./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_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_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/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_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/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_da59dbea-10da-4b9f-8594-cd980c57321b/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 e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:57:43,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:57:43,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:57:43,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:57:43,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:57:43,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:57:43,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:57:43,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:57:43,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:57:43,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:57:43,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:57:43,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:57:43,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:57:43,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:57:43,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:57:43,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:57:43,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:57:43,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:57:43,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:57:43,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:57:43,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:57:43,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:57:43,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:57:43,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:57:43,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:57:43,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:57:43,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:57:43,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:57:43,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:57:43,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:57:43,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:57:43,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:57:43,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:57:43,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:57:43,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:57:43,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:57:43,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:57:43,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:57:43,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:57:43,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:57:43,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:57:43,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:57:43,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:57:43,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:57:43,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:57:43,831 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:57:43,831 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:57:43,831 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:57:43,832 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:57:43,832 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:57:43,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:57:43,833 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:57:43,833 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:57:43,834 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:57:43,834 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:57:43,834 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:57:43,835 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:57:43,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:57:43,836 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:57:43,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:57:43,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:57:43,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:57:43,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:57:43,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:57:43,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:57:43,838 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:57:43,839 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:57:43,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:57:43,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:57:43,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:57:43,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:57:43,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:57:43,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:57:43,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:57:43,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:57:43,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:57:43,842 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:57:43,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:57:43,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:57:43,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:57:43,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:57:43,844 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_da59dbea-10da-4b9f-8594-cd980c57321b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b [2021-11-07 01:57:44,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:57:44,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:57:44,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:57:44,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:57:44,166 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:57:44,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-11-07 01:57:44,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data/4384feba7/343a768462804082b6040089b4f57e8e/FLAG176b4aaf4 [2021-11-07 01:57:44,969 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:57:44,969 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-11-07 01:57:44,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data/4384feba7/343a768462804082b6040089b4f57e8e/FLAG176b4aaf4 [2021-11-07 01:57:45,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data/4384feba7/343a768462804082b6040089b4f57e8e [2021-11-07 01:57:45,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:57:45,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:57:45,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:57:45,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:57:45,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:57:45,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:45" (1/1) ... [2021-11-07 01:57:45,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144c1003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:45, skipping insertion in model container [2021-11-07 01:57:45,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:45" (1/1) ... [2021-11-07 01:57:45,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:57:45,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:57:45,869 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_da59dbea-10da-4b9f-8594-cd980c57321b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-11-07 01:57:45,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:57:45,926 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 01:57:45,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18ef9d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:45, skipping insertion in model container [2021-11-07 01:57:45,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:57:45,940 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:57:45,943 INFO L168 Benchmark]: Toolchain (without parser) took 700.70 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 44.2 MB in the beginning and 79.6 MB in the end (delta: -35.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:57:45,944 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory is still 42.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:57:45,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.88 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 43.9 MB in the beginning and 79.6 MB in the end (delta: -35.6 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:57:45,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory is still 42.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 682.88 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 43.9 MB in the beginning and 79.6 MB in the end (delta: -35.6 MB). Peak memory consumption was 8.3 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_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/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_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/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_da59dbea-10da-4b9f-8594-cd980c57321b/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 e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:57:48,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:57:48,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:57:48,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:57:48,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:57:48,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:57:48,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:57:48,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:57:48,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:57:48,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:57:48,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:57:48,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:57:48,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:57:48,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:57:48,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:57:48,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:57:48,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:57:48,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:57:48,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:57:48,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:57:48,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:57:48,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:57:48,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:57:48,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:57:48,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:57:48,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:57:48,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:57:48,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:57:48,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:57:48,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:57:48,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:57:48,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:57:48,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:57:48,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:57:48,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:57:48,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:57:48,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:57:48,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:57:48,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:57:48,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:57:48,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:57:48,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:57:48,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:57:48,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:57:48,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:57:48,927 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:57:48,928 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:57:48,928 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:57:48,928 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:57:48,928 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:57:48,929 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:57:48,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:57:48,932 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:57:48,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:57:48,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:57:48,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:57:48,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:57:48,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:57:48,933 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:57:48,934 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:57:48,934 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:57:48,934 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:57:48,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:57:48,935 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:57:48,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:57:48,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:57:48,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:57:48,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:57:48,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:57:48,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:57:48,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:57:48,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:57:48,937 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:57:48,937 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:57:48,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:57:48,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:57:48,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:57:48,938 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_da59dbea-10da-4b9f-8594-cd980c57321b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b [2021-11-07 01:57:49,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:57:49,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:57:49,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:57:49,434 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:57:49,435 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:57:49,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-11-07 01:57:49,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data/e6c71e2d3/e81f415fac63474ca0722546d4631e26/FLAG8e5a2354a [2021-11-07 01:57:50,308 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:57:50,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-11-07 01:57:50,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data/e6c71e2d3/e81f415fac63474ca0722546d4631e26/FLAG8e5a2354a [2021-11-07 01:57:50,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/data/e6c71e2d3/e81f415fac63474ca0722546d4631e26 [2021-11-07 01:57:50,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:57:50,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:57:50,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:57:50,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:57:50,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:57:50,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:50" (1/1) ... [2021-11-07 01:57:50,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1196b5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:50, skipping insertion in model container [2021-11-07 01:57:50,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:50" (1/1) ... [2021-11-07 01:57:50,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:57:50,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:57:50,997 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_da59dbea-10da-4b9f-8594-cd980c57321b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-11-07 01:57:51,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:57:51,108 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:57:51,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:57:51,256 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_da59dbea-10da-4b9f-8594-cd980c57321b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-11-07 01:57:51,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:57:51,292 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:57:51,392 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_da59dbea-10da-4b9f-8594-cd980c57321b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-11-07 01:57:51,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:57:51,429 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:57:51,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51 WrapperNode [2021-11-07 01:57:51,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:57:51,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:57:51,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:57:51,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:57:51,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:57:51,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:57:51,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:57:51,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:57:51,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:57:51,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:57:51,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:57:51,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:57:51,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (1/1) ... [2021-11-07 01:57:51,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:57:51,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:57:51,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:57:51,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:57:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:57:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:57:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:57:51,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:57:54,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:57:54,864 INFO L299 CfgBuilder]: Removed 276 assume(true) statements. [2021-11-07 01:57:54,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:57:54 BoogieIcfgContainer [2021-11-07 01:57:54,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:57:54,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:57:54,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:57:54,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:57:54,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:57:50" (1/3) ... [2021-11-07 01:57:54,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f0d6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:57:54, skipping insertion in model container [2021-11-07 01:57:54,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:51" (2/3) ... [2021-11-07 01:57:54,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f0d6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:57:54, skipping insertion in model container [2021-11-07 01:57:54,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:57:54" (3/3) ... [2021-11-07 01:57:54,881 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2021-11-07 01:57:54,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:57:54,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:57:54,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:57:54,982 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 01:57:54,982 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:57:55,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 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 01:57:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:57:55,039 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:55,040 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:57:55,041 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 01:57:55,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:55,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2021-11-07 01:57:55,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:55,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575162784] [2021-11-07 01:57:55,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:55,074 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:55,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:55,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:55,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:57:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:55,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:57:55,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:55,460 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 01:57:55,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:55,556 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 01:57:55,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:55,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575162784] [2021-11-07 01:57:55,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575162784] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:55,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:55,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:57:55,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238519113] [2021-11-07 01:57:55,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:57:55,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:55,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:57:55,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:57:55,598 INFO L87 Difference]: Start difference. First operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:55,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:55,678 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-11-07 01:57:55,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:57:55,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:57:55,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:55,702 INFO L225 Difference]: With dead ends: 372 [2021-11-07 01:57:55,703 INFO L226 Difference]: Without dead ends: 185 [2021-11-07 01:57:55,708 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:57:55,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-11-07 01:57:55,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-11-07 01:57:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 182 states have (on average 1.5164835164835164) internal successors, (276), 184 states have internal predecessors, (276), 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 01:57:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-11-07 01:57:55,766 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-11-07 01:57:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:55,766 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-11-07 01:57:55,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-11-07 01:57:55,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:57:55,769 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:55,769 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:57:55,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:55,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:55,984 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 01:57:55,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:55,985 INFO L85 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2021-11-07 01:57:55,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:55,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371705108] [2021-11-07 01:57:55,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:55,987 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:55,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:55,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:56,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:57:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:56,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:57:56,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:56,344 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 01:57:56,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:56,421 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 01:57:56,422 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:56,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371705108] [2021-11-07 01:57:56,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371705108] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:56,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:56,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:57:56,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090408902] [2021-11-07 01:57:56,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:57:56,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:56,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:57:56,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:57:56,431 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:56,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:56,474 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-11-07 01:57:56,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:57:56,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:57:56,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:56,479 INFO L225 Difference]: With dead ends: 185 [2021-11-07 01:57:56,480 INFO L226 Difference]: Without dead ends: 71 [2021-11-07 01:57:56,483 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:57:56,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-07 01:57:56,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-07 01:57:56,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 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 01:57:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-11-07 01:57:56,499 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-11-07 01:57:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:56,500 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-11-07 01:57:56,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-11-07 01:57:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:57:56,503 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:56,509 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:57:56,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:56,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:56,725 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 01:57:56,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:56,725 INFO L85 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2021-11-07 01:57:56,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:56,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293758970] [2021-11-07 01:57:56,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:56,727 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:56,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:56,735 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:56,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:57:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:56,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:57:56,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:57,106 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 01:57:57,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:57,215 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 01:57:57,216 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:57,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293758970] [2021-11-07 01:57:57,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1293758970] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:57,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:57,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:57:57,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433498543] [2021-11-07 01:57:57,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:57:57,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:57,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:57:57,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:57:57,219 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:57,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:57,229 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-11-07 01:57:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:57:57,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:57:57,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:57,231 INFO L225 Difference]: With dead ends: 136 [2021-11-07 01:57:57,232 INFO L226 Difference]: Without dead ends: 71 [2021-11-07 01:57:57,232 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:57:57,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-07 01:57:57,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-07 01:57:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4857142857142858) internal successors, (104), 70 states have internal predecessors, (104), 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 01:57:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-11-07 01:57:57,242 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-11-07 01:57:57,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:57,242 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-11-07 01:57:57,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-11-07 01:57:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:57:57,244 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:57,244 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] [2021-11-07 01:57:57,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:57,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:57,461 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 01:57:57,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:57,462 INFO L85 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2021-11-07 01:57:57,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:57,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539686601] [2021-11-07 01:57:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:57,464 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:57,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:57,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:57,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:57:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:57,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:57:57,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:57,885 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 01:57:57,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:57,994 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 01:57:57,995 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:57,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539686601] [2021-11-07 01:57:57,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539686601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:57,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:57,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:57:57,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205342557] [2021-11-07 01:57:57,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:57:57,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:57,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:57:57,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:57:57,998 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:58,086 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-11-07 01:57:58,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:57:58,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:57:58,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:58,088 INFO L225 Difference]: With dead ends: 145 [2021-11-07 01:57:58,089 INFO L226 Difference]: Without dead ends: 80 [2021-11-07 01:57:58,091 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 01:57:58,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-07 01:57:58,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-11-07 01:57:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 77 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 01:57:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-11-07 01:57:58,108 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-11-07 01:57:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:58,108 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-11-07 01:57:58,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:57:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-11-07 01:57:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:57:58,110 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:58,110 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] [2021-11-07 01:57:58,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:58,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:58,311 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 01:57:58,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:58,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2021-11-07 01:57:58,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:58,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167276600] [2021-11-07 01:57:58,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:58,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:58,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:58,315 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:58,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:57:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:58,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:57:58,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:58,727 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 01:57:58,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:58,825 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 01:57:58,826 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:58,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167276600] [2021-11-07 01:57:58,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167276600] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:58,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:58,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:57:58,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927266618] [2021-11-07 01:57:58,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:57:58,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:58,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:57:58,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:57:58,838 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 01:57:58,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:57:58,965 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-11-07 01:57:58,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:57:58,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 31 [2021-11-07 01:57:58,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:57:58,968 INFO L225 Difference]: With dead ends: 204 [2021-11-07 01:57:58,968 INFO L226 Difference]: Without dead ends: 132 [2021-11-07 01:57:58,969 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 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 01:57:58,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-07 01:57:58,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-11-07 01:57:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 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 01:57:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-11-07 01:57:58,993 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-11-07 01:57:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:57:58,994 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-11-07 01:57:58,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 01:57:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-11-07 01:57:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:57:58,996 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:57:58,996 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] [2021-11-07 01:57:59,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:57:59,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:57:59,211 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 01:57:59,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:57:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2021-11-07 01:57:59,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:57:59,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653249766] [2021-11-07 01:57:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:57:59,214 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:57:59,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:57:59,215 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:57:59,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:57:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:57:59,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:57:59,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:59,676 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 01:57:59,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:57:59,851 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 01:57:59,851 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:57:59,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653249766] [2021-11-07 01:57:59,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653249766] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:57:59,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:57:59,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:57:59,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328201135] [2021-11-07 01:57:59,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:57:59,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:57:59,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:57:59,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:57:59,859 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 01:58:00,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:00,285 INFO L93 Difference]: Finished difference Result 673 states and 940 transitions. [2021-11-07 01:58:00,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:58:00,286 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 31 [2021-11-07 01:58:00,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:00,291 INFO L225 Difference]: With dead ends: 673 [2021-11-07 01:58:00,291 INFO L226 Difference]: Without dead ends: 592 [2021-11-07 01:58:00,293 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:58:00,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-11-07 01:58:00,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2021-11-07 01:58:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3596059113300492) internal successors, (276), 203 states have internal predecessors, (276), 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 01:58:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2021-11-07 01:58:00,326 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 31 [2021-11-07 01:58:00,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:00,326 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2021-11-07 01:58:00,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 01:58:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2021-11-07 01:58:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:58:00,330 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:00,330 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:58:00,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:00,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:00,531 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 01:58:00,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:00,532 INFO L85 PathProgramCache]: Analyzing trace with hash -568007825, now seen corresponding path program 1 times [2021-11-07 01:58:00,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:00,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065685865] [2021-11-07 01:58:00,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:00,539 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:00,540 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:00,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:58:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:00,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:58:00,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:58:00,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:58:01,138 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:01,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065685865] [2021-11-07 01:58:01,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065685865] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:01,138 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:01,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:58:01,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851674299] [2021-11-07 01:58:01,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:58:01,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:01,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:58:01,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:58:01,140 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 01:58:01,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:01,249 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2021-11-07 01:58:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:58:01,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 49 [2021-11-07 01:58:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:01,254 INFO L225 Difference]: With dead ends: 476 [2021-11-07 01:58:01,254 INFO L226 Difference]: Without dead ends: 278 [2021-11-07 01:58:01,255 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 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 01:58:01,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-11-07 01:58:01,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 182. [2021-11-07 01:58:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3259668508287292) internal successors, (240), 181 states have internal predecessors, (240), 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 01:58:01,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2021-11-07 01:58:01,282 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 49 [2021-11-07 01:58:01,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:01,282 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2021-11-07 01:58:01,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 01:58:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2021-11-07 01:58:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:58:01,293 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:01,294 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:58:01,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:01,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:01,515 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 01:58:01,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:01,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1384539631, now seen corresponding path program 1 times [2021-11-07 01:58:01,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:01,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921055479] [2021-11-07 01:58:01,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:01,517 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:01,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:01,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:01,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:58:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:01,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:58:01,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:58:02,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:58:02,333 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:02,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [921055479] [2021-11-07 01:58:02,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [921055479] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:02,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:02,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:58:02,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650576810] [2021-11-07 01:58:02,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:58:02,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:02,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:58:02,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:58:02,335 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:02,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:02,531 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2021-11-07 01:58:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:58:02,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-07 01:58:02,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:02,537 INFO L225 Difference]: With dead ends: 872 [2021-11-07 01:58:02,537 INFO L226 Difference]: Without dead ends: 696 [2021-11-07 01:58:02,538 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:58:02,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-11-07 01:58:02,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2021-11-07 01:58:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3126760563380282) internal successors, (466), 355 states have internal predecessors, (466), 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 01:58:02,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2021-11-07 01:58:02,602 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2021-11-07 01:58:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:02,602 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2021-11-07 01:58:02,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2021-11-07 01:58:02,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:58:02,604 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:02,605 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:58:02,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:02,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:02,820 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 01:58:02,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:02,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1234394969, now seen corresponding path program 1 times [2021-11-07 01:58:02,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:02,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885606718] [2021-11-07 01:58:02,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:02,822 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:02,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:02,823 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:02,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:58:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:03,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:58:03,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:03,394 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:03,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:03,669 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:03,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885606718] [2021-11-07 01:58:03,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885606718] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:58:03,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [156925442] [2021-11-07 01:58:03,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:03,670 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:58:03,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:58:03,677 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:58:03,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 01:58:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:04,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:58:04,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:58:04,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:04,495 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:58:04,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [156925442] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:04,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:58:04,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-11-07 01:58:04,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473510258] [2021-11-07 01:58:04,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:58:04,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:04,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:58:04,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:58:04,497 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 01:58:04,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:04,836 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2021-11-07 01:58:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:58:04,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 51 [2021-11-07 01:58:04,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:04,844 INFO L225 Difference]: With dead ends: 962 [2021-11-07 01:58:04,844 INFO L226 Difference]: Without dead ends: 960 [2021-11-07 01:58:04,845 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:58:04,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-11-07 01:58:04,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2021-11-07 01:58:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3070422535211268) internal successors, (464), 355 states have internal predecessors, (464), 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 01:58:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2021-11-07 01:58:04,916 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2021-11-07 01:58:04,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:04,917 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2021-11-07 01:58:04,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 01:58:04,918 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2021-11-07 01:58:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 01:58:04,919 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:04,920 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:58:04,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:05,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:05,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:05,333 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 01:58:05,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:05,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1017395360, now seen corresponding path program 1 times [2021-11-07 01:58:05,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:05,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603274119] [2021-11-07 01:58:05,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:05,335 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:05,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:05,336 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:05,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:58:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:05,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:58:05,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:06,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:06,370 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:06,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603274119] [2021-11-07 01:58:06,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603274119] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:58:06,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1746193113] [2021-11-07 01:58:06,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:06,371 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:58:06,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:58:06,376 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:58:06,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 01:58:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:06,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:58:06,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:07,192 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:07,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:07,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1746193113] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:58:07,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335174360] [2021-11-07 01:58:07,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:07,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:58:07,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:58:07,473 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:58:07,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:58:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:07,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:58:07,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:08,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:08,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335174360] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:58:08,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:58:08,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-11-07 01:58:08,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878829153] [2021-11-07 01:58:08,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:58:08,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:08,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:58:08,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:58:08,489 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:14,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:14,785 INFO L93 Difference]: Finished difference Result 4555 states and 5988 transitions. [2021-11-07 01:58:14,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 01:58:14,786 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-07 01:58:14,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:14,816 INFO L225 Difference]: With dead ends: 4555 [2021-11-07 01:58:14,817 INFO L226 Difference]: Without dead ends: 4255 [2021-11-07 01:58:14,821 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2043 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-11-07 01:58:14,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4255 states. [2021-11-07 01:58:14,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4255 to 640. [2021-11-07 01:58:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 639 states have (on average 1.3176838810641627) internal successors, (842), 639 states have internal predecessors, (842), 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 01:58:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 842 transitions. [2021-11-07 01:58:14,986 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 842 transitions. Word has length 57 [2021-11-07 01:58:14,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:14,987 INFO L470 AbstractCegarLoop]: Abstraction has 640 states and 842 transitions. [2021-11-07 01:58:14,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 842 transitions. [2021-11-07 01:58:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 01:58:14,990 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:14,990 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:58:14,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:15,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:15,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:15,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:15,599 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 01:58:15,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:15,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1442925699, now seen corresponding path program 1 times [2021-11-07 01:58:15,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:15,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707352196] [2021-11-07 01:58:15,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:15,600 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:15,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:15,601 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:15,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:58:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:16,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:58:16,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:58:16,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:16,550 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:58:16,550 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:16,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707352196] [2021-11-07 01:58:16,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707352196] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:16,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:16,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:58:16,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766374337] [2021-11-07 01:58:16,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:58:16,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:16,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:58:16,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:58:16,553 INFO L87 Difference]: Start difference. First operand 640 states and 842 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 01:58:16,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:16,697 INFO L93 Difference]: Finished difference Result 1030 states and 1326 transitions. [2021-11-07 01:58:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:58:16,698 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 82 [2021-11-07 01:58:16,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:16,699 INFO L225 Difference]: With dead ends: 1030 [2021-11-07 01:58:16,699 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:58:16,701 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 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 01:58:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:58:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:58:16,702 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 01:58:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:58:16,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-11-07 01:58:16,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:16,703 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:58:16,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 01:58:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:58:16,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:58:16,706 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:58:16,707 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:58:16,708 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:58:16,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:16,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:16,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:58:16,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:16,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:16,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:16,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:16,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:16,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:17,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:18,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:19,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:20,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:58:28,486 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-11-07 01:58:28,487 INFO L853 garLoopResultBuilder]: At program point L630(lines 623 633) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-11-07 01:58:28,488 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 623 633) the Hoare annotation is: false [2021-11-07 01:58:28,488 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 572) no Hoare annotation was computed. [2021-11-07 01:58:28,489 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 623 633) the Hoare annotation is: false [2021-11-07 01:58:28,490 INFO L857 garLoopResultBuilder]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2021-11-07 01:58:28,490 INFO L857 garLoopResultBuilder]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2021-11-07 01:58:28,490 INFO L857 garLoopResultBuilder]: For program point L564-3(lines 564 572) no Hoare annotation was computed. [2021-11-07 01:58:28,490 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-11-07 01:58:28,490 INFO L857 garLoopResultBuilder]: For program point L564-4(lines 564 572) no Hoare annotation was computed. [2021-11-07 01:58:28,491 INFO L857 garLoopResultBuilder]: For program point L564-5(lines 564 572) no Hoare annotation was computed. [2021-11-07 01:58:28,491 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 800) no Hoare annotation was computed. [2021-11-07 01:58:28,491 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-11-07 01:58:28,491 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 502 508) no Hoare annotation was computed. [2021-11-07 01:58:28,491 INFO L853 garLoopResultBuilder]: At program point L864(lines 859 867) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-11-07 01:58:28,492 INFO L853 garLoopResultBuilder]: At program point L864-1(lines 859 867) the Hoare annotation is: false [2021-11-07 01:58:28,492 INFO L853 garLoopResultBuilder]: At program point L864-2(lines 859 867) the Hoare annotation is: false [2021-11-07 01:58:28,495 INFO L853 garLoopResultBuilder]: At program point L864-3(lines 859 867) the Hoare annotation is: false [2021-11-07 01:58:28,495 INFO L853 garLoopResultBuilder]: At program point L864-4(lines 859 867) the Hoare annotation is: false [2021-11-07 01:58:28,495 INFO L853 garLoopResultBuilder]: At program point L864-5(lines 859 867) the Hoare annotation is: false [2021-11-07 01:58:28,496 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,497 INFO L857 garLoopResultBuilder]: For program point L534-1(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,497 INFO L857 garLoopResultBuilder]: For program point L534-2(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,497 INFO L857 garLoopResultBuilder]: For program point L534-3(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,497 INFO L857 garLoopResultBuilder]: For program point L534-4(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,497 INFO L857 garLoopResultBuilder]: For program point L534-5(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,498 INFO L857 garLoopResultBuilder]: For program point L534-6(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,499 INFO L857 garLoopResultBuilder]: For program point L534-7(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,500 INFO L857 garLoopResultBuilder]: For program point L534-8(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,500 INFO L857 garLoopResultBuilder]: For program point L534-9(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,500 INFO L857 garLoopResultBuilder]: For program point L534-10(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,500 INFO L857 garLoopResultBuilder]: For program point L534-11(lines 534 551) no Hoare annotation was computed. [2021-11-07 01:58:28,501 INFO L853 garLoopResultBuilder]: At program point L502(lines 501 520) 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 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse1 .cse3 .cse2))) [2021-11-07 01:58:28,501 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 502 508) no Hoare annotation was computed. [2021-11-07 01:58:28,501 INFO L853 garLoopResultBuilder]: At program point L502-2(lines 501 520) the Hoare annotation is: false [2021-11-07 01:58:28,502 INFO L853 garLoopResultBuilder]: At program point L502-3(lines 501 520) the Hoare annotation is: false [2021-11-07 01:58:28,502 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,503 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,503 INFO L857 garLoopResultBuilder]: For program point L538-2(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,503 INFO L857 garLoopResultBuilder]: For program point L538-3(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,503 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-11-07 01:58:28,505 INFO L857 garLoopResultBuilder]: For program point L538-4(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,506 INFO L857 garLoopResultBuilder]: For program point L538-5(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,506 INFO L857 garLoopResultBuilder]: For program point L538-6(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,506 INFO L857 garLoopResultBuilder]: For program point L538-7(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,506 INFO L857 garLoopResultBuilder]: For program point L538-8(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,506 INFO L857 garLoopResultBuilder]: For program point L538-9(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,507 INFO L857 garLoopResultBuilder]: For program point L538-10(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,507 INFO L857 garLoopResultBuilder]: For program point L538-11(lines 538 546) no Hoare annotation was computed. [2021-11-07 01:58:28,507 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2021-11-07 01:58:28,507 INFO L853 garLoopResultBuilder]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse4))) [2021-11-07 01:58:28,507 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: false [2021-11-07 01:58:28,508 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: false [2021-11-07 01:58:28,508 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2021-11-07 01:58:28,508 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 776) no Hoare annotation was computed. [2021-11-07 01:58:28,508 INFO L857 garLoopResultBuilder]: For program point L772-3(lines 772 776) no Hoare annotation was computed. [2021-11-07 01:58:28,508 INFO L857 garLoopResultBuilder]: For program point L772-6(lines 772 776) no Hoare annotation was computed. [2021-11-07 01:58:28,509 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,509 INFO L857 garLoopResultBuilder]: For program point L707-2(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,509 INFO L857 garLoopResultBuilder]: For program point L707-3(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,509 INFO L857 garLoopResultBuilder]: For program point L707-5(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,509 INFO L853 garLoopResultBuilder]: At program point L509(lines 509 515) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse3) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1))) [2021-11-07 01:58:28,509 INFO L857 garLoopResultBuilder]: For program point L707-6(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,510 INFO L853 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2021-11-07 01:58:28,510 INFO L853 garLoopResultBuilder]: At program point L509-1(lines 509 515) the Hoare annotation is: false [2021-11-07 01:58:28,510 INFO L857 garLoopResultBuilder]: For program point L707-8(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,510 INFO L853 garLoopResultBuilder]: At program point L509-2(lines 509 515) the Hoare annotation is: false [2021-11-07 01:58:28,511 INFO L857 garLoopResultBuilder]: For program point L707-9(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,511 INFO L857 garLoopResultBuilder]: For program point L707-11(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,511 INFO L857 garLoopResultBuilder]: For program point L707-12(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,512 INFO L857 garLoopResultBuilder]: For program point L707-14(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,512 INFO L857 garLoopResultBuilder]: For program point L707-15(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,512 INFO L857 garLoopResultBuilder]: For program point L707-17(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:58:28,513 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-11-07 01:58:28,513 INFO L857 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2021-11-07 01:58:28,513 INFO L853 garLoopResultBuilder]: At program point L841(lines 836 844) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-11-07 01:58:28,513 INFO L853 garLoopResultBuilder]: At program point L841-1(lines 836 844) the Hoare annotation is: false [2021-11-07 01:58:28,513 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 836 844) the Hoare annotation is: false [2021-11-07 01:58:28,514 INFO L853 garLoopResultBuilder]: At program point L809(lines 804 812) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-11-07 01:58:28,514 INFO L853 garLoopResultBuilder]: At program point L809-1(lines 804 812) the Hoare annotation is: false [2021-11-07 01:58:28,514 INFO L853 garLoopResultBuilder]: At program point L743(lines 1 989) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:58:28,514 INFO L853 garLoopResultBuilder]: At program point L809-2(lines 804 812) the Hoare annotation is: false [2021-11-07 01:58:28,514 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-11-07 01:58:28,515 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 890) no Hoare annotation was computed. [2021-11-07 01:58:28,515 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 502 508) no Hoare annotation was computed. [2021-11-07 01:58:28,515 INFO L853 garLoopResultBuilder]: At program point L877-1(lines 1 989) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))))) [2021-11-07 01:58:28,515 INFO L857 garLoopResultBuilder]: For program point L877-2(lines 877 890) no Hoare annotation was computed. [2021-11-07 01:58:28,515 INFO L853 garLoopResultBuilder]: At program point L877-3(lines 1 989) the Hoare annotation is: false [2021-11-07 01:58:28,516 INFO L857 garLoopResultBuilder]: For program point L877-4(lines 877 890) no Hoare annotation was computed. [2021-11-07 01:58:28,516 INFO L853 garLoopResultBuilder]: At program point L877-5(lines 1 989) the Hoare annotation is: false [2021-11-07 01:58:28,516 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2021-11-07 01:58:28,517 INFO L860 garLoopResultBuilder]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2021-11-07 01:58:28,517 INFO L853 garLoopResultBuilder]: At program point L713(lines 698 716) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) [2021-11-07 01:58:28,517 INFO L853 garLoopResultBuilder]: At program point L713-1(lines 698 716) the Hoare annotation is: false [2021-11-07 01:58:28,517 INFO L853 garLoopResultBuilder]: At program point L713-2(lines 698 716) the Hoare annotation is: false [2021-11-07 01:58:28,518 INFO L853 garLoopResultBuilder]: At program point L713-3(lines 698 716) the Hoare annotation is: false [2021-11-07 01:58:28,518 INFO L853 garLoopResultBuilder]: At program point L713-4(lines 698 716) the Hoare annotation is: false [2021-11-07 01:58:28,518 INFO L853 garLoopResultBuilder]: At program point L713-5(lines 698 716) the Hoare annotation is: false [2021-11-07 01:58:28,518 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:58:28,518 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-11-07 01:58:28,518 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 450 456) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-11-07 01:58:28,519 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2021-11-07 01:58:28,520 INFO L857 garLoopResultBuilder]: For program point L881-2(lines 881 887) no Hoare annotation was computed. [2021-11-07 01:58:28,520 INFO L857 garLoopResultBuilder]: For program point L881-4(lines 881 887) no Hoare annotation was computed. [2021-11-07 01:58:28,520 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,520 INFO L857 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,520 INFO L857 garLoopResultBuilder]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,521 INFO L857 garLoopResultBuilder]: For program point L849-3(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,521 INFO L857 garLoopResultBuilder]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,522 INFO L857 garLoopResultBuilder]: For program point L849-5(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,522 INFO L857 garLoopResultBuilder]: For program point L849-6(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,522 INFO L857 garLoopResultBuilder]: For program point L849-7(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,522 INFO L857 garLoopResultBuilder]: For program point L849-8(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,522 INFO L857 garLoopResultBuilder]: For program point L849-9(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,522 INFO L857 garLoopResultBuilder]: For program point L849-10(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,523 INFO L857 garLoopResultBuilder]: For program point L849-11(lines 849 855) no Hoare annotation was computed. [2021-11-07 01:58:28,523 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 788) no Hoare annotation was computed. [2021-11-07 01:58:28,523 INFO L853 garLoopResultBuilder]: At program point L751(lines 746 754) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:58:28,523 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 603) no Hoare annotation was computed. [2021-11-07 01:58:28,523 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 586 603) no Hoare annotation was computed. [2021-11-07 01:58:28,524 INFO L857 garLoopResultBuilder]: For program point L586-2(lines 586 603) no Hoare annotation was computed. [2021-11-07 01:58:28,524 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:58:28,524 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,524 INFO L857 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,524 INFO L857 garLoopResultBuilder]: For program point L688-3(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,524 INFO L857 garLoopResultBuilder]: For program point L688-5(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,525 INFO L857 garLoopResultBuilder]: For program point L688-6(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,525 INFO L857 garLoopResultBuilder]: For program point L688-8(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,525 INFO L857 garLoopResultBuilder]: For program point L688-9(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,525 INFO L857 garLoopResultBuilder]: For program point L688-11(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,525 INFO L857 garLoopResultBuilder]: For program point L688-12(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,525 INFO L857 garLoopResultBuilder]: For program point L688-14(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,526 INFO L857 garLoopResultBuilder]: For program point L688-15(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,526 INFO L857 garLoopResultBuilder]: For program point L688-17(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,526 INFO L857 garLoopResultBuilder]: For program point L688-18(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,526 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:58:28,526 INFO L857 garLoopResultBuilder]: For program point L688-20(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,526 INFO L857 garLoopResultBuilder]: For program point L688-21(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,527 INFO L860 garLoopResultBuilder]: At program point L986(lines 967 989) the Hoare annotation is: true [2021-11-07 01:58:28,527 INFO L857 garLoopResultBuilder]: For program point L688-23(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,527 INFO L857 garLoopResultBuilder]: For program point L688-24(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,527 INFO L853 garLoopResultBuilder]: At program point L854(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,527 INFO L857 garLoopResultBuilder]: For program point L688-26(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,528 INFO L853 garLoopResultBuilder]: At program point L854-1(lines 845 858) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:58:28,528 INFO L857 garLoopResultBuilder]: For program point L688-27(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,528 INFO L853 garLoopResultBuilder]: At program point L854-2(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,528 INFO L853 garLoopResultBuilder]: At program point L854-3(lines 845 858) 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 01:58:28,528 INFO L857 garLoopResultBuilder]: For program point L688-29(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,529 INFO L853 garLoopResultBuilder]: At program point L854-4(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,529 INFO L857 garLoopResultBuilder]: For program point L688-30(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,529 INFO L853 garLoopResultBuilder]: At program point L854-5(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,529 INFO L853 garLoopResultBuilder]: At program point L854-6(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,529 INFO L857 garLoopResultBuilder]: For program point L688-32(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,529 INFO L853 garLoopResultBuilder]: At program point L854-7(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,530 INFO L857 garLoopResultBuilder]: For program point L688-33(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,530 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 598) no Hoare annotation was computed. [2021-11-07 01:58:28,530 INFO L853 garLoopResultBuilder]: At program point L854-8(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,530 INFO L857 garLoopResultBuilder]: For program point L590-1(lines 590 598) no Hoare annotation was computed. [2021-11-07 01:58:28,530 INFO L853 garLoopResultBuilder]: At program point L854-9(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,530 INFO L857 garLoopResultBuilder]: For program point L688-35(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:58:28,531 INFO L857 garLoopResultBuilder]: For program point L590-2(lines 590 598) no Hoare annotation was computed. [2021-11-07 01:58:28,531 INFO L853 garLoopResultBuilder]: At program point L854-10(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,531 INFO L853 garLoopResultBuilder]: At program point L854-11(lines 845 858) the Hoare annotation is: false [2021-11-07 01:58:28,531 INFO L853 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:58:28,531 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2021-11-07 01:58:28,532 INFO L857 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2021-11-07 01:58:28,532 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2021-11-07 01:58:28,532 INFO L857 garLoopResultBuilder]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2021-11-07 01:58:28,532 INFO L857 garLoopResultBuilder]: For program point L560-3(lines 560 577) no Hoare annotation was computed. [2021-11-07 01:58:28,532 INFO L857 garLoopResultBuilder]: For program point L560-4(lines 560 577) no Hoare annotation was computed. [2021-11-07 01:58:28,532 INFO L857 garLoopResultBuilder]: For program point L560-5(lines 560 577) no Hoare annotation was computed. [2021-11-07 01:58:28,533 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:58:28,533 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-11-07 01:58:28,533 INFO L857 garLoopResultBuilder]: For program point L760(line 760) no Hoare annotation was computed. [2021-11-07 01:58:28,533 INFO L857 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2021-11-07 01:58:28,533 INFO L853 garLoopResultBuilder]: At program point L694(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,533 INFO L857 garLoopResultBuilder]: For program point L760-2(line 760) no Hoare annotation was computed. [2021-11-07 01:58:28,534 INFO L853 garLoopResultBuilder]: At program point L694-1(lines 679 697) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) [2021-11-07 01:58:28,534 INFO L853 garLoopResultBuilder]: At program point L694-2(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,534 INFO L853 garLoopResultBuilder]: At program point L694-3(lines 679 697) 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|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))))) [2021-11-07 01:58:28,534 INFO L853 garLoopResultBuilder]: At program point L694-4(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,535 INFO L853 garLoopResultBuilder]: At program point L694-5(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,535 INFO L853 garLoopResultBuilder]: At program point L694-6(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,535 INFO L853 garLoopResultBuilder]: At program point L694-7(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,535 INFO L853 garLoopResultBuilder]: At program point L694-8(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,535 INFO L853 garLoopResultBuilder]: At program point L694-9(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,535 INFO L853 garLoopResultBuilder]: At program point L694-10(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,536 INFO L853 garLoopResultBuilder]: At program point L694-11(lines 679 697) the Hoare annotation is: false [2021-11-07 01:58:28,536 INFO L857 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2021-11-07 01:58:28,542 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:58:28,545 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:58:28,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:58:28 BoogieIcfgContainer [2021-11-07 01:58:28,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:58:28,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:58:28,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:58:28,610 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:58:28,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:57:54" (3/4) ... [2021-11-07 01:58:28,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:58:28,657 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:58:28,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:58:28,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:58:28,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:58:28,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:58:28,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:58:28,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:58:28,714 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(tmp == 0bv32)) [2021-11-07 01:58:28,715 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:58:28,716 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:58:28,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:58:28,718 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) [2021-11-07 01:58:28,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:58:28,722 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) [2021-11-07 01:58:28,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) [2021-11-07 01:58:28,731 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 01:58:28,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) [2021-11-07 01:58:28,736 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) [2021-11-07 01:58:28,737 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning [2021-11-07 01:58:28,737 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(tmp == 0bv32)) && tmp == 0bv32 [2021-11-07 01:58:28,737 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && tmp == 1bv32 [2021-11-07 01:58:28,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:58:28,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:58:28,846 INFO L168 Benchmark]: Toolchain (without parser) took 38317.33 ms. Allocated memory was 75.5 MB in the beginning and 207.6 MB in the end (delta: 132.1 MB). Free memory was 50.8 MB in the beginning and 100.4 MB in the end (delta: -49.6 MB). Peak memory consumption was 83.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:28,847 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:58:28,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.63 ms. Allocated memory is still 75.5 MB. Free memory was 50.7 MB in the beginning and 45.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:28,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.81 ms. Allocated memory is still 75.5 MB. Free memory was 45.1 MB in the beginning and 40.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:28,849 INFO L168 Benchmark]: Boogie Preprocessor took 90.30 ms. Allocated memory is still 75.5 MB. Free memory was 40.3 MB in the beginning and 55.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:28,849 INFO L168 Benchmark]: RCFGBuilder took 3240.52 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 55.0 MB in the beginning and 64.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:28,850 INFO L168 Benchmark]: TraceAbstraction took 33737.16 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 64.7 MB in the beginning and 115.2 MB in the end (delta: -50.5 MB). Peak memory consumption was 125.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:28,850 INFO L168 Benchmark]: Witness Printer took 234.81 ms. Allocated memory is still 207.6 MB. Free memory was 115.2 MB in the beginning and 100.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:28,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 900.63 ms. Allocated memory is still 75.5 MB. Free memory was 50.7 MB in the beginning and 45.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.81 ms. Allocated memory is still 75.5 MB. Free memory was 45.1 MB in the beginning and 40.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.30 ms. Allocated memory is still 75.5 MB. Free memory was 40.3 MB in the beginning and 55.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3240.52 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 55.0 MB in the beginning and 64.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33737.16 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 64.7 MB in the beginning and 115.2 MB in the end (delta: -50.5 MB). Peak memory consumption was 125.0 MB. Max. memory is 16.1 GB. * Witness Printer took 234.81 ms. Allocated memory is still 207.6 MB. Free memory was 115.2 MB in the beginning and 100.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 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: 760]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 760]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 760]: 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, 189 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 33.5s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1643 SDtfs, 5169 SDslu, 4554 SDs, 0 SdLazy, 873 SolverSat, 224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1258 GetRequests, 1123 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2111 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=640occurred in iteration=10, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 5090 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 66 PreInvPairs, 198 NumberOfFragments, 625 HoareAnnotationTreeSize, 66 FomulaSimplifications, 1343017 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 94245 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 596 NumberOfCodeBlocks, 596 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1164 ConstructedInterpolants, 0 QuantifiedInterpolants, 2620 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3159 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 236/302 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: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: 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: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(tmp == 0bv32)) && tmp == 0bv32 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && tmp == 1bv32 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: ((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:58:28,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da59dbea-10da-4b9f-8594-cd980c57321b/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