 02:20:32,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data/d81c07234/2a7935eef1574a38ac65013c93bf1e52/FLAG12cdb18a0 [2021-11-07 02:20:32,799 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:20:32,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2021-11-07 02:20:32,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data/d81c07234/2a7935eef1574a38ac65013c93bf1e52/FLAG12cdb18a0 [2021-11-07 02:20:33,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data/d81c07234/2a7935eef1574a38ac65013c93bf1e52 [2021-11-07 02:20:33,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:20:33,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:20:33,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:33,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:20:33,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:20:33,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:33" (1/1) ... [2021-11-07 02:20:33,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49071bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:33, skipping insertion in model container [2021-11-07 02:20:33,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:33" (1/1) ... [2021-11-07 02:20:33,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:20:33,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:20:33,435 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_908d9f09-6693-4219-9cae-fd1a06b93656/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c[8087,8100] [2021-11-07 02:20:33,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:33,523 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 02:20:33,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5832c09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:33, skipping insertion in model container [2021-11-07 02:20:33,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:33,524 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:20:33,527 INFO L168 Benchmark]: Toolchain (without parser) took 435.31 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 46.8 MB in the beginning and 82.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:33,528 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 63.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:33,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.42 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 46.6 MB in the beginning and 82.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:33,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 63.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 432.42 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 46.6 MB in the beginning and 82.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 584]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0a38d188f2630eb8c92d710d8937425c14dd1581e9216671e138a935f7e01f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:20:36,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:20:36,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:20:36,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:20:36,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:20:36,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:20:36,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:20:36,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:20:36,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:20:36,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:20:36,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:20:36,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:20:36,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:20:36,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:20:36,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:20:36,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:20:36,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:20:36,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:20:36,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:20:36,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:20:36,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:20:36,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:20:36,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:20:36,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:20:36,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:20:36,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:20:36,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:20:36,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:20:36,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:20:36,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:20:36,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:20:36,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:20:36,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:20:36,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:20:36,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:20:36,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:20:36,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:20:36,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:20:36,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:20:36,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:20:36,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:20:36,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 02:20:36,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:20:36,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:20:36,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:20:36,223 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:20:36,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:20:36,224 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:20:36,224 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:20:36,224 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:20:36,225 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:20:36,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:20:36,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:20:36,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:20:36,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:20:36,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:20:36,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:20:36,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:20:36,227 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:20:36,228 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:20:36,228 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:20:36,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:20:36,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:20:36,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:20:36,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:20:36,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:20:36,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:20:36,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:20:36,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:36,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:20:36,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:20:36,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:20:36,231 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:20:36,231 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:20:36,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:20:36,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:20:36,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:20:36,232 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_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0a38d188f2630eb8c92d710d8937425c14dd1581e9216671e138a935f7e01f2 [2021-11-07 02:20:36,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:20:36,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:20:36,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:20:36,702 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:20:36,704 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:20:36,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2021-11-07 02:20:36,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data/1ac00fb0e/daa27869235544be85c088e8c62925f6/FLAGb301ef96c [2021-11-07 02:20:37,541 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:20:37,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2021-11-07 02:20:37,563 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data/1ac00fb0e/daa27869235544be85c088e8c62925f6/FLAGb301ef96c [2021-11-07 02:20:37,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/data/1ac00fb0e/daa27869235544be85c088e8c62925f6 [2021-11-07 02:20:37,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:20:37,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:20:37,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:37,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:20:37,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:20:37,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:37" (1/1) ... [2021-11-07 02:20:37,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3fb81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:37, skipping insertion in model container [2021-11-07 02:20:37,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:37" (1/1) ... [2021-11-07 02:20:37,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:20:37,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:20:38,154 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_908d9f09-6693-4219-9cae-fd1a06b93656/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c[8087,8100] [2021-11-07 02:20:38,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:38,261 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:20:38,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:20:38,323 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_908d9f09-6693-4219-9cae-fd1a06b93656/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c[8087,8100] [2021-11-07 02:20:38,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:38,366 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:20:38,413 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_908d9f09-6693-4219-9cae-fd1a06b93656/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c[8087,8100] [2021-11-07 02:20:38,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:38,524 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:20:38,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38 WrapperNode [2021-11-07 02:20:38,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:38,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:20:38,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:20:38,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:20:38,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:20:38,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:20:38,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:20:38,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:20:38,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:20:38,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:20:38,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:20:38,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:20:38,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (1/1) ... [2021-11-07 02:20:38,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:38,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:38,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:20:38,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:20:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:20:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:20:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:20:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:20:41,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:20:41,749 INFO L299 CfgBuilder]: Removed 166 assume(true) statements. [2021-11-07 02:20:41,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:41 BoogieIcfgContainer [2021-11-07 02:20:41,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:20:41,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:20:41,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:20:41,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:20:41,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:20:37" (1/3) ... [2021-11-07 02:20:41,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f15f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:20:41, skipping insertion in model container [2021-11-07 02:20:41,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:38" (2/3) ... [2021-11-07 02:20:41,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f15f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:20:41, skipping insertion in model container [2021-11-07 02:20:41,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:41" (3/3) ... [2021-11-07 02:20:41,765 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product23.cil.c [2021-11-07 02:20:41,772 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:20:41,772 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 02:20:41,842 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:20:41,855 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:20:41,855 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 02:20:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 112 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) [2021-11-07 02:20:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 02:20:41,887 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:41,888 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:41,889 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:20:41,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash 946560340, now seen corresponding path program 1 times [2021-11-07 02:20:41,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:20:41,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778253686] [2021-11-07 02:20:41,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:41,912 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:20:41,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:20:41,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:20:41,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:20:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:42,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:20:42,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:42,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:42,354 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:20:42,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778253686] [2021-11-07 02:20:42,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778253686] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:20:42,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:20:42,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:20:42,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841391516] [2021-11-07 02:20:42,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:20:42,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:20:42,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:20:42,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:20:42,389 INFO L87 Difference]: Start difference. First operand has 113 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 112 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) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:42,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:42,451 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2021-11-07 02:20:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:20:42,453 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 02:20:42,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:42,469 INFO L225 Difference]: With dead ends: 220 [2021-11-07 02:20:42,470 INFO L226 Difference]: Without dead ends: 109 [2021-11-07 02:20:42,474 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:20:42,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-07 02:20:42,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-11-07 02:20:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.471698113207547) internal successors, (156), 108 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2021-11-07 02:20:42,548 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 18 [2021-11-07 02:20:42,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:42,548 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2021-11-07 02:20:42,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2021-11-07 02:20:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 02:20:42,553 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:42,553 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:42,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:42,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:20:42,767 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:20:42,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:42,768 INFO L85 PathProgramCache]: Analyzing trace with hash 35529587, now seen corresponding path program 1 times [2021-11-07 02:20:42,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:20:42,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523318183] [2021-11-07 02:20:42,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:42,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:20:42,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:20:42,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:20:42,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:20:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:42,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:20:42,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:43,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:43,106 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:20:43,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523318183] [2021-11-07 02:20:43,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523318183] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:20:43,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:20:43,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:20:43,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734962978] [2021-11-07 02:20:43,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:20:43,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:20:43,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:20:43,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:20:43,110 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:43,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:43,126 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2021-11-07 02:20:43,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:20:43,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 02:20:43,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:43,128 INFO L225 Difference]: With dead ends: 109 [2021-11-07 02:20:43,128 INFO L226 Difference]: Without dead ends: 47 [2021-11-07 02:20:43,129 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:20:43,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-07 02:20:43,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-07 02:20:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-11-07 02:20:43,135 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2021-11-07 02:20:43,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:43,135 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-11-07 02:20:43,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:43,136 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-11-07 02:20:43,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 02:20:43,137 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:43,137 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:43,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 02:20:43,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:20:43,350 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:20:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:43,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1149792188, now seen corresponding path program 1 times [2021-11-07 02:20:43,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:20:43,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904190749] [2021-11-07 02:20:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:43,352 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:20:43,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:20:43,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:20:43,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:20:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:43,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:20:43,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:43,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:43,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:43,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:43,834 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:20:43,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904190749] [2021-11-07 02:20:43,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904190749] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:20:43,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:20:43,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 02:20:43,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496109273] [2021-11-07 02:20:43,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:20:43,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:20:43,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:20:43,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:20:43,844 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:43,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:43,891 INFO L93 Difference]: Finished difference Result 154 states and 226 transitions. [2021-11-07 02:20:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:20:43,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 02:20:43,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:43,896 INFO L225 Difference]: With dead ends: 154 [2021-11-07 02:20:43,898 INFO L226 Difference]: Without dead ends: 113 [2021-11-07 02:20:43,899 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:20:43,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-07 02:20:43,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 68. [2021-11-07 02:20:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 67 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2021-11-07 02:20:43,917 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 24 [2021-11-07 02:20:43,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:43,917 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2021-11-07 02:20:43,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2021-11-07 02:20:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 02:20:43,922 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:43,922 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:43,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 02:20:44,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:20:44,139 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:20:44,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:44,139 INFO L85 PathProgramCache]: Analyzing trace with hash 190951434, now seen corresponding path program 1 times [2021-11-07 02:20:44,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:20:44,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164572808] [2021-11-07 02:20:44,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:44,141 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:20:44,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:20:44,142 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:20:44,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:20:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:44,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:20:44,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:44,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:44,653 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:20:44,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164572808] [2021-11-07 02:20:44,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164572808] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:20:44,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:20:44,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 02:20:44,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521564764] [2021-11-07 02:20:44,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:20:44,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:20:44,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:20:44,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:20:44,657 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:45,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:45,087 INFO L93 Difference]: Finished difference Result 762 states and 1164 transitions. [2021-11-07 02:20:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 02:20:45,088 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 02:20:45,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:45,093 INFO L225 Difference]: With dead ends: 762 [2021-11-07 02:20:45,094 INFO L226 Difference]: Without dead ends: 700 [2021-11-07 02:20:45,095 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-07 02:20:45,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2021-11-07 02:20:45,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 178. [2021-11-07 02:20:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.463276836158192) internal successors, (259), 177 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 259 transitions. [2021-11-07 02:20:45,145 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 259 transitions. Word has length 26 [2021-11-07 02:20:45,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:45,145 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 259 transitions. [2021-11-07 02:20:45,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:45,145 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 259 transitions. [2021-11-07 02:20:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 02:20:45,148 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:45,148 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] [2021-11-07 02:20:45,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:45,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:20:45,361 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:20:45,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:45,362 INFO L85 PathProgramCache]: Analyzing trace with hash -418085112, now seen corresponding path program 1 times [2021-11-07 02:20:45,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:20:45,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962862870] [2021-11-07 02:20:45,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:45,363 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:20:45,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:20:45,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:20:45,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:20:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:20:46,636 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 02:20:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:20:48,000 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 02:20:48,000 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 02:20:48,001 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:20:48,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:20:48,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:20:48,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:48,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:20:48,227 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 02:20:48,230 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:20:48,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:20:48 BoogieIcfgContainer [2021-11-07 02:20:48,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:20:48,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:20:48,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:20:48,425 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:20:48,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:41" (3/4) ... [2021-11-07 02:20:48,434 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 02:20:48,601 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:20:48,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:20:48,609 INFO L168 Benchmark]: Toolchain (without parser) took 10815.10 ms. Allocated memory was 60.8 MB in the beginning and 113.2 MB in the end (delta: 52.4 MB). Free memory was 39.4 MB in the beginning and 81.2 MB in the end (delta: -41.8 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:48,610 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:48,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.00 ms. Allocated memory is still 60.8 MB. Free memory was 39.2 MB in the beginning and 28.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:48,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.82 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 28.0 MB in the beginning and 67.1 MB in the end (delta: -39.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:48,614 INFO L168 Benchmark]: Boogie Preprocessor took 135.06 ms. Allocated memory is still 86.0 MB. Free memory was 66.8 MB in the beginning and 64.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:48,614 INFO L168 Benchmark]: RCFGBuilder took 2937.33 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 63.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:48,615 INFO L168 Benchmark]: TraceAbstraction took 6667.77 ms. Allocated memory is still 86.0 MB. Free memory was 62.6 MB in the beginning and 29.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:48,615 INFO L168 Benchmark]: Witness Printer took 183.17 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 29.7 MB in the beginning and 81.2 MB in the end (delta: -51.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:48,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 731.00 ms. Allocated memory is still 60.8 MB. Free memory was 39.2 MB in the beginning and 28.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 150.82 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 28.0 MB in the beginning and 67.1 MB in the end (delta: -39.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.06 ms. Allocated memory is still 86.0 MB. Free memory was 66.8 MB in the beginning and 64.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2937.33 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 63.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6667.77 ms. Allocated memory is still 86.0 MB. Free memory was 62.6 MB in the beginning and 29.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * Witness Printer took 183.17 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 29.7 MB in the beginning and 81.2 MB in the end (delta: -51.5 MB). Peak memory consumption was 2.1 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 - CounterExampleResult [Line: 551]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L187] int pumpRunning = 0; [L188] int systemActive = 1; [L448] int cleanupTimeShifts = 4; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int retValue_acc ; [L525] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L948] int retValue_acc ; [L951] retValue_acc = 1 [L952] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L382] int splverifierCounter ; [L383] int tmp ; [L384] int tmp___0 ; [L385] int tmp___1 ; [L386] int tmp___2 ; [L389] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L391] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L393] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L399] tmp = __VERIFIER_nondet_int() [L401] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L409] tmp___0 = __VERIFIER_nondet_int() [L411] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L419] tmp___2 = __VERIFIER_nondet_int() [L421] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L194] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L201] COND TRUE \read(systemActive) [L249] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L252] COND FALSE !(\read(pumpRunning)) [L223] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L226] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] tmp = isMethaneLevelCritical() [L157] COND FALSE !(\read(tmp)) [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L161] tmp___0 = getWaterLevel() [L163] COND TRUE tmp___0 == 2 [L301] int retValue_acc ; [L304] retValue_acc = pumpRunning [L305] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] tmp___1 = isPumpRunning() [L167] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 551]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 551]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 404 SDtfs, 915 SDslu, 914 SDs, 0 SdLazy, 127 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 567 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 SizeOfPredicates, 4 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-07 02:20:48,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908d9f09-6693-4219-9cae-fd1a06b93656/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE