./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd72c57a95195c6db69021eb34c8125c134b3812 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd72c57a95195c6db69021eb34c8125c134b3812 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:58:52,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:52,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:52,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:52,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:52,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:52,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:52,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:52,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:52,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:52,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:52,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:52,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:52,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:52,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:52,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:52,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:52,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:52,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:52,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:52,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:52,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:52,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:52,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:52,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:52,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:52,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:52,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:52,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:52,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:52,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:52,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:52,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:52,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:52,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:52,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:52,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:52,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:52,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:52,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:52,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:52,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:58:52,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:52,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:52,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:52,932 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:52,933 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:52,933 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:52,933 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:58:52,939 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:52,940 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:52,940 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:58:52,941 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:58:52,941 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:52,942 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:58:52,942 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:58:52,942 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:58:52,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:52,943 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:52,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:58:52,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:52,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:52,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:52,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:52,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:52,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:52,945 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:52,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:52,945 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:52,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:52,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:52,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:52,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:52,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:52,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:52,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:52,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:58:52,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:58:52,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:52,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:52,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:52,948 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_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd72c57a95195c6db69021eb34c8125c134b3812 [2021-10-13 06:58:53,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:53,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:53,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:53,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:53,256 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:53,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-13 06:58:53,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data/4e21bb368/409158972f144c96a80ac9a2310be4cc/FLAGb2996d037 [2021-10-13 06:58:53,812 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:53,813 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-13 06:58:53,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data/4e21bb368/409158972f144c96a80ac9a2310be4cc/FLAGb2996d037 [2021-10-13 06:58:54,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data/4e21bb368/409158972f144c96a80ac9a2310be4cc [2021-10-13 06:58:54,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:54,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:54,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:54,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:54,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:54,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:54" (1/1) ... [2021-10-13 06:58:54,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db500ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:54, skipping insertion in model container [2021-10-13 06:58:54,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:54" (1/1) ... [2021-10-13 06:58:54,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:54,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:54,467 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_658f9d8f-2812-4a00-9365-ec213434914b/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14245,14258] [2021-10-13 06:58:54,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:54,506 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 06:58:54,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e38cfb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:54, skipping insertion in model container [2021-10-13 06:58:54,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:54,507 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:58:54,510 INFO L168 Benchmark]: Toolchain (without parser) took 364.15 ms. Allocated memory is still 100.7 MB. Free memory was 57.6 MB in the beginning and 71.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:54,510 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 75.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:54,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.46 ms. Allocated memory is still 100.7 MB. Free memory was 57.4 MB in the beginning and 71.4 MB in the end (delta: -14.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:54,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 75.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 361.46 ms. Allocated memory is still 100.7 MB. Free memory was 57.4 MB in the beginning and 71.4 MB in the end (delta: -14.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 311]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:58:56,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:56,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:56,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:56,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:56,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:56,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:56,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:56,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:56,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:56,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:56,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:56,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:56,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:56,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:56,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:56,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:56,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:56,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:56,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:56,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:56,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:56,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:56,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:56,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:56,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:56,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:56,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:56,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:56,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:56,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:56,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:56,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:56,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:56,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:56,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:56,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:56,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:56,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:56,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:56,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:56,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:58:56,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:56,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:56,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:56,887 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:56,888 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:56,888 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:56,888 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:56,888 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:56,889 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:56,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:56,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:56,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:56,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:56,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:56,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:56,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:56,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:56,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:58:56,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:58:56,893 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:56,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:56,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:56,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:56,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:56,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:58:56,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:56,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:56,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:56,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:56,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:56,896 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:58:56,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:56,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:56,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:56,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:56,898 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_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd72c57a95195c6db69021eb34c8125c134b3812 [2021-10-13 06:58:57,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:57,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:57,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:57,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:57,339 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:57,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-13 06:58:57,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data/b747b2796/33f8b367e34240338b0f73bc1573a5ec/FLAG2d8a69c9c [2021-10-13 06:58:58,007 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:58,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-13 06:58:58,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data/b747b2796/33f8b367e34240338b0f73bc1573a5ec/FLAG2d8a69c9c [2021-10-13 06:58:58,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/data/b747b2796/33f8b367e34240338b0f73bc1573a5ec [2021-10-13 06:58:58,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:58,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:58,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:58,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:58,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:58,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:58" (1/1) ... [2021-10-13 06:58:58,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b77dc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:58, skipping insertion in model container [2021-10-13 06:58:58,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:58" (1/1) ... [2021-10-13 06:58:58,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:58,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:58,694 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_658f9d8f-2812-4a00-9365-ec213434914b/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14245,14258] [2021-10-13 06:58:58,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:58,776 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 06:58:58,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:58,864 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_658f9d8f-2812-4a00-9365-ec213434914b/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14245,14258] [2021-10-13 06:58:58,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:58,905 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:58:58,981 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_658f9d8f-2812-4a00-9365-ec213434914b/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14245,14258] [2021-10-13 06:58:58,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:59,032 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:58:59,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59 WrapperNode [2021-10-13 06:58:59,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:59,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:59,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:58:59,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:58:59,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:59,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:58:59,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:58:59,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:58:59,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:58:59,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:58:59,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:58:59,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:58:59,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (1/1) ... [2021-10-13 06:58:59,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:59,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:58:59,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:58:59,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:58:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:58:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:58:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:58:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:59:01,800 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:59:01,801 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-13 06:59:01,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:59:01 BoogieIcfgContainer [2021-10-13 06:59:01,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:59:01,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:59:01,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:59:01,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:59:01,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:58:58" (1/3) ... [2021-10-13 06:59:01,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f2504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:59:01, skipping insertion in model container [2021-10-13 06:59:01,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:59" (2/3) ... [2021-10-13 06:59:01,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f2504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:59:01, skipping insertion in model container [2021-10-13 06:59:01,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:59:01" (3/3) ... [2021-10-13 06:59:01,812 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2021-10-13 06:59:01,817 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:59:01,818 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 06:59:01,888 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:59:01,895 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:59:01,895 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 06:59:01,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:01,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 06:59:01,920 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:01,920 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:01,921 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:01,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:01,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2021-10-13 06:59:01,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:01,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398397696] [2021-10-13 06:59:01,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:01,942 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:01,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:01,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:01,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:59:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:02,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:59:02,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:02,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:02,319 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:02,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398397696] [2021-10-13 06:59:02,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398397696] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:02,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:02,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:59:02,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418188628] [2021-10-13 06:59:02,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:59:02,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:02,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:59:02,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:59:02,353 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:02,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:02,384 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-13 06:59:02,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:59:02,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 06:59:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:02,396 INFO L225 Difference]: With dead ends: 268 [2021-10-13 06:59:02,397 INFO L226 Difference]: Without dead ends: 133 [2021-10-13 06:59:02,400 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:59:02,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-13 06:59:02,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-13 06:59:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-13 06:59:02,443 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-13 06:59:02,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:02,444 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-13 06:59:02,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-13 06:59:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:59:02,445 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:02,445 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:02,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:02,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:02,658 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:02,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2021-10-13 06:59:02,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:02,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300990840] [2021-10-13 06:59:02,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:02,665 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:02,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:02,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:02,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:59:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:02,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:59:02,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:02,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:03,026 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:03,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300990840] [2021-10-13 06:59:03,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300990840] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:03,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:03,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:59:03,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862749080] [2021-10-13 06:59:03,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:59:03,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:03,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:59:03,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:59:03,030 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:03,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:03,047 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-13 06:59:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:59:03,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 06:59:03,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:03,049 INFO L225 Difference]: With dead ends: 133 [2021-10-13 06:59:03,049 INFO L226 Difference]: Without dead ends: 55 [2021-10-13 06:59:03,050 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:59:03,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-13 06:59:03,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-13 06:59:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-13 06:59:03,058 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-13 06:59:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:03,058 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-13 06:59:03,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-13 06:59:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 06:59:03,060 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:03,060 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:03,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:03,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:03,272 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:03,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:03,273 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2021-10-13 06:59:03,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:03,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079783180] [2021-10-13 06:59:03,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:03,275 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:03,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:03,281 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:03,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:59:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:03,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:59:03,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:03,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:03,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:03,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079783180] [2021-10-13 06:59:03,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079783180] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:03,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:03,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:59:03,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259567693] [2021-10-13 06:59:03,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:59:03,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:03,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:59:03,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:59:03,633 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-10-13 06:59:03,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:03,714 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-10-13 06:59:03,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:59:03,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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 22 [2021-10-13 06:59:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:03,717 INFO L225 Difference]: With dead ends: 176 [2021-10-13 06:59:03,720 INFO L226 Difference]: Without dead ends: 127 [2021-10-13 06:59:03,721 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:59:03,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-13 06:59:03,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-10-13 06:59:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 73 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-10-13 06:59:03,748 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-10-13 06:59:03,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:03,748 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-10-13 06:59:03,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-10-13 06:59:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-13 06:59:03,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 06:59:03,751 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:03,751 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:03,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:03,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:03,964 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:03,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:03,965 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2021-10-13 06:59:03,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:03,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676000038] [2021-10-13 06:59:03,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:03,966 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:03,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:03,967 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:03,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 06:59:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:04,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:59:04,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:04,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:04,325 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:04,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676000038] [2021-10-13 06:59:04,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676000038] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:04,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:04,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:59:04,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615836451] [2021-10-13 06:59:04,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:59:04,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:04,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:59:04,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:59:04,329 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:04,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:04,388 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-10-13 06:59:04,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:59:04,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 06:59:04,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:04,390 INFO L225 Difference]: With dead ends: 163 [2021-10-13 06:59:04,391 INFO L226 Difference]: Without dead ends: 95 [2021-10-13 06:59:04,391 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:59:04,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-13 06:59:04,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-10-13 06:59:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.434782608695652) internal successors, (132), 92 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-10-13 06:59:04,407 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-10-13 06:59:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:04,407 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-10-13 06:59:04,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-10-13 06:59:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:59:04,409 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:04,409 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:04,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:04,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:04,624 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:04,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:04,624 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2021-10-13 06:59:04,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:04,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411676517] [2021-10-13 06:59:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:04,626 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:04,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:04,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:04,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 06:59:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:04,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:59:04,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:04,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:05,044 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:05,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411676517] [2021-10-13 06:59:05,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411676517] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:05,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:05,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 06:59:05,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125745176] [2021-10-13 06:59:05,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:59:05,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:05,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:59:05,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:59:05,047 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 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) [2021-10-13 06:59:05,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:05,190 INFO L93 Difference]: Finished difference Result 477 states and 692 transitions. [2021-10-13 06:59:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:59:05,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 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 [2021-10-13 06:59:05,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:05,195 INFO L225 Difference]: With dead ends: 477 [2021-10-13 06:59:05,195 INFO L226 Difference]: Without dead ends: 390 [2021-10-13 06:59:05,198 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 43.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:59:05,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-10-13 06:59:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 172. [2021-10-13 06:59:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4152046783625731) internal successors, (242), 171 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2021-10-13 06:59:05,246 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 25 [2021-10-13 06:59:05,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:05,247 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2021-10-13 06:59:05,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 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) [2021-10-13 06:59:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2021-10-13 06:59:05,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:59:05,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:05,252 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:05,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:05,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:05,464 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:05,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:05,465 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2021-10-13 06:59:05,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:05,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864905655] [2021-10-13 06:59:05,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:05,466 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:05,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:05,467 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:05,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 06:59:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:05,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:59:05,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:05,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:05,843 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:05,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864905655] [2021-10-13 06:59:05,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864905655] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:05,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:05,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 06:59:05,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884163933] [2021-10-13 06:59:05,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:59:05,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:05,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:59:05,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:59:05,848 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:06,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:06,053 INFO L93 Difference]: Finished difference Result 490 states and 693 transitions. [2021-10-13 06:59:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 06:59:06,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 06:59:06,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:06,057 INFO L225 Difference]: With dead ends: 490 [2021-10-13 06:59:06,057 INFO L226 Difference]: Without dead ends: 488 [2021-10-13 06:59:06,058 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:59:06,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-10-13 06:59:06,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 172. [2021-10-13 06:59:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4035087719298245) internal successors, (240), 171 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) [2021-10-13 06:59:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2021-10-13 06:59:06,084 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 26 [2021-10-13 06:59:06,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:06,084 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2021-10-13 06:59:06,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2021-10-13 06:59:06,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:59:06,089 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:06,089 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:06,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:06,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:06,303 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:06,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:06,303 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2021-10-13 06:59:06,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:06,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70418319] [2021-10-13 06:59:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:06,305 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:06,306 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:06,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 06:59:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:06,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:59:06,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:06,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:06,715 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:06,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70418319] [2021-10-13 06:59:06,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70418319] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:06,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:06,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 06:59:06,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518168956] [2021-10-13 06:59:06,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:59:06,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:06,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:59:06,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:59:06,717 INFO L87 Difference]: Start difference. First operand 172 states and 240 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:06,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:06,811 INFO L93 Difference]: Finished difference Result 500 states and 692 transitions. [2021-10-13 06:59:06,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:59:06,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-13 06:59:06,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:06,814 INFO L225 Difference]: With dead ends: 500 [2021-10-13 06:59:06,815 INFO L226 Difference]: Without dead ends: 334 [2021-10-13 06:59:06,815 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:59:06,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2021-10-13 06:59:06,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 184. [2021-10-13 06:59:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.3770491803278688) internal successors, (252), 183 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions. [2021-10-13 06:59:06,838 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 34 [2021-10-13 06:59:06,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:06,839 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions. [2021-10-13 06:59:06,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:06,839 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2021-10-13 06:59:06,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:59:06,840 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:06,841 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:06,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:07,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:07,053 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:07,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:07,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2021-10-13 06:59:07,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:07,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433481320] [2021-10-13 06:59:07,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:07,055 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:07,056 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:07,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 06:59:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:07,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:59:07,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:07,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:07,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:07,520 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:07,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433481320] [2021-10-13 06:59:07,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433481320] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:07,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:07,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:59:07,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003103884] [2021-10-13 06:59:07,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:59:07,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:07,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:59:07,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:59:07,522 INFO L87 Difference]: Start difference. First operand 184 states and 252 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:07,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:07,602 INFO L93 Difference]: Finished difference Result 534 states and 726 transitions. [2021-10-13 06:59:07,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:59:07,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 34 [2021-10-13 06:59:07,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:07,605 INFO L225 Difference]: With dead ends: 534 [2021-10-13 06:59:07,605 INFO L226 Difference]: Without dead ends: 356 [2021-10-13 06:59:07,607 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:59:07,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-13 06:59:07,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 192. [2021-10-13 06:59:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.361256544502618) internal successors, (260), 191 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 260 transitions. [2021-10-13 06:59:07,633 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 260 transitions. Word has length 34 [2021-10-13 06:59:07,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:07,633 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 260 transitions. [2021-10-13 06:59:07,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 260 transitions. [2021-10-13 06:59:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:59:07,634 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:07,634 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:07,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:07,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:07,848 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:07,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:07,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2021-10-13 06:59:07,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:07,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601930168] [2021-10-13 06:59:07,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:07,849 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:07,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:07,850 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:07,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 06:59:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:08,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:59:08,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:08,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:08,383 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:08,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601930168] [2021-10-13 06:59:08,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601930168] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:08,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:08,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 06:59:08,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677264841] [2021-10-13 06:59:08,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:59:08,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:08,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:59:08,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:59:08,385 INFO L87 Difference]: Start difference. First operand 192 states and 260 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:08,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:08,468 INFO L93 Difference]: Finished difference Result 612 states and 832 transitions. [2021-10-13 06:59:08,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:59:08,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 34 [2021-10-13 06:59:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:08,472 INFO L225 Difference]: With dead ends: 612 [2021-10-13 06:59:08,472 INFO L226 Difference]: Without dead ends: 426 [2021-10-13 06:59:08,473 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:59:08,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-10-13 06:59:08,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 336. [2021-10-13 06:59:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.346268656716418) internal successors, (451), 335 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 451 transitions. [2021-10-13 06:59:08,515 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 451 transitions. Word has length 34 [2021-10-13 06:59:08,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:08,515 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 451 transitions. [2021-10-13 06:59:08,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2021-10-13 06:59:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 06:59:08,522 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:08,523 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:59:08,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:08,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:08,735 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:08,736 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2021-10-13 06:59:08,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:08,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723372056] [2021-10-13 06:59:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:08,737 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:08,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:08,738 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:08,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 06:59:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:08,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:59:09,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:09,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:09,275 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:09,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723372056] [2021-10-13 06:59:09,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723372056] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:09,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:09,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-13 06:59:09,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866886287] [2021-10-13 06:59:09,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 06:59:09,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:09,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 06:59:09,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:59:09,277 INFO L87 Difference]: Start difference. First operand 336 states and 451 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:12,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:12,186 INFO L93 Difference]: Finished difference Result 1402 states and 1860 transitions. [2021-10-13 06:59:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 06:59:12,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 06:59:12,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:12,193 INFO L225 Difference]: With dead ends: 1402 [2021-10-13 06:59:12,193 INFO L226 Difference]: Without dead ends: 1072 [2021-10-13 06:59:12,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 156.0ms TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-10-13 06:59:12,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2021-10-13 06:59:12,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 336. [2021-10-13 06:59:12,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.3223880597014925) internal successors, (443), 335 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:12,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 443 transitions. [2021-10-13 06:59:12,263 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 443 transitions. Word has length 35 [2021-10-13 06:59:12,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:12,264 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 443 transitions. [2021-10-13 06:59:12,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 443 transitions. [2021-10-13 06:59:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 06:59:12,265 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:12,266 INFO L512 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, 1, 1, 1, 1, 1] [2021-10-13 06:59:12,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:12,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:12,478 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:12,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:12,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1734965659, now seen corresponding path program 1 times [2021-10-13 06:59:12,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:12,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122096168] [2021-10-13 06:59:12,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:12,480 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:12,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:12,480 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:12,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 06:59:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:12,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:59:12,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:59:12,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:59:13,171 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:13,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122096168] [2021-10-13 06:59:13,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122096168] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:59:13,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1063717401] [2021-10-13 06:59:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:13,172 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:59:13,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:59:13,176 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:59:13,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-13 06:59:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:13,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 06:59:13,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:59:13,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:59:14,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1063717401] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:59:14,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372318529] [2021-10-13 06:59:14,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:14,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:59:14,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:59:14,094 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 06:59:14,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-13 06:59:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:14,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:59:14,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:59:14,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:59:14,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372318529] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:59:14,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 06:59:14,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 8 [2021-10-13 06:59:14,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716062299] [2021-10-13 06:59:14,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 06:59:14,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:14,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 06:59:14,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:59:14,816 INFO L87 Difference]: Start difference. First operand 336 states and 443 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:18,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:18,457 INFO L93 Difference]: Finished difference Result 3719 states and 4896 transitions. [2021-10-13 06:59:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-13 06:59:18,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 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 56 [2021-10-13 06:59:18,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:18,478 INFO L225 Difference]: With dead ends: 3719 [2021-10-13 06:59:18,478 INFO L226 Difference]: Without dead ends: 3389 [2021-10-13 06:59:18,480 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 204.1ms TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2021-10-13 06:59:18,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3389 states. [2021-10-13 06:59:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3389 to 881. [2021-10-13 06:59:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 880 states have (on average 1.3420454545454545) internal successors, (1181), 880 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:18,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1181 transitions. [2021-10-13 06:59:18,637 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1181 transitions. Word has length 56 [2021-10-13 06:59:18,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:18,637 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1181 transitions. [2021-10-13 06:59:18,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1181 transitions. [2021-10-13 06:59:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 06:59:18,639 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:59:18,639 INFO L512 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, 1, 1, 1, 1, 1] [2021-10-13 06:59:18,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:18,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:19,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:19,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 06:59:19,259 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:59:19,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:59:19,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1033901081, now seen corresponding path program 1 times [2021-10-13 06:59:19,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:59:19,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174103482] [2021-10-13 06:59:19,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:19,260 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:59:19,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:59:19,262 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:59:19,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 06:59:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:19,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:59:19,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 06:59:19,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 06:59:19,928 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:19,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174103482] [2021-10-13 06:59:19,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174103482] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:19,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:19,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 06:59:19,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455918666] [2021-10-13 06:59:19,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:59:19,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:19,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:59:19,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:59:19,930 INFO L87 Difference]: Start difference. First operand 881 states and 1181 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:20,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:59:20,067 INFO L93 Difference]: Finished difference Result 1447 states and 1900 transitions. [2021-10-13 06:59:20,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:59:20,068 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 56 [2021-10-13 06:59:20,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:59:20,069 INFO L225 Difference]: With dead ends: 1447 [2021-10-13 06:59:20,069 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 06:59:20,071 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 51.7ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:59:20,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 06:59:20,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 06:59:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:20,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 06:59:20,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-13 06:59:20,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:59:20,072 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 06:59:20,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:59:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 06:59:20,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 06:59:20,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:59:20,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:59:20,076 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:59:20,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 06:59:20,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:59:20,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 06:59:20,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:20,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:20,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:20,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:21,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:21,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:21,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:22,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:23,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:24,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:24,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:24,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:24,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:37,627 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-10-13 06:59:37,627 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 813) no Hoare annotation was computed. [2021-10-13 06:59:37,627 INFO L857 garLoopResultBuilder]: For program point L796-1(lines 796 813) no Hoare annotation was computed. [2021-10-13 06:59:37,627 INFO L857 garLoopResultBuilder]: For program point L796-2(lines 796 813) no Hoare annotation was computed. [2021-10-13 06:59:37,628 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 241) no Hoare annotation was computed. [2021-10-13 06:59:37,628 INFO L857 garLoopResultBuilder]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2021-10-13 06:59:37,628 INFO L857 garLoopResultBuilder]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2021-10-13 06:59:37,628 INFO L857 garLoopResultBuilder]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2021-10-13 06:59:37,628 INFO L857 garLoopResultBuilder]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2021-10-13 06:59:37,628 INFO L857 garLoopResultBuilder]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2021-10-13 06:59:37,629 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 275) no Hoare annotation was computed. [2021-10-13 06:59:37,629 INFO L857 garLoopResultBuilder]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2021-10-13 06:59:37,629 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 174) no Hoare annotation was computed. [2021-10-13 06:59:37,629 INFO L857 garLoopResultBuilder]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2021-10-13 06:59:37,629 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:59:37,630 INFO L857 garLoopResultBuilder]: For program point L700(lines 700 715) no Hoare annotation was computed. [2021-10-13 06:59:37,630 INFO L857 garLoopResultBuilder]: For program point L833(lines 833 839) no Hoare annotation was computed. [2021-10-13 06:59:37,630 INFO L857 garLoopResultBuilder]: For program point L800(lines 800 808) no Hoare annotation was computed. [2021-10-13 06:59:37,630 INFO L857 garLoopResultBuilder]: For program point L833-2(lines 833 839) no Hoare annotation was computed. [2021-10-13 06:59:37,630 INFO L857 garLoopResultBuilder]: For program point L800-1(lines 800 808) no Hoare annotation was computed. [2021-10-13 06:59:37,631 INFO L857 garLoopResultBuilder]: For program point L800-2(lines 800 808) no Hoare annotation was computed. [2021-10-13 06:59:37,631 INFO L857 garLoopResultBuilder]: For program point L833-4(lines 833 839) no Hoare annotation was computed. [2021-10-13 06:59:37,631 INFO L857 garLoopResultBuilder]: For program point L833-6(lines 833 839) no Hoare annotation was computed. [2021-10-13 06:59:37,631 INFO L857 garLoopResultBuilder]: For program point L833-8(lines 833 839) no Hoare annotation was computed. [2021-10-13 06:59:37,631 INFO L857 garLoopResultBuilder]: For program point L833-10(lines 833 839) no Hoare annotation was computed. [2021-10-13 06:59:37,631 INFO L853 garLoopResultBuilder]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:59:37,632 INFO L853 garLoopResultBuilder]: At program point L867(lines 862 870) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3 .cse4))) [2021-10-13 06:59:37,632 INFO L853 garLoopResultBuilder]: At program point L867-1(lines 862 870) the Hoare annotation is: false [2021-10-13 06:59:37,632 INFO L853 garLoopResultBuilder]: At program point L867-2(lines 862 870) the Hoare annotation is: false [2021-10-13 06:59:37,632 INFO L853 garLoopResultBuilder]: At program point L240(lines 231 244) the Hoare annotation is: false [2021-10-13 06:59:37,632 INFO L853 garLoopResultBuilder]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse5 .cse3 .cse4))) [2021-10-13 06:59:37,633 INFO L853 garLoopResultBuilder]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2021-10-13 06:59:37,633 INFO L853 garLoopResultBuilder]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2021-10-13 06:59:37,633 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-13 06:59:37,633 INFO L853 garLoopResultBuilder]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2021-10-13 06:59:37,633 INFO L853 garLoopResultBuilder]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2021-10-13 06:59:37,633 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-10-13 06:59:37,634 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 939) no Hoare annotation was computed. [2021-10-13 06:59:37,634 INFO L857 garLoopResultBuilder]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2021-10-13 06:59:37,634 INFO L857 garLoopResultBuilder]: For program point L935-3(lines 935 939) no Hoare annotation was computed. [2021-10-13 06:59:37,634 INFO L857 garLoopResultBuilder]: For program point L770(lines 770 787) no Hoare annotation was computed. [2021-10-13 06:59:37,634 INFO L857 garLoopResultBuilder]: For program point L935-5(lines 935 939) no Hoare annotation was computed. [2021-10-13 06:59:37,634 INFO L857 garLoopResultBuilder]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2021-10-13 06:59:37,635 INFO L857 garLoopResultBuilder]: For program point L935-6(lines 935 939) no Hoare annotation was computed. [2021-10-13 06:59:37,635 INFO L857 garLoopResultBuilder]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2021-10-13 06:59:37,635 INFO L857 garLoopResultBuilder]: For program point L671(lines 670 719) no Hoare annotation was computed. [2021-10-13 06:59:37,635 INFO L857 garLoopResultBuilder]: For program point L770-3(lines 770 787) no Hoare annotation was computed. [2021-10-13 06:59:37,635 INFO L857 garLoopResultBuilder]: For program point L935-8(lines 935 939) no Hoare annotation was computed. [2021-10-13 06:59:37,635 INFO L857 garLoopResultBuilder]: For program point L770-4(lines 770 787) no Hoare annotation was computed. [2021-10-13 06:59:37,635 INFO L857 garLoopResultBuilder]: For program point L770-5(lines 770 787) no Hoare annotation was computed. [2021-10-13 06:59:37,636 INFO L853 garLoopResultBuilder]: At program point L738(lines 737 756) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse0 .cse1 .cse2 .cse5) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse6 .cse5) (and .cse0 .cse2 .cse6 .cse5))) [2021-10-13 06:59:37,636 INFO L857 garLoopResultBuilder]: For program point L738-1(lines 738 744) no Hoare annotation was computed. [2021-10-13 06:59:37,636 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 676) no Hoare annotation was computed. [2021-10-13 06:59:37,636 INFO L853 garLoopResultBuilder]: At program point L738-2(lines 737 756) the Hoare annotation is: false [2021-10-13 06:59:37,636 INFO L853 garLoopResultBuilder]: At program point L738-3(lines 737 756) the Hoare annotation is: false [2021-10-13 06:59:37,637 INFO L857 garLoopResultBuilder]: For program point L774(lines 774 782) no Hoare annotation was computed. [2021-10-13 06:59:37,637 INFO L857 garLoopResultBuilder]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2021-10-13 06:59:37,637 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2021-10-13 06:59:37,637 INFO L857 garLoopResultBuilder]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2021-10-13 06:59:37,637 INFO L853 garLoopResultBuilder]: At program point L708-1(lines 738 744) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6))) [2021-10-13 06:59:37,637 INFO L857 garLoopResultBuilder]: For program point L774-3(lines 774 782) no Hoare annotation was computed. [2021-10-13 06:59:37,638 INFO L857 garLoopResultBuilder]: For program point L774-4(lines 774 782) no Hoare annotation was computed. [2021-10-13 06:59:37,638 INFO L857 garLoopResultBuilder]: For program point L774-5(lines 774 782) no Hoare annotation was computed. [2021-10-13 06:59:37,638 INFO L853 garLoopResultBuilder]: At program point L941(lines 926 944) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse6))) [2021-10-13 06:59:37,638 INFO L853 garLoopResultBuilder]: At program point L941-1(lines 926 944) the Hoare annotation is: false [2021-10-13 06:59:37,638 INFO L853 garLoopResultBuilder]: At program point L941-2(lines 926 944) the Hoare annotation is: false [2021-10-13 06:59:37,638 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 186) no Hoare annotation was computed. [2021-10-13 06:59:37,639 INFO L853 garLoopResultBuilder]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-13 06:59:37,639 INFO L853 garLoopResultBuilder]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2021-10-13 06:59:37,639 INFO L853 garLoopResultBuilder]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2021-10-13 06:59:37,639 INFO L853 garLoopResultBuilder]: At program point L250(lines 245 253) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3))) [2021-10-13 06:59:37,639 INFO L853 garLoopResultBuilder]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2021-10-13 06:59:37,639 INFO L853 garLoopResultBuilder]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2021-10-13 06:59:37,640 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 686) no Hoare annotation was computed. [2021-10-13 06:59:37,640 INFO L853 garLoopResultBuilder]: At program point L680-1(lines 680 686) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse3) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse4) (and .cse0 .cse2 .cse8 .cse9 .cse5 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse4))) [2021-10-13 06:59:37,640 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 06:59:37,640 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-13 06:59:37,640 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 06:59:37,641 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 955) no Hoare annotation was computed. [2021-10-13 06:59:37,641 INFO L853 garLoopResultBuilder]: At program point L949-1(lines 949 955) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3))) [2021-10-13 06:59:37,641 INFO L857 garLoopResultBuilder]: For program point L916(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,641 INFO L857 garLoopResultBuilder]: For program point L916-2(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,641 INFO L857 garLoopResultBuilder]: For program point L916-3(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,641 INFO L857 garLoopResultBuilder]: For program point L916-5(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,642 INFO L857 garLoopResultBuilder]: For program point L916-6(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,642 INFO L857 garLoopResultBuilder]: For program point L916-8(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,642 INFO L857 garLoopResultBuilder]: For program point L916-9(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,642 INFO L857 garLoopResultBuilder]: For program point L916-11(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,642 INFO L857 garLoopResultBuilder]: For program point L916-12(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,642 INFO L857 garLoopResultBuilder]: For program point L916-14(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,643 INFO L857 garLoopResultBuilder]: For program point L916-15(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,643 INFO L857 garLoopResultBuilder]: For program point L916-17(lines 916 920) no Hoare annotation was computed. [2021-10-13 06:59:37,643 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 06:59:37,643 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-13 06:59:37,643 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 738 744) no Hoare annotation was computed. [2021-10-13 06:59:37,643 INFO L857 garLoopResultBuilder]: For program point L653(line 653) no Hoare annotation was computed. [2021-10-13 06:59:37,643 INFO L857 garLoopResultBuilder]: For program point L653-1(line 653) no Hoare annotation was computed. [2021-10-13 06:59:37,644 INFO L857 garLoopResultBuilder]: For program point L653-2(line 653) no Hoare annotation was computed. [2021-10-13 06:59:37,644 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 162) no Hoare annotation was computed. [2021-10-13 06:59:37,644 INFO L857 garLoopResultBuilder]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2021-10-13 06:59:37,644 INFO L857 garLoopResultBuilder]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2021-10-13 06:59:37,644 INFO L853 garLoopResultBuilder]: At program point L720(lines 669 721) the Hoare annotation is: false [2021-10-13 06:59:37,644 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 06:59:37,645 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 696) no Hoare annotation was computed. [2021-10-13 06:59:37,645 INFO L853 garLoopResultBuilder]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6))) [2021-10-13 06:59:37,645 INFO L853 garLoopResultBuilder]: At program point L195(lines 190 198) the Hoare annotation is: false [2021-10-13 06:59:37,645 INFO L853 garLoopResultBuilder]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3))) [2021-10-13 06:59:37,645 INFO L853 garLoopResultBuilder]: At program point L195-2(lines 190 198) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5 .cse6 .cse4) (and .cse0 .cse7 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse7 .cse1 .cse2 .cse4) (and .cse0 .cse7 .cse5 .cse6 .cse4))) [2021-10-13 06:59:37,646 INFO L853 garLoopResultBuilder]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2021-10-13 06:59:37,646 INFO L853 garLoopResultBuilder]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2021-10-13 06:59:37,646 INFO L853 garLoopResultBuilder]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2021-10-13 06:59:37,646 INFO L853 garLoopResultBuilder]: At program point L195-6(lines 190 198) the Hoare annotation is: false [2021-10-13 06:59:37,646 INFO L853 garLoopResultBuilder]: At program point L195-7(lines 190 198) the Hoare annotation is: false [2021-10-13 06:59:37,646 INFO L853 garLoopResultBuilder]: At program point L195-8(lines 190 198) the Hoare annotation is: false [2021-10-13 06:59:37,647 INFO L853 garLoopResultBuilder]: At program point L922(lines 907 925) the Hoare annotation is: false [2021-10-13 06:59:37,647 INFO L853 garLoopResultBuilder]: At program point L922-1(lines 907 925) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse5 .cse3 .cse9 .cse4) (and .cse0 .cse6 .cse2 .cse7 .cse8 .cse3 .cse9 .cse4))) [2021-10-13 06:59:37,647 INFO L853 garLoopResultBuilder]: At program point L922-2(lines 907 925) the Hoare annotation is: false [2021-10-13 06:59:37,647 INFO L853 garLoopResultBuilder]: At program point L922-3(lines 907 925) the Hoare annotation is: false [2021-10-13 06:59:37,647 INFO L853 garLoopResultBuilder]: At program point L922-4(lines 907 925) the Hoare annotation is: false [2021-10-13 06:59:37,647 INFO L853 garLoopResultBuilder]: At program point L922-5(lines 907 925) the Hoare annotation is: false [2021-10-13 06:59:37,648 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 06:59:37,648 INFO L853 garLoopResultBuilder]: At program point L858(lines 851 861) the Hoare annotation is: false [2021-10-13 06:59:37,648 INFO L853 garLoopResultBuilder]: At program point L858-1(lines 851 861) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3))) [2021-10-13 06:59:37,648 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-10-13 06:59:37,648 INFO L853 garLoopResultBuilder]: At program point L858-2(lines 851 861) the Hoare annotation is: false [2021-10-13 06:59:37,649 INFO L853 garLoopResultBuilder]: At program point L858-3(lines 851 861) the Hoare annotation is: false [2021-10-13 06:59:37,649 INFO L853 garLoopResultBuilder]: At program point L858-4(lines 851 861) the Hoare annotation is: false [2021-10-13 06:59:37,649 INFO L853 garLoopResultBuilder]: At program point L858-5(lines 851 861) the Hoare annotation is: false [2021-10-13 06:59:37,649 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-13 06:59:37,649 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-13 06:59:37,649 INFO L853 garLoopResultBuilder]: At program point L991(lines 1 1002) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:59:37,649 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 278) no Hoare annotation was computed. [2021-10-13 06:59:37,650 INFO L853 garLoopResultBuilder]: At program point L265-1(lines 1 1002) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse3) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse4) (and .cse0 .cse2 .cse8 .cse9 .cse5 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse4))) [2021-10-13 06:59:37,650 INFO L857 garLoopResultBuilder]: For program point L265-2(lines 265 278) no Hoare annotation was computed. [2021-10-13 06:59:37,650 INFO L853 garLoopResultBuilder]: At program point L265-3(lines 1 1002) the Hoare annotation is: false [2021-10-13 06:59:37,650 INFO L857 garLoopResultBuilder]: For program point L265-4(lines 265 278) no Hoare annotation was computed. [2021-10-13 06:59:37,650 INFO L853 garLoopResultBuilder]: At program point L265-5(lines 1 1002) the Hoare annotation is: false [2021-10-13 06:59:37,655 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:59:37,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:59:37 BoogieIcfgContainer [2021-10-13 06:59:37,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:59:37,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:59:37,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:59:37,691 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:59:37,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:59:01" (3/4) ... [2021-10-13 06:59:37,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:59:37,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 06:59:37,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 06:59:37,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 06:59:37,720 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 06:59:37,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 06:59:37,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:59:37,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:59:37,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 06:59:37,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 06:59:37,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:37,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:37,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:37,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) [2021-10-13 06:59:37,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 06:59:37,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:37,757 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) || (((((((splverifierCounter == 0bv32 && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) [2021-10-13 06:59:37,758 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:37,761 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 06:59:37,761 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 06:59:37,816 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:59:37,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:59:37,817 INFO L168 Benchmark]: Toolchain (without parser) took 39539.20 ms. Allocated memory was 60.8 MB in the beginning and 207.6 MB in the end (delta: 146.8 MB). Free memory was 38.3 MB in the beginning and 138.5 MB in the end (delta: -100.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:37,818 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 41.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:59:37,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.79 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 38.2 MB in the beginning and 71.6 MB in the end (delta: -33.4 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:37,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.28 ms. Allocated memory is still 88.1 MB. Free memory was 71.6 MB in the beginning and 67.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:37,819 INFO L168 Benchmark]: Boogie Preprocessor took 112.82 ms. Allocated memory is still 88.1 MB. Free memory was 67.8 MB in the beginning and 65.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:37,820 INFO L168 Benchmark]: RCFGBuilder took 2518.35 ms. Allocated memory is still 88.1 MB. Free memory was 64.6 MB in the beginning and 30.7 MB in the end (delta: 33.9 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:37,820 INFO L168 Benchmark]: TraceAbstraction took 35885.61 ms. Allocated memory was 88.1 MB in the beginning and 207.6 MB in the end (delta: 119.5 MB). Free memory was 30.0 MB in the beginning and 150.1 MB in the end (delta: -120.0 MB). Peak memory consumption was 92.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:37,820 INFO L168 Benchmark]: Witness Printer took 125.12 ms. Allocated memory is still 207.6 MB. Free memory was 150.1 MB in the beginning and 138.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:37,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 41.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.79 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 38.2 MB in the beginning and 71.6 MB in the end (delta: -33.4 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.28 ms. Allocated memory is still 88.1 MB. Free memory was 71.6 MB in the beginning and 67.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.82 ms. Allocated memory is still 88.1 MB. Free memory was 67.8 MB in the beginning and 65.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2518.35 ms. Allocated memory is still 88.1 MB. Free memory was 64.6 MB in the beginning and 30.7 MB in the end (delta: 33.9 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35885.61 ms. Allocated memory was 88.1 MB in the beginning and 207.6 MB in the end (delta: 119.5 MB). Free memory was 30.0 MB in the beginning and 150.1 MB in the end (delta: -120.0 MB). Peak memory consumption was 92.2 MB. Max. memory is 16.1 GB. * Witness Printer took 125.12 ms. Allocated memory is still 207.6 MB. Free memory was 150.1 MB in the beginning and 138.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: 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, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 35768.3ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 35.7ms, AutomataDifference: 7603.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 17338.5ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1590 SDtfs, 2955 SDslu, 4261 SDs, 0 SdLazy, 543 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5769.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1000 GetRequests, 924 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 592.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred in iteration=11, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 467.4ms AutomataMinimizationTime, 12 MinimizatonAttempts, 4237 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 295 NumberOfFragments, 1154 HoareAnnotationTreeSize, 56 FomulaSimplifications, 4247980 FormulaSimplificationTreeSizeReduction, 3931.4ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 3244382 FormulaSimplificationTreeSizeReductionInter, 13389.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 307.8ms SsaConstructionTime, 1547.2ms SatisfiabilityAnalysisTime, 3449.8ms InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 1961 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3045 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/112 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: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) || (((((((splverifierCounter == 0bv32 && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 06:59:37,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658f9d8f-2812-4a00-9365-ec213434914b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...