./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.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_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/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_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/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_0e8f2993-8fcb-448a-98c8-17a47d550b48/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 e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:40:20,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:40:20,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:40:20,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:40:20,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:40:20,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:40:20,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:40:20,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:40:20,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:40:20,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:40:20,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:40:20,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:40:20,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:40:20,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:40:20,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:40:20,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:40:20,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:40:20,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:40:20,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:40:20,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:40:20,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:40:20,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:40:20,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:40:20,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:40:20,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:40:20,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:40:20,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:40:20,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:40:20,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:40:20,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:40:20,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:40:20,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:40:20,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:40:20,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:40:20,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:40:20,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:40:20,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:40:20,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:40:20,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:40:20,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:40:20,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:40:20,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:40:20,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:40:20,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:40:20,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:40:20,832 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:40:20,832 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:40:20,832 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:40:20,832 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:40:20,833 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:40:20,833 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:40:20,833 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:40:20,840 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:40:20,841 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:40:20,841 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:40:20,841 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:40:20,841 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:40:20,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:40:20,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:40:20,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:40:20,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:40:20,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:40:20,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:40:20,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:40:20,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:40:20,844 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:40:20,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:40:20,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:40:20,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:40:20,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:40:20,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:40:20,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:40:20,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:40:20,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:40:20,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:40:20,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:40:20,847 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:40:20,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:40:20,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:40:20,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:40:20,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:40:20,848 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_0e8f2993-8fcb-448a-98c8-17a47d550b48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 [2021-11-07 01:40:21,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:40:21,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:40:21,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:40:21,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:40:21,216 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:40:21,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-11-07 01:40:21,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data/7c94b0b84/26781422d7ab4b79950ae7ade640a92e/FLAG238f4d290 [2021-11-07 01:40:21,943 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:40:21,944 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-11-07 01:40:21,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data/7c94b0b84/26781422d7ab4b79950ae7ade640a92e/FLAG238f4d290 [2021-11-07 01:40:22,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data/7c94b0b84/26781422d7ab4b79950ae7ade640a92e [2021-11-07 01:40:22,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:40:22,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:40:22,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:40:22,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:40:22,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:40:22,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:40:22" (1/1) ... [2021-11-07 01:40:22,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8cf91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:22, skipping insertion in model container [2021-11-07 01:40:22,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:40:22" (1/1) ... [2021-11-07 01:40:22,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:40:22,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:40:22,664 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_0e8f2993-8fcb-448a-98c8-17a47d550b48/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-11-07 01:40:22,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:40:22,699 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 01:40:22,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31020ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:22, skipping insertion in model container [2021-11-07 01:40:22,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:40:22,701 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:40:22,704 INFO L168 Benchmark]: Toolchain (without parser) took 494.84 ms. Allocated memory is still 123.7 MB. Free memory was 86.9 MB in the beginning and 93.1 MB in the end (delta: -6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:40:22,705 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 123.7 MB. Free memory was 96.6 MB in the beginning and 96.6 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:40:22,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.27 ms. Allocated memory is still 123.7 MB. Free memory was 86.7 MB in the beginning and 93.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:40:22,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 123.7 MB. Free memory was 96.6 MB in the beginning and 96.6 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.27 ms. Allocated memory is still 123.7 MB. Free memory was 86.7 MB in the beginning and 93.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/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_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/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_0e8f2993-8fcb-448a-98c8-17a47d550b48/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 e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:40:24,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:40:24,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:40:24,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:40:24,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:40:24,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:40:24,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:40:24,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:40:24,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:40:24,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:40:24,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:40:24,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:40:24,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:40:24,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:40:24,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:40:24,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:40:24,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:40:24,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:40:24,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:40:24,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:40:24,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:40:24,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:40:24,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:40:24,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:40:24,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:40:24,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:40:24,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:40:24,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:40:24,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:40:24,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:40:24,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:40:24,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:40:25,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:40:25,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:40:25,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:40:25,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:40:25,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:40:25,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:40:25,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:40:25,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:40:25,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:40:25,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:40:25,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:40:25,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:40:25,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:40:25,066 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:40:25,066 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:40:25,066 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:40:25,066 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:40:25,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:40:25,068 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:40:25,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:40:25,070 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:40:25,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:40:25,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:40:25,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:40:25,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:40:25,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:40:25,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:40:25,071 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:40:25,072 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:40:25,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:40:25,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:40:25,072 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:40:25,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:40:25,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:40:25,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:40:25,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:40:25,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:40:25,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:40:25,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:40:25,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:40:25,074 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:40:25,074 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:40:25,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:40:25,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:40:25,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:40:25,075 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_0e8f2993-8fcb-448a-98c8-17a47d550b48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7a194b3d6e079d2329a0d70eaa59b34ff3d58300de8b046ef1cd7cff7f67b94 [2021-11-07 01:40:25,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:40:25,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:40:25,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:40:25,512 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:40:25,513 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:40:25,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-11-07 01:40:25,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data/c95a8a13c/436745188f5c4d4e9a9b6ff1e22f8693/FLAG26fc88f4c [2021-11-07 01:40:26,179 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:40:26,179 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-11-07 01:40:26,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data/c95a8a13c/436745188f5c4d4e9a9b6ff1e22f8693/FLAG26fc88f4c [2021-11-07 01:40:26,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/data/c95a8a13c/436745188f5c4d4e9a9b6ff1e22f8693 [2021-11-07 01:40:26,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:40:26,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:40:26,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:40:26,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:40:26,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:40:26,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:40:26" (1/1) ... [2021-11-07 01:40:26,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23411f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:26, skipping insertion in model container [2021-11-07 01:40:26,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:40:26" (1/1) ... [2021-11-07 01:40:26,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:40:26,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:40:26,872 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_0e8f2993-8fcb-448a-98c8-17a47d550b48/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-11-07 01:40:26,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:40:26,917 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:40:26,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:40:27,017 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_0e8f2993-8fcb-448a-98c8-17a47d550b48/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-11-07 01:40:27,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:40:27,043 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:40:27,128 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_0e8f2993-8fcb-448a-98c8-17a47d550b48/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-11-07 01:40:27,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:40:27,167 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:40:27,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27 WrapperNode [2021-11-07 01:40:27,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:40:27,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:40:27,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:40:27,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:40:27,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:40:27,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:40:27,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:40:27,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:40:27,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:40:27,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:40:27,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:40:27,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:40:27,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (1/1) ... [2021-11-07 01:40:27,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:40:27,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:40:27,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:40:27,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:40:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:40:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:40:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:40:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:40:29,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:40:29,977 INFO L299 CfgBuilder]: Removed 290 assume(true) statements. [2021-11-07 01:40:29,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:40:29 BoogieIcfgContainer [2021-11-07 01:40:29,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:40:29,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:40:29,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:40:29,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:40:29,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:40:26" (1/3) ... [2021-11-07 01:40:29,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d01295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:40:29, skipping insertion in model container [2021-11-07 01:40:29,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:40:27" (2/3) ... [2021-11-07 01:40:29,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d01295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:40:29, skipping insertion in model container [2021-11-07 01:40:29,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:40:29" (3/3) ... [2021-11-07 01:40:29,988 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2021-11-07 01:40:29,995 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:40:29,995 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:40:30,043 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:40:30,049 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 01:40:30,049 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:40:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 194 states have (on average 1.5463917525773196) internal successors, (300), 197 states have internal predecessors, (300), 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 01:40:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:40:30,075 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:30,076 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 01:40:30,076 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 01:40:30,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:30,082 INFO L85 PathProgramCache]: Analyzing trace with hash -750612192, now seen corresponding path program 1 times [2021-11-07 01:40:30,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:30,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742572121] [2021-11-07 01:40:30,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:30,103 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:30,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:30,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:30,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:40:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:30,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:40:30,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:30,440 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 01:40:30,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:30,518 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 01:40:30,519 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:30,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742572121] [2021-11-07 01:40:30,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742572121] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:30,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:30,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:40:30,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122404759] [2021-11-07 01:40:30,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:40:30,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:30,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:40:30,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:40:30,539 INFO L87 Difference]: Start difference. First operand has 198 states, 194 states have (on average 1.5463917525773196) internal successors, (300), 197 states have internal predecessors, (300), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 01:40:30,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:30,580 INFO L93 Difference]: Finished difference Result 389 states and 592 transitions. [2021-11-07 01:40:30,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:40:30,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 01:40:30,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:30,605 INFO L225 Difference]: With dead ends: 389 [2021-11-07 01:40:30,605 INFO L226 Difference]: Without dead ends: 194 [2021-11-07 01:40:30,609 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 01:40:30,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-07 01:40:30,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-11-07 01:40:30,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 191 states have (on average 1.5078534031413613) internal successors, (288), 193 states have internal predecessors, (288), 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 01:40:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 288 transitions. [2021-11-07 01:40:30,673 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 288 transitions. Word has length 19 [2021-11-07 01:40:30,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:30,676 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 288 transitions. [2021-11-07 01:40:30,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 01:40:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 288 transitions. [2021-11-07 01:40:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 01:40:30,678 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:30,678 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] [2021-11-07 01:40:30,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:40:30,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:30,879 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 01:40:30,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:30,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1114380044, now seen corresponding path program 1 times [2021-11-07 01:40:30,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:30,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108263660] [2021-11-07 01:40:30,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:30,881 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:30,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:30,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:30,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:40:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:31,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:40:31,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:31,171 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 01:40:31,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:31,238 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 01:40:31,239 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:31,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108263660] [2021-11-07 01:40:31,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108263660] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:31,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:31,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:31,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284759067] [2021-11-07 01:40:31,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:40:31,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:31,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:40:31,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:40:31,250 INFO L87 Difference]: Start difference. First operand 194 states and 288 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:31,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:31,288 INFO L93 Difference]: Finished difference Result 194 states and 288 transitions. [2021-11-07 01:40:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:40:31,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-07 01:40:31,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:31,295 INFO L225 Difference]: With dead ends: 194 [2021-11-07 01:40:31,295 INFO L226 Difference]: Without dead ends: 75 [2021-11-07 01:40:31,297 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 01:40:31,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-07 01:40:31,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-07 01:40:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 74 states have internal predecessors, (110), 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 01:40:31,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2021-11-07 01:40:31,312 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 20 [2021-11-07 01:40:31,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:31,312 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2021-11-07 01:40:31,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2021-11-07 01:40:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:40:31,316 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:31,320 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 01:40:31,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:31,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:31,533 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 01:40:31,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:31,533 INFO L85 PathProgramCache]: Analyzing trace with hash 298878360, now seen corresponding path program 1 times [2021-11-07 01:40:31,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:31,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167392650] [2021-11-07 01:40:31,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:31,535 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:31,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:31,540 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:31,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:40:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:31,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:40:31,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:31,909 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 01:40:31,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:32,025 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 01:40:32,025 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:32,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167392650] [2021-11-07 01:40:32,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167392650] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:32,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:32,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:40:32,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620280198] [2021-11-07 01:40:32,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:40:32,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:32,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:40:32,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:40:32,028 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 01:40:32,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:32,038 INFO L93 Difference]: Finished difference Result 143 states and 213 transitions. [2021-11-07 01:40:32,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:40:32,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 01:40:32,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:32,040 INFO L225 Difference]: With dead ends: 143 [2021-11-07 01:40:32,040 INFO L226 Difference]: Without dead ends: 75 [2021-11-07 01:40:32,041 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 01:40:32,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-07 01:40:32,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-07 01:40:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 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 01:40:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2021-11-07 01:40:32,049 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2021-11-07 01:40:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:32,049 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2021-11-07 01:40:32,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 01:40:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-11-07 01:40:32,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:40:32,051 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:32,051 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, 1, 1] [2021-11-07 01:40:32,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:32,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:32,265 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 01:40:32,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:32,266 INFO L85 PathProgramCache]: Analyzing trace with hash -149422890, now seen corresponding path program 1 times [2021-11-07 01:40:32,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:32,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844511457] [2021-11-07 01:40:32,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:32,267 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:32,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:32,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:32,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:40:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:32,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:40:32,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:32,569 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 01:40:32,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:32,629 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:32,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844511457] [2021-11-07 01:40:32,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844511457] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:32,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:32,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:40:32,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624874835] [2021-11-07 01:40:32,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:40:32,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:32,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:40:32,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:40:32,633 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 01:40:32,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:32,700 INFO L93 Difference]: Finished difference Result 155 states and 227 transitions. [2021-11-07 01:40:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:40:32,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2021-11-07 01:40:32,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:32,701 INFO L225 Difference]: With dead ends: 155 [2021-11-07 01:40:32,702 INFO L226 Difference]: Without dead ends: 87 [2021-11-07 01:40:32,702 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:40:32,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-07 01:40:32,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2021-11-07 01:40:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 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 01:40:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 119 transitions. [2021-11-07 01:40:32,722 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 119 transitions. Word has length 29 [2021-11-07 01:40:32,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:32,723 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 119 transitions. [2021-11-07 01:40:32,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 01:40:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2021-11-07 01:40:32,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:40:32,726 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:32,727 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:32,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:32,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:32,939 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 01:40:32,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:32,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1951483845, now seen corresponding path program 1 times [2021-11-07 01:40:32,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:32,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122648969] [2021-11-07 01:40:32,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:32,940 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:32,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:32,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:32,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:40:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:33,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:40:33,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:33,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:33,379 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 01:40:33,380 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:33,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122648969] [2021-11-07 01:40:33,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122648969] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:33,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:33,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:40:33,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32526071] [2021-11-07 01:40:33,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:33,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:33,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:33,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:33,390 INFO L87 Difference]: Start difference. First operand 85 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 01:40:33,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:33,489 INFO L93 Difference]: Finished difference Result 223 states and 310 transitions. [2021-11-07 01:40:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:40:33,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-11-07 01:40:33,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:33,491 INFO L225 Difference]: With dead ends: 223 [2021-11-07 01:40:33,491 INFO L226 Difference]: Without dead ends: 145 [2021-11-07 01:40:33,492 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:40:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-07 01:40:33,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 94. [2021-11-07 01:40:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 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 01:40:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2021-11-07 01:40:33,506 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 35 [2021-11-07 01:40:33,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:33,507 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2021-11-07 01:40:33,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 01:40:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2021-11-07 01:40:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:40:33,511 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:33,511 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:33,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:33,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:33,724 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:33,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:33,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1410019742, now seen corresponding path program 1 times [2021-11-07 01:40:33,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:33,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869099416] [2021-11-07 01:40:33,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:33,725 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:33,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:33,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:33,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:40:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:33,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:40:33,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:34,103 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 01:40:34,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:34,200 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 01:40:34,200 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:34,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869099416] [2021-11-07 01:40:34,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869099416] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:34,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:34,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:40:34,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142008674] [2021-11-07 01:40:34,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:40:34,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:34,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:40:34,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:40:34,202 INFO L87 Difference]: Start difference. First operand 94 states and 128 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 01:40:34,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:34,370 INFO L93 Difference]: Finished difference Result 313 states and 429 transitions. [2021-11-07 01:40:34,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:40:34,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-11-07 01:40:34,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:34,374 INFO L225 Difference]: With dead ends: 313 [2021-11-07 01:40:34,374 INFO L226 Difference]: Without dead ends: 226 [2021-11-07 01:40:34,375 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:40:34,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-11-07 01:40:34,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 93. [2021-11-07 01:40:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 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 01:40:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 125 transitions. [2021-11-07 01:40:34,394 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 125 transitions. Word has length 35 [2021-11-07 01:40:34,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:34,395 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 125 transitions. [2021-11-07 01:40:34,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 01:40:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2021-11-07 01:40:34,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:40:34,401 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:34,401 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:34,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:34,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:34,614 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:34,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:34,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1642418873, now seen corresponding path program 1 times [2021-11-07 01:40:34,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:34,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076808209] [2021-11-07 01:40:34,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:34,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:34,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:34,617 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:34,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:40:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:34,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:40:34,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:34,966 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 01:40:34,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:35,049 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 01:40:35,049 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:35,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076808209] [2021-11-07 01:40:35,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076808209] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:35,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:35,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:40:35,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340625229] [2021-11-07 01:40:35,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:40:35,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:35,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:40:35,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:35,067 INFO L87 Difference]: Start difference. First operand 93 states and 125 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:35,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:35,139 INFO L93 Difference]: Finished difference Result 240 states and 321 transitions. [2021-11-07 01:40:35,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:40:35,139 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 01:40:35,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:35,141 INFO L225 Difference]: With dead ends: 240 [2021-11-07 01:40:35,141 INFO L226 Difference]: Without dead ends: 154 [2021-11-07 01:40:35,142 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:40:35,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-07 01:40:35,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 99. [2021-11-07 01:40:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.336734693877551) internal successors, (131), 98 states have internal predecessors, (131), 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 01:40:35,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 131 transitions. [2021-11-07 01:40:35,153 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 131 transitions. Word has length 35 [2021-11-07 01:40:35,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:35,153 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 131 transitions. [2021-11-07 01:40:35,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2021-11-07 01:40:35,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:40:35,154 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:35,155 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:35,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:35,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:35,367 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:35,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:35,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2065742409, now seen corresponding path program 1 times [2021-11-07 01:40:35,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:35,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670498228] [2021-11-07 01:40:35,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:35,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:35,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:35,370 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:35,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:40:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:35,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:40:35,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:35,730 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 01:40:35,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:35,841 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 01:40:35,841 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:35,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670498228] [2021-11-07 01:40:35,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670498228] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:35,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:35,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:40:35,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398764935] [2021-11-07 01:40:35,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:40:35,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:35,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:40:35,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:40:35,844 INFO L87 Difference]: Start difference. First operand 99 states and 131 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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 01:40:35,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:35,909 INFO L93 Difference]: Finished difference Result 291 states and 389 transitions. [2021-11-07 01:40:35,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:35,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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 35 [2021-11-07 01:40:35,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:35,911 INFO L225 Difference]: With dead ends: 291 [2021-11-07 01:40:35,911 INFO L226 Difference]: Without dead ends: 199 [2021-11-07 01:40:35,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 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 01:40:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-11-07 01:40:35,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 168. [2021-11-07 01:40:35,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.3293413173652695) internal successors, (222), 167 states have internal predecessors, (222), 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 01:40:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2021-11-07 01:40:35,929 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 222 transitions. Word has length 35 [2021-11-07 01:40:35,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:35,929 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 222 transitions. [2021-11-07 01:40:35,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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 01:40:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2021-11-07 01:40:35,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:40:35,930 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:35,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:35,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:36,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:36,143 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:36,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:36,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1741083913, now seen corresponding path program 1 times [2021-11-07 01:40:36,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:36,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59424385] [2021-11-07 01:40:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:36,144 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:36,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:36,145 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:36,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:40:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:36,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:40:36,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:36,595 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 01:40:36,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:36,716 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 01:40:36,716 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:36,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59424385] [2021-11-07 01:40:36,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59424385] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:36,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:36,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:40:36,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356007212] [2021-11-07 01:40:36,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:40:36,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:36,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:40:36,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:40:36,718 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 01:40:38,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:38,272 INFO L93 Difference]: Finished difference Result 809 states and 1078 transitions. [2021-11-07 01:40:38,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:40:38,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-11-07 01:40:38,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:38,276 INFO L225 Difference]: With dead ends: 809 [2021-11-07 01:40:38,277 INFO L226 Difference]: Without dead ends: 648 [2021-11-07 01:40:38,277 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:40:38,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2021-11-07 01:40:38,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 291. [2021-11-07 01:40:38,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.306896551724138) internal successors, (379), 290 states have internal predecessors, (379), 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 01:40:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 379 transitions. [2021-11-07 01:40:38,310 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 379 transitions. Word has length 36 [2021-11-07 01:40:38,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:38,310 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 379 transitions. [2021-11-07 01:40:38,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 01:40:38,311 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 379 transitions. [2021-11-07 01:40:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 01:40:38,311 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:38,312 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:38,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:38,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:38,524 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:38,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:38,525 INFO L85 PathProgramCache]: Analyzing trace with hash -905921982, now seen corresponding path program 1 times [2021-11-07 01:40:38,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:38,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945394415] [2021-11-07 01:40:38,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:38,526 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:38,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:38,527 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:38,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:40:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:38,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:40:38,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:40:38,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:39,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:40:39,109 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:39,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945394415] [2021-11-07 01:40:39,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945394415] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:39,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:39,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:40:39,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609291172] [2021-11-07 01:40:39,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:40:39,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:39,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:40:39,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:40:39,112 INFO L87 Difference]: Start difference. First operand 291 states and 379 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 01:40:39,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:39,245 INFO L93 Difference]: Finished difference Result 935 states and 1217 transitions. [2021-11-07 01:40:39,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:40:39,246 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 63 [2021-11-07 01:40:39,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:39,250 INFO L225 Difference]: With dead ends: 935 [2021-11-07 01:40:39,251 INFO L226 Difference]: Without dead ends: 651 [2021-11-07 01:40:39,252 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:40:39,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2021-11-07 01:40:39,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 300. [2021-11-07 01:40:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2976588628762542) internal successors, (388), 299 states have internal predecessors, (388), 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 01:40:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 388 transitions. [2021-11-07 01:40:39,286 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 388 transitions. Word has length 63 [2021-11-07 01:40:39,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:39,287 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 388 transitions. [2021-11-07 01:40:39,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 01:40:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 388 transitions. [2021-11-07 01:40:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 01:40:39,288 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:39,288 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:39,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:39,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:39,500 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:39,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:39,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1164087420, now seen corresponding path program 1 times [2021-11-07 01:40:39,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:39,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517240276] [2021-11-07 01:40:39,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:39,501 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:39,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:39,502 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:39,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:40:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:39,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:40:39,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:40:40,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:40:40,351 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:40,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517240276] [2021-11-07 01:40:40,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517240276] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:40:40,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [884500546] [2021-11-07 01:40:40,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:40,351 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:40:40,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:40:40,353 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:40:40,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 01:40:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:40,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:40:40,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:41,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:41,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [884500546] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:40:41,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49221702] [2021-11-07 01:40:41,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:41,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:40:41,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:40:41,269 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:40:41,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:40:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:41,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:40:41,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:41,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:41,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:41,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49221702] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:40:41,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:40:41,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-11-07 01:40:41,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243055754] [2021-11-07 01:40:41,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:40:41,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:41,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:40:41,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:40:41,989 INFO L87 Difference]: Start difference. First operand 300 states and 388 transitions. Second operand has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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 01:40:49,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:49,399 INFO L93 Difference]: Finished difference Result 561 states and 732 transitions. [2021-11-07 01:40:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-07 01:40:49,400 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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 63 [2021-11-07 01:40:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:49,400 INFO L225 Difference]: With dead ends: 561 [2021-11-07 01:40:49,400 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:40:49,402 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=252, Invalid=804, Unknown=0, NotChecked=0, Total=1056 [2021-11-07 01:40:49,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:40:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:40:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:40:49,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-11-07 01:40:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:49,402 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:40:49,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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 01:40:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:40:49,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:40:49,405 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:40:49,406 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:40:49,406 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:40:49,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:49,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:49,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:50,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:40:50,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:40:50,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:50,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:40:53,890 INFO L853 garLoopResultBuilder]: At program point L960(lines 955 963) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-11-07 01:40:53,891 INFO L853 garLoopResultBuilder]: At program point L960-1(lines 955 963) the Hoare annotation is: false [2021-11-07 01:40:53,891 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 901) no Hoare annotation was computed. [2021-11-07 01:40:53,891 INFO L853 garLoopResultBuilder]: At program point L960-2(lines 955 963) the Hoare annotation is: false [2021-11-07 01:40:53,891 INFO L860 garLoopResultBuilder]: At program point L894-1(lines 894 901) the Hoare annotation is: true [2021-11-07 01:40:53,891 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-11-07 01:40:53,892 INFO L853 garLoopResultBuilder]: At program point L630(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,892 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,892 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,892 INFO L853 garLoopResultBuilder]: At program point L630-3(lines 615 633) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-11-07 01:40:53,892 INFO L853 garLoopResultBuilder]: At program point L630-4(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,892 INFO L853 garLoopResultBuilder]: At program point L630-5(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,893 INFO L853 garLoopResultBuilder]: At program point L630-6(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,893 INFO L853 garLoopResultBuilder]: At program point L630-7(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,893 INFO L853 garLoopResultBuilder]: At program point L630-8(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,893 INFO L853 garLoopResultBuilder]: At program point L630-9(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,893 INFO L853 garLoopResultBuilder]: At program point L630-10(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,893 INFO L853 garLoopResultBuilder]: At program point L630-11(lines 615 633) the Hoare annotation is: false [2021-11-07 01:40:53,894 INFO L853 garLoopResultBuilder]: At program point L566(lines 559 569) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-11-07 01:40:53,894 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 559 569) the Hoare annotation is: false [2021-11-07 01:40:53,894 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 508) no Hoare annotation was computed. [2021-11-07 01:40:53,894 INFO L853 garLoopResultBuilder]: At program point L566-2(lines 559 569) the Hoare annotation is: false [2021-11-07 01:40:53,894 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 500 508) no Hoare annotation was computed. [2021-11-07 01:40:53,894 INFO L857 garLoopResultBuilder]: For program point L500-2(lines 500 508) no Hoare annotation was computed. [2021-11-07 01:40:53,895 INFO L857 garLoopResultBuilder]: For program point L500-3(lines 500 508) no Hoare annotation was computed. [2021-11-07 01:40:53,895 INFO L857 garLoopResultBuilder]: For program point L500-4(lines 500 508) no Hoare annotation was computed. [2021-11-07 01:40:53,895 INFO L857 garLoopResultBuilder]: For program point L500-5(lines 500 508) no Hoare annotation was computed. [2021-11-07 01:40:53,895 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,895 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,895 INFO L857 garLoopResultBuilder]: For program point L470-2(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,896 INFO L857 garLoopResultBuilder]: For program point L470-3(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,896 INFO L857 garLoopResultBuilder]: For program point L470-4(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,896 INFO L857 garLoopResultBuilder]: For program point L470-5(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,896 INFO L857 garLoopResultBuilder]: For program point L470-6(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,896 INFO L857 garLoopResultBuilder]: For program point L470-7(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,896 INFO L857 garLoopResultBuilder]: For program point L470-8(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,897 INFO L857 garLoopResultBuilder]: For program point L470-9(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,897 INFO L857 garLoopResultBuilder]: For program point L470-10(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,897 INFO L857 garLoopResultBuilder]: For program point L470-11(lines 470 487) no Hoare annotation was computed. [2021-11-07 01:40:53,897 INFO L853 garLoopResultBuilder]: At program point L768(lines 763 770) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:40:53,897 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 746) no Hoare annotation was computed. [2021-11-07 01:40:53,897 INFO L853 garLoopResultBuilder]: At program point L438(lines 434 456) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse3 .cse2))) [2021-11-07 01:40:53,898 INFO L853 garLoopResultBuilder]: At program point L438-1(lines 434 456) the Hoare annotation is: false [2021-11-07 01:40:53,898 INFO L853 garLoopResultBuilder]: At program point L438-2(lines 434 456) the Hoare annotation is: false [2021-11-07 01:40:53,898 INFO L857 garLoopResultBuilder]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,898 INFO L857 garLoopResultBuilder]: For program point L1000-1(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,898 INFO L857 garLoopResultBuilder]: For program point L1000-2(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,898 INFO L857 garLoopResultBuilder]: For program point L1000-3(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,899 INFO L857 garLoopResultBuilder]: For program point L1000-4(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,899 INFO L857 garLoopResultBuilder]: For program point L1000-5(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,899 INFO L857 garLoopResultBuilder]: For program point L1000-6(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,899 INFO L857 garLoopResultBuilder]: For program point L1000-7(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,899 INFO L857 garLoopResultBuilder]: For program point L1000-8(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,899 INFO L857 garLoopResultBuilder]: For program point L1000-9(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,900 INFO L857 garLoopResultBuilder]: For program point L1000-10(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,900 INFO L857 garLoopResultBuilder]: For program point L1000-11(lines 1000 1006) no Hoare annotation was computed. [2021-11-07 01:40:53,900 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-11-07 01:40:53,900 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 939) no Hoare annotation was computed. [2021-11-07 01:40:53,900 INFO L860 garLoopResultBuilder]: At program point L903(lines 884 906) the Hoare annotation is: true [2021-11-07 01:40:53,900 INFO L853 garLoopResultBuilder]: At program point L870(lines 866 872) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:40:53,901 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,901 INFO L857 garLoopResultBuilder]: For program point L474-1(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,901 INFO L857 garLoopResultBuilder]: For program point L474-2(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,901 INFO L857 garLoopResultBuilder]: For program point L474-3(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,901 INFO L857 garLoopResultBuilder]: For program point L474-4(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,901 INFO L857 garLoopResultBuilder]: For program point L474-5(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,902 INFO L857 garLoopResultBuilder]: For program point L474-6(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,902 INFO L857 garLoopResultBuilder]: For program point L474-7(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,902 INFO L857 garLoopResultBuilder]: For program point L474-8(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,902 INFO L857 garLoopResultBuilder]: For program point L474-9(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,902 INFO L857 garLoopResultBuilder]: For program point L474-10(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,902 INFO L857 garLoopResultBuilder]: For program point L474-11(lines 474 482) no Hoare annotation was computed. [2021-11-07 01:40:53,902 INFO L857 garLoopResultBuilder]: For program point L706(lines 705 750) no Hoare annotation was computed. [2021-11-07 01:40:53,903 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:40:53,903 INFO L853 garLoopResultBuilder]: At program point L575(lines 570 578) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-11-07 01:40:53,903 INFO L853 garLoopResultBuilder]: At program point L575-1(lines 570 578) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:40:53,903 INFO L853 garLoopResultBuilder]: At program point L575-2(lines 570 578) the Hoare annotation is: false [2021-11-07 01:40:53,903 INFO L853 garLoopResultBuilder]: At program point L575-3(lines 570 578) the Hoare annotation is: false [2021-11-07 01:40:53,904 INFO L853 garLoopResultBuilder]: At program point L575-4(lines 570 578) the Hoare annotation is: false [2021-11-07 01:40:53,904 INFO L853 garLoopResultBuilder]: At program point L575-5(lines 570 578) the Hoare annotation is: false [2021-11-07 01:40:53,904 INFO L853 garLoopResultBuilder]: At program point L1005(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,904 INFO L853 garLoopResultBuilder]: At program point L1005-1(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,904 INFO L853 garLoopResultBuilder]: At program point L1005-2(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,904 INFO L853 garLoopResultBuilder]: At program point L1005-3(lines 996 1009) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-11-07 01:40:53,905 INFO L853 garLoopResultBuilder]: At program point L1005-4(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,905 INFO L853 garLoopResultBuilder]: At program point L1005-5(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,905 INFO L853 garLoopResultBuilder]: At program point L1005-6(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,905 INFO L853 garLoopResultBuilder]: At program point L1005-7(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,905 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed. [2021-11-07 01:40:53,905 INFO L853 garLoopResultBuilder]: At program point L1005-8(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,906 INFO L853 garLoopResultBuilder]: At program point L1005-9(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,906 INFO L857 garLoopResultBuilder]: For program point L741-2(lines 735 746) no Hoare annotation was computed. [2021-11-07 01:40:53,906 INFO L853 garLoopResultBuilder]: At program point L1005-10(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,906 INFO L853 garLoopResultBuilder]: At program point L1005-11(lines 996 1009) the Hoare annotation is: false [2021-11-07 01:40:53,906 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,906 INFO L857 garLoopResultBuilder]: For program point L643-2(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,907 INFO L857 garLoopResultBuilder]: For program point L643-3(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,907 INFO L857 garLoopResultBuilder]: For program point L643-5(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,907 INFO L853 garLoopResultBuilder]: At program point L445(lines 445 451) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-11-07 01:40:53,907 INFO L857 garLoopResultBuilder]: For program point L643-6(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,907 INFO L853 garLoopResultBuilder]: At program point L445-1(lines 445 451) the Hoare annotation is: false [2021-11-07 01:40:53,907 INFO L857 garLoopResultBuilder]: For program point L643-8(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,908 INFO L853 garLoopResultBuilder]: At program point L445-2(lines 445 451) the Hoare annotation is: false [2021-11-07 01:40:53,908 INFO L857 garLoopResultBuilder]: For program point L643-9(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,908 INFO L857 garLoopResultBuilder]: For program point L643-11(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,908 INFO L857 garLoopResultBuilder]: For program point L643-12(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,908 INFO L857 garLoopResultBuilder]: For program point L643-14(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,908 INFO L857 garLoopResultBuilder]: For program point L643-15(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,908 INFO L857 garLoopResultBuilder]: For program point L643-17(lines 643 647) no Hoare annotation was computed. [2021-11-07 01:40:53,909 INFO L853 garLoopResultBuilder]: At program point L778(lines 438 444) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-11-07 01:40:53,909 INFO L853 garLoopResultBuilder]: At program point L778-1(lines 438 444) the Hoare annotation is: false [2021-11-07 01:40:53,909 INFO L853 garLoopResultBuilder]: At program point L778-2(lines 438 444) the Hoare annotation is: false [2021-11-07 01:40:53,909 INFO L853 garLoopResultBuilder]: At program point L679(lines 1 1018) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:40:53,909 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:40:53,909 INFO L857 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2021-11-07 01:40:53,910 INFO L857 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2021-11-07 01:40:53,910 INFO L857 garLoopResultBuilder]: For program point L912-2(line 912) no Hoare annotation was computed. [2021-11-07 01:40:53,910 INFO L857 garLoopResultBuilder]: For program point L715(lines 715 721) no Hoare annotation was computed. [2021-11-07 01:40:53,910 INFO L853 garLoopResultBuilder]: At program point L715-1(lines 715 721) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-11-07 01:40:53,910 INFO L853 garLoopResultBuilder]: At program point L649(lines 634 652) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~7 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-11-07 01:40:53,910 INFO L853 garLoopResultBuilder]: At program point L649-1(lines 634 652) the Hoare annotation is: false [2021-11-07 01:40:53,911 INFO L853 garLoopResultBuilder]: At program point L649-2(lines 634 652) the Hoare annotation is: false [2021-11-07 01:40:53,911 INFO L853 garLoopResultBuilder]: At program point L649-3(lines 634 652) the Hoare annotation is: false [2021-11-07 01:40:53,911 INFO L853 garLoopResultBuilder]: At program point L649-4(lines 634 652) the Hoare annotation is: false [2021-11-07 01:40:53,911 INFO L853 garLoopResultBuilder]: At program point L649-5(lines 634 652) the Hoare annotation is: false [2021-11-07 01:40:53,911 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2021-11-07 01:40:53,911 INFO L853 garLoopResultBuilder]: At program point L1015(lines 1010 1018) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-11-07 01:40:53,912 INFO L853 garLoopResultBuilder]: At program point L1015-1(lines 1010 1018) the Hoare annotation is: false [2021-11-07 01:40:53,912 INFO L853 garLoopResultBuilder]: At program point L1015-2(lines 1010 1018) the Hoare annotation is: false [2021-11-07 01:40:53,912 INFO L853 garLoopResultBuilder]: At program point L1015-3(lines 1010 1018) the Hoare annotation is: false [2021-11-07 01:40:53,912 INFO L853 garLoopResultBuilder]: At program point L1015-4(lines 1010 1018) the Hoare annotation is: false [2021-11-07 01:40:53,912 INFO L853 garLoopResultBuilder]: At program point L1015-5(lines 1010 1018) the Hoare annotation is: false [2021-11-07 01:40:53,912 INFO L853 garLoopResultBuilder]: At program point L751(lines 704 752) the Hoare annotation is: false [2021-11-07 01:40:53,913 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:40:53,913 INFO L853 garLoopResultBuilder]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:40:53,913 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 539) no Hoare annotation was computed. [2021-11-07 01:40:53,913 INFO L857 garLoopResultBuilder]: For program point L522-1(lines 522 539) no Hoare annotation was computed. [2021-11-07 01:40:53,913 INFO L857 garLoopResultBuilder]: For program point L522-2(lines 522 539) no Hoare annotation was computed. [2021-11-07 01:40:53,913 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:40:53,914 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2021-11-07 01:40:53,914 INFO L853 garLoopResultBuilder]: At program point L789-1(lines 1 1018) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-11-07 01:40:53,914 INFO L853 garLoopResultBuilder]: At program point L822-2(lines 822 836) the Hoare annotation is: false [2021-11-07 01:40:53,914 INFO L857 garLoopResultBuilder]: For program point L789-2(lines 789 806) no Hoare annotation was computed. [2021-11-07 01:40:53,914 INFO L853 garLoopResultBuilder]: At program point L789-3(lines 1 1018) the Hoare annotation is: false [2021-11-07 01:40:53,914 INFO L857 garLoopResultBuilder]: For program point L789-4(lines 789 806) no Hoare annotation was computed. [2021-11-07 01:40:53,914 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,915 INFO L853 garLoopResultBuilder]: At program point L789-5(lines 1 1018) the Hoare annotation is: false [2021-11-07 01:40:53,915 INFO L857 garLoopResultBuilder]: For program point L624-2(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,915 INFO L857 garLoopResultBuilder]: For program point L624-3(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,915 INFO L857 garLoopResultBuilder]: For program point L624-5(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,915 INFO L857 garLoopResultBuilder]: For program point L624-6(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,915 INFO L857 garLoopResultBuilder]: For program point L624-8(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,916 INFO L857 garLoopResultBuilder]: For program point L624-9(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,916 INFO L857 garLoopResultBuilder]: For program point L624-11(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,916 INFO L857 garLoopResultBuilder]: For program point L624-12(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,916 INFO L857 garLoopResultBuilder]: For program point L624-14(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,916 INFO L857 garLoopResultBuilder]: For program point L624-15(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,916 INFO L857 garLoopResultBuilder]: For program point L624-17(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,916 INFO L857 garLoopResultBuilder]: For program point L624-18(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,917 INFO L857 garLoopResultBuilder]: For program point L624-20(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,917 INFO L857 garLoopResultBuilder]: For program point L624-21(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,917 INFO L857 garLoopResultBuilder]: For program point L624-23(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,917 INFO L857 garLoopResultBuilder]: For program point L624-24(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,917 INFO L857 garLoopResultBuilder]: For program point L823(line 823) no Hoare annotation was computed. [2021-11-07 01:40:53,917 INFO L857 garLoopResultBuilder]: For program point L624-26(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,917 INFO L857 garLoopResultBuilder]: For program point L624-27(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,918 INFO L857 garLoopResultBuilder]: For program point L624-29(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,918 INFO L857 garLoopResultBuilder]: For program point L624-30(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,918 INFO L857 garLoopResultBuilder]: For program point L624-32(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,918 INFO L857 garLoopResultBuilder]: For program point L624-33(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,918 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 534) no Hoare annotation was computed. [2021-11-07 01:40:53,918 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 526 534) no Hoare annotation was computed. [2021-11-07 01:40:53,919 INFO L857 garLoopResultBuilder]: For program point L624-35(lines 624 628) no Hoare annotation was computed. [2021-11-07 01:40:53,919 INFO L857 garLoopResultBuilder]: For program point L526-2(lines 526 534) no Hoare annotation was computed. [2021-11-07 01:40:53,919 INFO L857 garLoopResultBuilder]: For program point L923(lines 923 927) no Hoare annotation was computed. [2021-11-07 01:40:53,919 INFO L857 garLoopResultBuilder]: For program point L923-3(lines 923 927) no Hoare annotation was computed. [2021-11-07 01:40:53,919 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 731) no Hoare annotation was computed. [2021-11-07 01:40:53,919 INFO L857 garLoopResultBuilder]: For program point L923-6(lines 923 927) no Hoare annotation was computed. [2021-11-07 01:40:53,919 INFO L853 garLoopResultBuilder]: At program point L725-1(lines 725 731) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-11-07 01:40:53,920 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:40:53,920 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-11-07 01:40:53,920 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 830) no Hoare annotation was computed. [2021-11-07 01:40:53,920 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 803) no Hoare annotation was computed. [2021-11-07 01:40:53,920 INFO L857 garLoopResultBuilder]: For program point L826-1(lines 826 830) no Hoare annotation was computed. [2021-11-07 01:40:53,920 INFO L857 garLoopResultBuilder]: For program point L793-2(lines 793 803) no Hoare annotation was computed. [2021-11-07 01:40:53,921 INFO L857 garLoopResultBuilder]: For program point L793-4(lines 793 803) no Hoare annotation was computed. [2021-11-07 01:40:53,921 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 513) no Hoare annotation was computed. [2021-11-07 01:40:53,921 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 496 513) no Hoare annotation was computed. [2021-11-07 01:40:53,921 INFO L857 garLoopResultBuilder]: For program point L496-2(lines 496 513) no Hoare annotation was computed. [2021-11-07 01:40:53,921 INFO L857 garLoopResultBuilder]: For program point L496-3(lines 496 513) no Hoare annotation was computed. [2021-11-07 01:40:53,921 INFO L857 garLoopResultBuilder]: For program point L496-4(lines 496 513) no Hoare annotation was computed. [2021-11-07 01:40:53,921 INFO L857 garLoopResultBuilder]: For program point L496-5(lines 496 513) no Hoare annotation was computed. [2021-11-07 01:40:53,922 INFO L853 garLoopResultBuilder]: At program point L992(lines 987 995) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-11-07 01:40:53,922 INFO L853 garLoopResultBuilder]: At program point L992-1(lines 987 995) the Hoare annotation is: false [2021-11-07 01:40:53,922 INFO L853 garLoopResultBuilder]: At program point L992-2(lines 987 995) the Hoare annotation is: false [2021-11-07 01:40:53,922 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2021-11-07 01:40:53,922 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 800) no Hoare annotation was computed. [2021-11-07 01:40:53,923 INFO L857 garLoopResultBuilder]: For program point L794-4(lines 794 800) no Hoare annotation was computed. [2021-11-07 01:40:53,926 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:53,927 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:40:53,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:40:53 BoogieIcfgContainer [2021-11-07 01:40:53,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:40:53,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:40:53,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:40:53,953 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:40:53,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:40:29" (3/4) ... [2021-11-07 01:40:53,956 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:40:53,982 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:40:53,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:40:53,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:40:53,988 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:40:53,990 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:40:53,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:40:53,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:40:54,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:40:54,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:40:54,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) [2021-11-07 01:40:54,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:40:54,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:40:54,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-11-07 01:40:54,024 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-11-07 01:40:54,025 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:40:54,025 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:40:54,027 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:40:54,028 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-11-07 01:40:54,029 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result [2021-11-07 01:40:54,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:40:54,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:40:54,102 INFO L168 Benchmark]: Toolchain (without parser) took 27651.56 ms. Allocated memory was 69.2 MB in the beginning and 125.8 MB in the end (delta: 56.6 MB). Free memory was 52.3 MB in the beginning and 45.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:40:54,103 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 69.2 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:40:54,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.98 ms. Allocated memory is still 69.2 MB. Free memory was 52.1 MB in the beginning and 38.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:40:54,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.68 ms. Allocated memory is still 69.2 MB. Free memory was 38.0 MB in the beginning and 33.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:40:54,104 INFO L168 Benchmark]: Boogie Preprocessor took 128.19 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 33.3 MB in the beginning and 66.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:40:54,104 INFO L168 Benchmark]: RCFGBuilder took 2552.44 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 54.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:40:54,105 INFO L168 Benchmark]: TraceAbstraction took 23970.57 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 54.3 MB in the beginning and 61.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:40:54,105 INFO L168 Benchmark]: Witness Printer took 148.63 ms. Allocated memory is still 125.8 MB. Free memory was 61.7 MB in the beginning and 45.8 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:40:54,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 69.2 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 716.98 ms. Allocated memory is still 69.2 MB. Free memory was 52.1 MB in the beginning and 38.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.68 ms. Allocated memory is still 69.2 MB. Free memory was 38.0 MB in the beginning and 33.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 128.19 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 33.3 MB in the beginning and 66.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2552.44 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 54.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23970.57 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 54.3 MB in the beginning and 61.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. * Witness Printer took 148.63 ms. Allocated memory is still 125.8 MB. Free memory was 61.7 MB in the beginning and 45.8 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 23.8s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1607 SDtfs, 2148 SDslu, 3631 SDs, 0 SdLazy, 580 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1075 GetRequests, 1003 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=10, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 980 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 73 PreInvPairs, 171 NumberOfFragments, 633 HoareAnnotationTreeSize, 73 FomulaSimplifications, 446672 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 73 FomulaSimplificationsInter, 79331 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 522 NumberOfCodeBlocks, 522 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1018 ConstructedInterpolants, 0 QuantifiedInterpolants, 2000 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2899 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 104/128 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-11-07 01:40:54,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8f2993-8fcb-448a-98c8-17a47d550b48/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE