./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs --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 e251bb390592895d5cd0fc178cdf98599468fb04 ............................................................................................................................................ 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_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs --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 e251bb390592895d5cd0fc178cdf98599468fb04 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:15:04,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:15:04,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:15:04,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:15:04,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:15:04,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:15:04,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:15:04,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:15:04,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:15:04,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:15:04,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:15:04,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:15:04,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:15:04,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:15:04,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:15:04,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:15:04,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:15:04,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:15:04,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:15:04,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:15:04,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:15:04,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:15:04,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:15:04,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:15:04,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:15:04,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:15:04,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:15:04,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:15:04,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:15:04,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:15:04,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:15:04,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:15:04,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:15:04,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:15:04,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:15:05,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:15:05,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:15:05,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:15:05,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:15:05,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:15:05,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:15:05,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:15:05,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:15:05,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:15:05,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:15:05,054 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:15:05,055 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:15:05,055 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:15:05,055 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:15:05,055 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:15:05,056 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:15:05,056 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:15:05,064 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:15:05,064 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:15:05,064 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:15:05,065 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:15:05,065 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:15:05,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:15:05,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:15:05,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:15:05,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:15:05,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:15:05,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:15:05,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:15:05,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:15:05,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:15:05,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:15:05,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:15:05,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:15:05,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:15:05,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:15:05,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:15:05,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:15:05,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:15:05,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:15:05,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:15:05,073 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:15:05,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:15:05,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:15:05,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:15:05,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:15:05,074 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_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e251bb390592895d5cd0fc178cdf98599468fb04 [2021-10-16 03:15:05,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:15:05,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:15:05,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:15:05,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:15:05,408 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:15:05,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-16 03:15:05,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data/a0368dedf/657c89e7c4284785baa5c483b8532111/FLAGd5b2150cd [2021-10-16 03:15:06,105 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:15:06,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-16 03:15:06,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data/a0368dedf/657c89e7c4284785baa5c483b8532111/FLAGd5b2150cd [2021-10-16 03:15:06,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data/a0368dedf/657c89e7c4284785baa5c483b8532111 [2021-10-16 03:15:06,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:15:06,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:15:06,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:15:06,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:15:06,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:15:06,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:15:06" (1/1) ... [2021-10-16 03:15:06,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e083369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:06, skipping insertion in model container [2021-10-16 03:15:06,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:15:06" (1/1) ... [2021-10-16 03:15:06,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:15:06,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:15:06,792 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_40d6e134-d925-46d8-8cbc-fb305109c8b6/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-10-16 03:15:06,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:15:06,858 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) [2021-10-16 03:15:06,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4896ef32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:06, skipping insertion in model container [2021-10-16 03:15:06,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:15:06,859 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:15:06,861 INFO L168 Benchmark]: Toolchain (without parser) took 520.70 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 77.9 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:15:06,862 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory was 76.5 MB in the beginning and 76.4 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:15:06,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.35 ms. Allocated memory is still 104.9 MB. Free memory was 70.0 MB in the beginning and 77.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:15:06,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory was 76.5 MB in the beginning and 76.4 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 514.35 ms. Allocated memory is still 104.9 MB. Free memory was 70.0 MB in the beginning and 77.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 623]: 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-5709675 [2021-10-16 03:15:09,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:15:09,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:15:09,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:15:09,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:15:09,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:15:09,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:15:09,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:15:09,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:15:09,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:15:09,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:15:09,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:15:09,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:15:09,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:15:09,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:15:09,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:15:09,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:15:09,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:15:09,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:15:09,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:15:09,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:15:09,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:15:09,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:15:09,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:15:09,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:15:09,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:15:09,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:15:09,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:15:09,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:15:09,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:15:09,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:15:09,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:15:09,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:15:09,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:15:09,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:15:09,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:15:09,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:15:09,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:15:09,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:15:09,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:15:09,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:15:09,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:15:09,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:15:09,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:15:09,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:15:09,544 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:15:09,544 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:15:09,545 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:15:09,545 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:15:09,545 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:15:09,546 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:15:09,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:15:09,549 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:15:09,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:15:09,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:15:09,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:15:09,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:15:09,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:15:09,551 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:15:09,551 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:15:09,551 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:15:09,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:15:09,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:15:09,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:15:09,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:15:09,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:15:09,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:15:09,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:15:09,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:15:09,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:15:09,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:15:09,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:15:09,555 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:15:09,555 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:15:09,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:15:09,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:15:09,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:15:09,556 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_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e251bb390592895d5cd0fc178cdf98599468fb04 [2021-10-16 03:15:10,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:15:10,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:15:10,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:15:10,050 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:15:10,051 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:15:10,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-16 03:15:10,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data/b1979daa9/daee0c3e36cb4c23b49aa7e1bb179498/FLAG2927083c0 [2021-10-16 03:15:10,702 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:15:10,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-16 03:15:10,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data/b1979daa9/daee0c3e36cb4c23b49aa7e1bb179498/FLAG2927083c0 [2021-10-16 03:15:10,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/data/b1979daa9/daee0c3e36cb4c23b49aa7e1bb179498 [2021-10-16 03:15:10,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:15:10,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:15:10,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:15:10,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:15:10,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:15:10,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:15:10" (1/1) ... [2021-10-16 03:15:10,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da8d66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:10, skipping insertion in model container [2021-10-16 03:15:10,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:15:10" (1/1) ... [2021-10-16 03:15:10,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:15:11,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:15:11,349 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_40d6e134-d925-46d8-8cbc-fb305109c8b6/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-10-16 03:15:11,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:15:11,417 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 03:15:11,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:15:11,459 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_40d6e134-d925-46d8-8cbc-fb305109c8b6/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-10-16 03:15:11,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:15:11,517 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:15:11,571 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_40d6e134-d925-46d8-8cbc-fb305109c8b6/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-10-16 03:15:11,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:15:11,664 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:15:11,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11 WrapperNode [2021-10-16 03:15:11,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:15:11,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:15:11,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:15:11,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:15:11,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:15:11,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:15:11,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:15:11,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:15:11,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:15:11,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:15:11,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:15:11,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:15:11,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (1/1) ... [2021-10-16 03:15:11,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:15:11,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:15:11,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:15:11,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:15:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:15:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:15:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:15:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:15:14,214 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:15:14,215 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-16 03:15:14,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:15:14 BoogieIcfgContainer [2021-10-16 03:15:14,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:15:14,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:15:14,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:15:14,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:15:14,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:15:10" (1/3) ... [2021-10-16 03:15:14,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387b91b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:15:14, skipping insertion in model container [2021-10-16 03:15:14,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:11" (2/3) ... [2021-10-16 03:15:14,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387b91b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:15:14, skipping insertion in model container [2021-10-16 03:15:14,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:15:14" (3/3) ... [2021-10-16 03:15:14,228 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2021-10-16 03:15:14,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:15:14,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 03:15:14,294 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:15:14,302 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 [2021-10-16 03:15:14,302 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 03:15:14,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-10-16 03:15:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 03:15:14,338 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:14,339 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:14,339 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:14,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:14,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1981233963, now seen corresponding path program 1 times [2021-10-16 03:15:14,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:14,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165108586] [2021-10-16 03:15:14,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:14,361 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:14,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:14,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:14,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:15:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:14,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 03:15:14,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:14,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:14,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:14,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165108586] [2021-10-16 03:15:14,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165108586] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:14,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:14,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 03:15:14,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451024338] [2021-10-16 03:15:14,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:15:14,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:15:14,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:15:14,765 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:14,823 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-16 03:15:14,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:15:14,825 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-16 03:15:14,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:14,839 INFO L225 Difference]: With dead ends: 264 [2021-10-16 03:15:14,839 INFO L226 Difference]: Without dead ends: 131 [2021-10-16 03:15:14,843 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:15:14,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-16 03:15:14,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-16 03:15:14,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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) [2021-10-16 03:15:14,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-16 03:15:14,907 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2021-10-16 03:15:14,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:14,908 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-16 03:15:14,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-16 03:15:14,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-16 03:15:14,910 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:14,910 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:14,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:15,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:15,123 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:15,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:15,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1070203210, now seen corresponding path program 1 times [2021-10-16 03:15:15,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:15,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063860946] [2021-10-16 03:15:15,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:15,125 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:15,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:15,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:15,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:15:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:15,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:15:15,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:15,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:15,448 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:15,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063860946] [2021-10-16 03:15:15,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063860946] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:15,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:15,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:15:15,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773872082] [2021-10-16 03:15:15,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:15:15,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:15,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:15:15,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:15:15,452 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:15,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:15,465 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-16 03:15:15,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:15,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-16 03:15:15,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:15,475 INFO L225 Difference]: With dead ends: 131 [2021-10-16 03:15:15,475 INFO L226 Difference]: Without dead ends: 53 [2021-10-16 03:15:15,477 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:15:15,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-16 03:15:15,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-16 03:15:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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) [2021-10-16 03:15:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-16 03:15:15,489 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-10-16 03:15:15,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:15,490 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-16 03:15:15,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-16 03:15:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 03:15:15,492 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:15,496 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] [2021-10-16 03:15:15,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:15,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:15,709 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:15,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:15,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1049766460, now seen corresponding path program 1 times [2021-10-16 03:15:15,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:15,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606793495] [2021-10-16 03:15:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:15,711 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:15,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:15,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:15,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:15:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:15,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:15:15,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:16,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:16,187 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:16,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606793495] [2021-10-16 03:15:16,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606793495] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:16,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:16,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 03:15:16,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076734755] [2021-10-16 03:15:16,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:15:16,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:16,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:15:16,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:15:16,196 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:16,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:16,216 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-16 03:15:16,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:16,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-16 03:15:16,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:16,218 INFO L225 Difference]: With dead ends: 100 [2021-10-16 03:15:16,218 INFO L226 Difference]: Without dead ends: 53 [2021-10-16 03:15:16,222 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:15:16,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-16 03:15:16,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-16 03:15:16,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:16,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-16 03:15:16,233 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-10-16 03:15:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:16,234 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-16 03:15:16,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-16 03:15:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-16 03:15:16,238 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:16,238 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] [2021-10-16 03:15:16,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:16,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:16,454 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:16,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:16,455 INFO L82 PathProgramCache]: Analyzing trace with hash -927374502, now seen corresponding path program 1 times [2021-10-16 03:15:16,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:16,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087420206] [2021-10-16 03:15:16,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:16,456 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:16,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:16,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:16,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 03:15:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:16,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:15:16,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:16,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:16,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:16,774 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:16,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087420206] [2021-10-16 03:15:16,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087420206] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:16,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:16,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:15:16,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844496462] [2021-10-16 03:15:16,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:16,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:16,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:16,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:16,777 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-10-16 03:15:16,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:16,829 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2021-10-16 03:15:16,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:16,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 [2021-10-16 03:15:16,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:16,831 INFO L225 Difference]: With dead ends: 123 [2021-10-16 03:15:16,831 INFO L226 Difference]: Without dead ends: 76 [2021-10-16 03:15:16,832 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:16,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-10-16 03:15:16,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-10-16 03:15:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2021-10-16 03:15:16,841 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2021-10-16 03:15:16,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:16,842 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2021-10-16 03:15:16,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-10-16 03:15:16,842 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2021-10-16 03:15:16,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-16 03:15:16,843 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:16,844 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] [2021-10-16 03:15:16,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:17,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:17,058 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:17,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:17,059 INFO L82 PathProgramCache]: Analyzing trace with hash -44236562, now seen corresponding path program 1 times [2021-10-16 03:15:17,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:17,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191548734] [2021-10-16 03:15:17,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:17,060 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:17,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:17,061 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:17,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 03:15:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:17,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:15:17,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:17,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:17,714 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:17,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191548734] [2021-10-16 03:15:17,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191548734] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:17,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:17,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-16 03:15:17,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574022753] [2021-10-16 03:15:17,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 03:15:17,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:17,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 03:15:17,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:15:17,722 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-10-16 03:15:18,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:18,210 INFO L93 Difference]: Finished difference Result 815 states and 1186 transitions. [2021-10-16 03:15:18,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 03:15:18,211 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 32 [2021-10-16 03:15:18,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:18,216 INFO L225 Difference]: With dead ends: 815 [2021-10-16 03:15:18,217 INFO L226 Difference]: Without dead ends: 747 [2021-10-16 03:15:18,217 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 182.0ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-16 03:15:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2021-10-16 03:15:18,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 182. [2021-10-16 03:15:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 181 states have internal predecessors, (254), 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) [2021-10-16 03:15:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 254 transitions. [2021-10-16 03:15:18,247 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 254 transitions. Word has length 32 [2021-10-16 03:15:18,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:18,247 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 254 transitions. [2021-10-16 03:15:18,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-10-16 03:15:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 254 transitions. [2021-10-16 03:15:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 03:15:18,249 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:18,250 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] [2021-10-16 03:15:18,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-16 03:15:18,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:18,463 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:18,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:18,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2126400342, now seen corresponding path program 1 times [2021-10-16 03:15:18,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:18,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474068872] [2021-10-16 03:15:18,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:18,464 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:18,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:18,465 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:18,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 03:15:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:18,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:15:18,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:18,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:18,871 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:18,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474068872] [2021-10-16 03:15:18,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474068872] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:18,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:18,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 03:15:18,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878208436] [2021-10-16 03:15:18,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:15:18,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:18,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:15:18,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:15:18,873 INFO L87 Difference]: Start difference. First operand 182 states and 254 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-16 03:15:18,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:18,955 INFO L93 Difference]: Finished difference Result 569 states and 802 transitions. [2021-10-16 03:15:18,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 03:15:18,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-16 03:15:18,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:18,959 INFO L225 Difference]: With dead ends: 569 [2021-10-16 03:15:18,959 INFO L226 Difference]: Without dead ends: 440 [2021-10-16 03:15:18,960 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:15:18,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-10-16 03:15:18,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 186. [2021-10-16 03:15:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.3837837837837839) internal successors, (256), 185 states have internal predecessors, (256), 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) [2021-10-16 03:15:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 256 transitions. [2021-10-16 03:15:18,983 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 256 transitions. Word has length 33 [2021-10-16 03:15:18,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:18,984 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 256 transitions. [2021-10-16 03:15:18,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-16 03:15:18,984 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 256 transitions. [2021-10-16 03:15:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 03:15:18,986 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:18,986 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] [2021-10-16 03:15:19,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:19,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:19,205 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:19,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:19,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1868234904, now seen corresponding path program 1 times [2021-10-16 03:15:19,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:19,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220866639] [2021-10-16 03:15:19,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:19,208 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:19,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:19,212 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:19,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 03:15:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:19,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:15:19,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:19,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:19,670 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:19,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220866639] [2021-10-16 03:15:19,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220866639] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:19,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:19,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 03:15:19,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965788414] [2021-10-16 03:15:19,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 03:15:19,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:19,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 03:15:19,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:15:19,672 INFO L87 Difference]: Start difference. First operand 186 states and 256 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 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) [2021-10-16 03:15:19,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:19,861 INFO L93 Difference]: Finished difference Result 700 states and 976 transitions. [2021-10-16 03:15:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 03:15:19,862 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 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 33 [2021-10-16 03:15:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:19,866 INFO L225 Difference]: With dead ends: 700 [2021-10-16 03:15:19,867 INFO L226 Difference]: Without dead ends: 520 [2021-10-16 03:15:19,868 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 60.9ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:15:19,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-10-16 03:15:19,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 195. [2021-10-16 03:15:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 194 states have (on average 1.3556701030927836) internal successors, (263), 194 states have internal predecessors, (263), 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) [2021-10-16 03:15:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 263 transitions. [2021-10-16 03:15:19,903 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 263 transitions. Word has length 33 [2021-10-16 03:15:19,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:19,904 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 263 transitions. [2021-10-16 03:15:19,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 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) [2021-10-16 03:15:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2021-10-16 03:15:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-16 03:15:19,906 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:19,906 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, 1] [2021-10-16 03:15:19,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:20,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:20,120 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:20,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:20,121 INFO L82 PathProgramCache]: Analyzing trace with hash 941421312, now seen corresponding path program 1 times [2021-10-16 03:15:20,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:20,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171313578] [2021-10-16 03:15:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:20,123 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:20,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:20,125 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:20,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 03:15:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:20,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 03:15:20,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:20,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:20,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:20,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:20,762 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:20,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171313578] [2021-10-16 03:15:20,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171313578] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:20,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:20,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 03:15:20,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028564876] [2021-10-16 03:15:20,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:15:20,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:20,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:15:20,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:15:20,764 INFO L87 Difference]: Start difference. First operand 195 states and 263 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:21,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:21,103 INFO L93 Difference]: Finished difference Result 1232 states and 1633 transitions. [2021-10-16 03:15:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 03:15:21,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-16 03:15:21,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:21,110 INFO L225 Difference]: With dead ends: 1232 [2021-10-16 03:15:21,110 INFO L226 Difference]: Without dead ends: 1043 [2021-10-16 03:15:21,111 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 104.2ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-16 03:15:21,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-10-16 03:15:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 382. [2021-10-16 03:15:21,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 381 states have (on average 1.3333333333333333) internal successors, (508), 381 states have internal predecessors, (508), 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) [2021-10-16 03:15:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 508 transitions. [2021-10-16 03:15:21,171 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 508 transitions. Word has length 36 [2021-10-16 03:15:21,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:21,171 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 508 transitions. [2021-10-16 03:15:21,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:21,172 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 508 transitions. [2021-10-16 03:15:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-16 03:15:21,173 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:21,173 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, 1] [2021-10-16 03:15:21,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-16 03:15:21,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:21,387 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:21,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:21,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1621479682, now seen corresponding path program 1 times [2021-10-16 03:15:21,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:21,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449280073] [2021-10-16 03:15:21,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:21,388 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:21,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:21,389 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:21,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 03:15:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:21,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:15:21,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:21,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:21,875 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:21,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449280073] [2021-10-16 03:15:21,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449280073] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:21,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:21,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 03:15:21,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123866048] [2021-10-16 03:15:21,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 03:15:21,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:21,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 03:15:21,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:15:21,877 INFO L87 Difference]: Start difference. First operand 382 states and 508 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:23,511 INFO L93 Difference]: Finished difference Result 1067 states and 1439 transitions. [2021-10-16 03:15:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 03:15:23,512 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-16 03:15:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:23,516 INFO L225 Difference]: With dead ends: 1067 [2021-10-16 03:15:23,516 INFO L226 Difference]: Without dead ends: 691 [2021-10-16 03:15:23,517 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 71.7ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-16 03:15:23,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-10-16 03:15:23,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 312. [2021-10-16 03:15:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 1.2893890675241158) internal successors, (401), 311 states have internal predecessors, (401), 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) [2021-10-16 03:15:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 401 transitions. [2021-10-16 03:15:23,564 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 401 transitions. Word has length 36 [2021-10-16 03:15:23,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:23,566 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 401 transitions. [2021-10-16 03:15:23,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 401 transitions. [2021-10-16 03:15:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-16 03:15:23,568 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:23,568 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, 1, 1] [2021-10-16 03:15:23,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:23,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:23,781 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:23,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:23,781 INFO L82 PathProgramCache]: Analyzing trace with hash 886341574, now seen corresponding path program 1 times [2021-10-16 03:15:23,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:23,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338274219] [2021-10-16 03:15:23,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:23,782 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:23,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:23,783 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:23,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 03:15:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:24,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:15:24,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:24,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:24,338 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:24,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338274219] [2021-10-16 03:15:24,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338274219] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:24,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:24,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 03:15:24,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914174245] [2021-10-16 03:15:24,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 03:15:24,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:24,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 03:15:24,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:15:24,340 INFO L87 Difference]: Start difference. First operand 312 states and 401 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2021-10-16 03:15:27,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:27,204 INFO L93 Difference]: Finished difference Result 983 states and 1253 transitions. [2021-10-16 03:15:27,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 03:15:27,204 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 37 [2021-10-16 03:15:27,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:27,208 INFO L225 Difference]: With dead ends: 983 [2021-10-16 03:15:27,209 INFO L226 Difference]: Without dead ends: 677 [2021-10-16 03:15:27,210 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 85.5ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-16 03:15:27,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-10-16 03:15:27,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 292. [2021-10-16 03:15:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.261168384879725) internal successors, (367), 291 states have internal predecessors, (367), 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) [2021-10-16 03:15:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 367 transitions. [2021-10-16 03:15:27,263 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 367 transitions. Word has length 37 [2021-10-16 03:15:27,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:27,264 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 367 transitions. [2021-10-16 03:15:27,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2021-10-16 03:15:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 367 transitions. [2021-10-16 03:15:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-16 03:15:27,265 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:27,265 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:27,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:27,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:27,478 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:27,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:27,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1892715278, now seen corresponding path program 1 times [2021-10-16 03:15:27,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:27,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007559917] [2021-10-16 03:15:27,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:27,480 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:27,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:27,481 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:27,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 03:15:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:27,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:15:27,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:27,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 03:15:27,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 03:15:28,185 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:28,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007559917] [2021-10-16 03:15:28,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007559917] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:28,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:28,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-16 03:15:28,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128246171] [2021-10-16 03:15:28,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:15:28,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:28,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:15:28,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:15:28,187 INFO L87 Difference]: Start difference. First operand 292 states and 367 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2021-10-16 03:15:31,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:31,730 INFO L93 Difference]: Finished difference Result 1010 states and 1302 transitions. [2021-10-16 03:15:31,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 03:15:31,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 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 54 [2021-10-16 03:15:31,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:31,737 INFO L225 Difference]: With dead ends: 1010 [2021-10-16 03:15:31,737 INFO L226 Difference]: Without dead ends: 820 [2021-10-16 03:15:31,738 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:15:31,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2021-10-16 03:15:31,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 679. [2021-10-16 03:15:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 678 states have (on average 1.2551622418879056) internal successors, (851), 678 states have internal predecessors, (851), 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) [2021-10-16 03:15:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 851 transitions. [2021-10-16 03:15:31,877 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 851 transitions. Word has length 54 [2021-10-16 03:15:31,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:31,877 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 851 transitions. [2021-10-16 03:15:31,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2021-10-16 03:15:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 851 transitions. [2021-10-16 03:15:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-16 03:15:31,880 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:31,881 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:31,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:32,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:32,096 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:32,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:32,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1485859958, now seen corresponding path program 1 times [2021-10-16 03:15:32,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:32,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76047502] [2021-10-16 03:15:32,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:32,097 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:32,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:32,098 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:32,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-16 03:15:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:32,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:15:32,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:32,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:32,786 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:32,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76047502] [2021-10-16 03:15:32,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76047502] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:32,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:32,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 03:15:32,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037348892] [2021-10-16 03:15:32,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:15:32,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:32,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:15:32,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:15:32,788 INFO L87 Difference]: Start difference. First operand 679 states and 851 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 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) [2021-10-16 03:15:33,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:33,052 INFO L93 Difference]: Finished difference Result 1735 states and 2168 transitions. [2021-10-16 03:15:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 03:15:33,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 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 54 [2021-10-16 03:15:33,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:33,058 INFO L225 Difference]: With dead ends: 1735 [2021-10-16 03:15:33,058 INFO L226 Difference]: Without dead ends: 1062 [2021-10-16 03:15:33,059 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 35.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:15:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-10-16 03:15:33,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 679. [2021-10-16 03:15:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 678 states have (on average 1.233038348082596) internal successors, (836), 678 states have internal predecessors, (836), 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) [2021-10-16 03:15:33,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 836 transitions. [2021-10-16 03:15:33,159 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 836 transitions. Word has length 54 [2021-10-16 03:15:33,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:33,159 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 836 transitions. [2021-10-16 03:15:33,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 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) [2021-10-16 03:15:33,160 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 836 transitions. [2021-10-16 03:15:33,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 03:15:33,161 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:33,161 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:33,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:33,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:33,374 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:33,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:33,374 INFO L82 PathProgramCache]: Analyzing trace with hash 675182755, now seen corresponding path program 1 times [2021-10-16 03:15:33,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:33,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168557210] [2021-10-16 03:15:33,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:33,375 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:33,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:33,376 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:33,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-16 03:15:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:33,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 03:15:33,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:33,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:34,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:34,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168557210] [2021-10-16 03:15:34,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168557210] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:34,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:34,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 03:15:34,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081262926] [2021-10-16 03:15:34,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:15:34,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:34,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:15:34,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:15:34,078 INFO L87 Difference]: Start difference. First operand 679 states and 836 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 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) [2021-10-16 03:15:35,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:35,949 INFO L93 Difference]: Finished difference Result 2581 states and 3169 transitions. [2021-10-16 03:15:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 03:15:35,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 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 [2021-10-16 03:15:35,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:35,960 INFO L225 Difference]: With dead ends: 2581 [2021-10-16 03:15:35,961 INFO L226 Difference]: Without dead ends: 2000 [2021-10-16 03:15:35,962 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 73.2ms TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-16 03:15:35,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2021-10-16 03:15:36,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 867. [2021-10-16 03:15:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 866 states have (on average 1.2240184757505774) internal successors, (1060), 866 states have internal predecessors, (1060), 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) [2021-10-16 03:15:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1060 transitions. [2021-10-16 03:15:36,111 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1060 transitions. Word has length 56 [2021-10-16 03:15:36,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:36,111 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1060 transitions. [2021-10-16 03:15:36,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 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) [2021-10-16 03:15:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1060 transitions. [2021-10-16 03:15:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 03:15:36,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:36,113 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:36,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:36,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:36,325 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:36,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:36,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1054337216, now seen corresponding path program 1 times [2021-10-16 03:15:36,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:36,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651035826] [2021-10-16 03:15:36,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:36,326 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:36,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:36,327 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:36,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-16 03:15:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:36,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 03:15:36,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 03:15:36,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 03:15:36,993 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:36,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651035826] [2021-10-16 03:15:36,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651035826] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:36,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:36,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-16 03:15:36,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753243639] [2021-10-16 03:15:36,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 03:15:36,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:36,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 03:15:36,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:15:36,995 INFO L87 Difference]: Start difference. First operand 867 states and 1060 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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) [2021-10-16 03:15:38,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:38,761 INFO L93 Difference]: Finished difference Result 3075 states and 3770 transitions. [2021-10-16 03:15:38,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 03:15:38,762 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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 [2021-10-16 03:15:38,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:38,775 INFO L225 Difference]: With dead ends: 3075 [2021-10-16 03:15:38,775 INFO L226 Difference]: Without dead ends: 2286 [2021-10-16 03:15:38,777 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 110.6ms TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2021-10-16 03:15:38,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2021-10-16 03:15:38,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 833. [2021-10-16 03:15:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.2175480769230769) internal successors, (1013), 832 states have internal predecessors, (1013), 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) [2021-10-16 03:15:38,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1013 transitions. [2021-10-16 03:15:38,959 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1013 transitions. Word has length 56 [2021-10-16 03:15:38,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:38,960 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1013 transitions. [2021-10-16 03:15:38,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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) [2021-10-16 03:15:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1013 transitions. [2021-10-16 03:15:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 03:15:38,961 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:38,962 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:38,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:39,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:39,176 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:39,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:39,176 INFO L82 PathProgramCache]: Analyzing trace with hash 657781173, now seen corresponding path program 1 times [2021-10-16 03:15:39,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:39,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823944407] [2021-10-16 03:15:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:39,177 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:39,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:39,185 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:39,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-16 03:15:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:39,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:15:39,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:15:39,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:15:39,905 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:39,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823944407] [2021-10-16 03:15:39,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823944407] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:39,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:39,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 03:15:39,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422459372] [2021-10-16 03:15:39,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:15:39,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:39,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:15:39,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:15:39,907 INFO L87 Difference]: Start difference. First operand 833 states and 1013 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-16 03:15:40,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:40,093 INFO L93 Difference]: Finished difference Result 1875 states and 2293 transitions. [2021-10-16 03:15:40,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 03:15:40,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 [2021-10-16 03:15:40,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:40,100 INFO L225 Difference]: With dead ends: 1875 [2021-10-16 03:15:40,101 INFO L226 Difference]: Without dead ends: 1048 [2021-10-16 03:15:40,102 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:15:40,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2021-10-16 03:15:40,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 833. [2021-10-16 03:15:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.2079326923076923) internal successors, (1005), 832 states have internal predecessors, (1005), 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) [2021-10-16 03:15:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1005 transitions. [2021-10-16 03:15:40,239 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1005 transitions. Word has length 56 [2021-10-16 03:15:40,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:40,240 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1005 transitions. [2021-10-16 03:15:40,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-16 03:15:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1005 transitions. [2021-10-16 03:15:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 03:15:40,241 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:40,241 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:40,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-10-16 03:15:40,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:40,454 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:40,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:40,455 INFO L82 PathProgramCache]: Analyzing trace with hash 263414387, now seen corresponding path program 1 times [2021-10-16 03:15:40,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:40,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69173493] [2021-10-16 03:15:40,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:40,456 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:40,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:40,458 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:40,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-16 03:15:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:40,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:15:40,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:15:41,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:41,177 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 03:15:41,177 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:41,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69173493] [2021-10-16 03:15:41,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69173493] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:41,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:41,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 03:15:41,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562098634] [2021-10-16 03:15:41,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:15:41,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:41,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:15:41,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:15:41,179 INFO L87 Difference]: Start difference. First operand 833 states and 1005 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-16 03:15:41,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:41,308 INFO L93 Difference]: Finished difference Result 1785 states and 2179 transitions. [2021-10-16 03:15:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:15:41,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 [2021-10-16 03:15:41,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:41,314 INFO L225 Difference]: With dead ends: 1785 [2021-10-16 03:15:41,314 INFO L226 Difference]: Without dead ends: 958 [2021-10-16 03:15:41,316 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 21.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:15:41,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-10-16 03:15:41,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 705. [2021-10-16 03:15:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 704 states have (on average 1.2144886363636365) internal successors, (855), 704 states have internal predecessors, (855), 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) [2021-10-16 03:15:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 855 transitions. [2021-10-16 03:15:41,454 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 855 transitions. Word has length 56 [2021-10-16 03:15:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:41,455 INFO L470 AbstractCegarLoop]: Abstraction has 705 states and 855 transitions. [2021-10-16 03:15:41,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-16 03:15:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 855 transitions. [2021-10-16 03:15:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-16 03:15:41,456 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:41,456 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:41,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:41,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:41,669 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:41,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:41,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1609070286, now seen corresponding path program 1 times [2021-10-16 03:15:41,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:15:41,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453653450] [2021-10-16 03:15:41,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:41,670 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:15:41,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:15:41,671 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:15:41,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-16 03:15:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:42,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 03:15:42,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:15:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 03:15:42,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:15:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 03:15:42,714 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:15:42,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453653450] [2021-10-16 03:15:42,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453653450] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:42,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:42,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 03:15:42,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945895885] [2021-10-16 03:15:42,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:15:42,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:15:42,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:15:42,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:15:42,716 INFO L87 Difference]: Start difference. First operand 705 states and 855 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:43,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:43,046 INFO L93 Difference]: Finished difference Result 1672 states and 2031 transitions. [2021-10-16 03:15:43,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 03:15:43,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-16 03:15:43,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:43,047 INFO L225 Difference]: With dead ends: 1672 [2021-10-16 03:15:43,047 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:15:43,052 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 79.8ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-16 03:15:43,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:15:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:15:43,053 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) [2021-10-16 03:15:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:15:43,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-16 03:15:43,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:43,054 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:15:43,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:15:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:15:43,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:15:43,058 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:15:43,059 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:15:43,059 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:15:43,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-16 03:15:43,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:15:43,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:15:43,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:43,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:45,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:46,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:46,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:46,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:46,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:46,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:46,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:46,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:50,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:51,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:55,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:56,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:56,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:56,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:56,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:57,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:16:12,742 WARN L207 SmtUtils]: Spent 9.18 s on a formula simplification. DAG size of input: 483 DAG size of output: 39 [2021-10-16 03:16:27,420 WARN L207 SmtUtils]: Spent 10.12 s on a formula simplification. DAG size of input: 493 DAG size of output: 39 [2021-10-16 03:16:36,236 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-10-16 03:16:36,236 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-10-16 03:16:36,236 INFO L853 garLoopResultBuilder]: At program point L168(lines 163 171) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) .cse7) (and .cse0 .cse1 .cse2 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 (not (= ~waterLevel~0 (_ bv2 32))) .cse5 .cse6 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-16 03:16:36,236 INFO L853 garLoopResultBuilder]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2021-10-16 03:16:36,236 INFO L853 garLoopResultBuilder]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2021-10-16 03:16:36,236 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2021-10-16 03:16:36,237 INFO L853 garLoopResultBuilder]: At program point L69-1(lines 1 959) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse14 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse7 .cse10 .cse11 .cse12 .cse13 .cse3 .cse8 .cse9) (and .cse0 .cse7 .cse10 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse11 .cse12 .cse13 .cse3 .cse9) (and .cse0 .cse11 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse6) (and .cse0 .cse14 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse10 .cse11 .cse14 .cse13 .cse3 .cse6))) [2021-10-16 03:16:36,237 INFO L857 garLoopResultBuilder]: For program point L69-2(lines 69 82) no Hoare annotation was computed. [2021-10-16 03:16:36,237 INFO L853 garLoopResultBuilder]: At program point L69-3(lines 1 959) the Hoare annotation is: false [2021-10-16 03:16:36,237 INFO L857 garLoopResultBuilder]: For program point L69-4(lines 69 82) no Hoare annotation was computed. [2021-10-16 03:16:36,237 INFO L853 garLoopResultBuilder]: At program point L69-5(lines 1 959) the Hoare annotation is: false [2021-10-16 03:16:36,237 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-10-16 03:16:36,237 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 298 304) no Hoare annotation was computed. [2021-10-16 03:16:36,237 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 342) no Hoare annotation was computed. [2021-10-16 03:16:36,237 INFO L857 garLoopResultBuilder]: For program point L334-1(lines 334 342) no Hoare annotation was computed. [2021-10-16 03:16:36,238 INFO L857 garLoopResultBuilder]: For program point L334-2(lines 334 342) no Hoare annotation was computed. [2021-10-16 03:16:36,238 INFO L857 garLoopResultBuilder]: For program point L334-3(lines 334 342) no Hoare annotation was computed. [2021-10-16 03:16:36,238 INFO L857 garLoopResultBuilder]: For program point L334-4(lines 334 342) no Hoare annotation was computed. [2021-10-16 03:16:36,238 INFO L857 garLoopResultBuilder]: For program point L334-5(lines 334 342) no Hoare annotation was computed. [2021-10-16 03:16:36,238 INFO L853 garLoopResultBuilder]: At program point L136(lines 131 139) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-16 03:16:36,238 INFO L853 garLoopResultBuilder]: At program point L136-1(lines 131 139) the Hoare annotation is: false [2021-10-16 03:16:36,238 INFO L853 garLoopResultBuilder]: At program point L136-2(lines 131 139) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse13 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse12 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 (_ bv0 32)))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse2 .cse11 .cse12 .cse4 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse14 .cse4 .cse5 .cse6 .cse7 .cse10) (and .cse1 .cse2 .cse13 .cse11 .cse12 .cse14 .cse4 .cse10))) [2021-10-16 03:16:36,239 INFO L853 garLoopResultBuilder]: At program point L136-3(lines 131 139) the Hoare annotation is: (let ((.cse8 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse8 .cse5 .cse10 .cse11 .cse9) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse12 .cse5 .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse12 .cse5 .cse10 .cse11 .cse9))) [2021-10-16 03:16:36,239 INFO L853 garLoopResultBuilder]: At program point L136-4(lines 131 139) the Hoare annotation is: false [2021-10-16 03:16:36,239 INFO L853 garLoopResultBuilder]: At program point L136-5(lines 131 139) the Hoare annotation is: false [2021-10-16 03:16:36,239 INFO L853 garLoopResultBuilder]: At program point L136-6(lines 131 139) the Hoare annotation is: false [2021-10-16 03:16:36,240 INFO L853 garLoopResultBuilder]: At program point L136-7(lines 131 139) the Hoare annotation is: false [2021-10-16 03:16:36,240 INFO L853 garLoopResultBuilder]: At program point L136-8(lines 131 139) the Hoare annotation is: false [2021-10-16 03:16:36,240 INFO L853 garLoopResultBuilder]: At program point L136-9(lines 131 139) the Hoare annotation is: false [2021-10-16 03:16:36,240 INFO L853 garLoopResultBuilder]: At program point L136-10(lines 131 139) the Hoare annotation is: false [2021-10-16 03:16:36,240 INFO L853 garLoopResultBuilder]: At program point L136-11(lines 131 139) the Hoare annotation is: false [2021-10-16 03:16:36,240 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-10-16 03:16:36,241 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 298 304) no Hoare annotation was computed. [2021-10-16 03:16:36,241 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2021-10-16 03:16:36,241 INFO L857 garLoopResultBuilder]: For program point L73-2(lines 73 79) no Hoare annotation was computed. [2021-10-16 03:16:36,241 INFO L857 garLoopResultBuilder]: For program point L73-4(lines 73 79) no Hoare annotation was computed. [2021-10-16 03:16:36,241 INFO L853 garLoopResultBuilder]: At program point L305(lines 305 311) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse12 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse5 .cse6 .cse9 .cse10 .cse7) (and .cse0 .cse11 .cse5 .cse9 .cse12) (and .cse0 .cse8 .cse5 .cse9 .cse10 .cse12) (and .cse0 .cse2 .cse11 .cse5 .cse12))) [2021-10-16 03:16:36,242 INFO L853 garLoopResultBuilder]: At program point L305-1(lines 305 311) the Hoare annotation is: false [2021-10-16 03:16:36,242 INFO L853 garLoopResultBuilder]: At program point L305-2(lines 305 311) the Hoare annotation is: false [2021-10-16 03:16:36,242 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-10-16 03:16:36,242 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-10-16 03:16:36,242 INFO L853 garLoopResultBuilder]: At program point L506-1(lines 506 512) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5 .cse6 .cse3) (and .cse0 .cse7 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 .cse8 .cse5 .cse6 .cse9) (and .cse0 .cse7 .cse10 .cse1 .cse11 .cse12 .cse2 .cse8 .cse9) (and .cse0 .cse7 .cse10 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse11 .cse12 .cse2 .cse9) (and .cse0 .cse10 .cse1 .cse12 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-16 03:16:36,243 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2021-10-16 03:16:36,243 INFO L860 garLoopResultBuilder]: At program point L275-1(lines 275 282) the Hoare annotation is: true [2021-10-16 03:16:36,243 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 182) no Hoare annotation was computed. [2021-10-16 03:16:36,243 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-10-16 03:16:36,243 INFO L857 garLoopResultBuilder]: For program point L176-2(lines 176 182) no Hoare annotation was computed. [2021-10-16 03:16:36,243 INFO L857 garLoopResultBuilder]: For program point L176-3(lines 176 182) no Hoare annotation was computed. [2021-10-16 03:16:36,244 INFO L857 garLoopResultBuilder]: For program point L176-4(lines 176 182) no Hoare annotation was computed. [2021-10-16 03:16:36,244 INFO L857 garLoopResultBuilder]: For program point L176-5(lines 176 182) no Hoare annotation was computed. [2021-10-16 03:16:36,244 INFO L853 garLoopResultBuilder]: At program point L573(lines 1 959) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:16:36,244 INFO L857 garLoopResultBuilder]: For program point L111(lines 111 115) no Hoare annotation was computed. [2021-10-16 03:16:36,244 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,244 INFO L857 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,245 INFO L857 garLoopResultBuilder]: For program point L475-3(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,245 INFO L857 garLoopResultBuilder]: For program point L475-5(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,245 INFO L857 garLoopResultBuilder]: For program point L475-6(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,245 INFO L857 garLoopResultBuilder]: For program point L475-8(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,245 INFO L857 garLoopResultBuilder]: For program point L475-9(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,245 INFO L857 garLoopResultBuilder]: For program point L475-11(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,245 INFO L857 garLoopResultBuilder]: For program point L475-12(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,246 INFO L857 garLoopResultBuilder]: For program point L475-14(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,246 INFO L857 garLoopResultBuilder]: For program point L475-15(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,246 INFO L857 garLoopResultBuilder]: For program point L475-17(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:16:36,246 INFO L853 garLoopResultBuilder]: At program point L542(lines 495 543) the Hoare annotation is: false [2021-10-16 03:16:36,246 INFO L853 garLoopResultBuilder]: At program point L181(lines 172 185) the Hoare annotation is: false [2021-10-16 03:16:36,247 INFO L853 garLoopResultBuilder]: At program point L181-1(lines 172 185) the Hoare annotation is: (let ((.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse4 .cse5) (and .cse0 .cse7 .cse6 .cse8 .cse2 .cse5))) [2021-10-16 03:16:36,247 INFO L853 garLoopResultBuilder]: At program point L181-2(lines 172 185) the Hoare annotation is: false [2021-10-16 03:16:36,247 INFO L853 garLoopResultBuilder]: At program point L181-3(lines 172 185) the Hoare annotation is: false [2021-10-16 03:16:36,247 INFO L853 garLoopResultBuilder]: At program point L181-4(lines 172 185) the Hoare annotation is: false [2021-10-16 03:16:36,247 INFO L853 garLoopResultBuilder]: At program point L181-5(lines 172 185) the Hoare annotation is: false [2021-10-16 03:16:36,247 INFO L853 garLoopResultBuilder]: At program point L248(lines 244 250) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:16:36,248 INFO L853 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: false [2021-10-16 03:16:36,248 INFO L853 garLoopResultBuilder]: At program point L481-1(lines 466 484) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse9 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (not .cse15)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse9 .cse3 .cse10 .cse4 .cse11 .cse12 .cse6 .cse7) (and .cse1 .cse9 .cse8 .cse3 .cse10 .cse4 .cse11 .cse12 .cse7) (and .cse0 .cse1 .cse2 .cse13 .cse8 .cse4 .cse14 .cse5 .cse7) (and .cse0 .cse1 .cse15 .cse13 .cse4 .cse14 .cse5 .cse6 .cse7)))) [2021-10-16 03:16:36,248 INFO L853 garLoopResultBuilder]: At program point L481-2(lines 466 484) the Hoare annotation is: false [2021-10-16 03:16:36,248 INFO L853 garLoopResultBuilder]: At program point L481-3(lines 466 484) the Hoare annotation is: false [2021-10-16 03:16:36,248 INFO L853 garLoopResultBuilder]: At program point L481-4(lines 466 484) the Hoare annotation is: false [2021-10-16 03:16:36,249 INFO L853 garLoopResultBuilder]: At program point L481-5(lines 466 484) the Hoare annotation is: false [2021-10-16 03:16:36,249 INFO L853 garLoopResultBuilder]: At program point L581(lines 576 584) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:16:36,249 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:16:36,249 INFO L860 garLoopResultBuilder]: At program point L284(lines 265 287) the Hoare annotation is: true [2021-10-16 03:16:36,249 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-10-16 03:16:36,249 INFO L853 garLoopResultBuilder]: At program point L516-1(lines 516 522) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse8 .cse1 .cse9 .cse10 .cse2 .cse7) (and .cse0 .cse5 .cse2 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse10 .cse2 .cse4 .cse7))) [2021-10-16 03:16:36,250 INFO L853 garLoopResultBuilder]: At program point L417(lines 410 420) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-16 03:16:36,250 INFO L853 garLoopResultBuilder]: At program point L417-1(lines 410 420) the Hoare annotation is: false [2021-10-16 03:16:36,250 INFO L853 garLoopResultBuilder]: At program point L417-2(lines 410 420) the Hoare annotation is: (let ((.cse17 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse3 (not .cse17)) (.cse5 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 (_ bv0 32)))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse7 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse15 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2)) (.cse16 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse10 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse9 .cse5 .cse7 .cse10 .cse11 .cse8) (and .cse12 .cse0 .cse1 .cse13 .cse2 .cse4 .cse6 .cse7 .cse14 .cse15 .cse16 .cse8) (and .cse12 .cse0 .cse17 .cse13 .cse9 .cse7 .cse14 .cse15 .cse16 .cse10 .cse11 .cse8)))) [2021-10-16 03:16:36,250 INFO L853 garLoopResultBuilder]: At program point L417-3(lines 410 420) the Hoare annotation is: false [2021-10-16 03:16:36,250 INFO L853 garLoopResultBuilder]: At program point L417-4(lines 410 420) the Hoare annotation is: false [2021-10-16 03:16:36,251 INFO L853 garLoopResultBuilder]: At program point L417-5(lines 410 420) the Hoare annotation is: false [2021-10-16 03:16:36,251 INFO L853 garLoopResultBuilder]: At program point L417-6(lines 410 420) the Hoare annotation is: false [2021-10-16 03:16:36,251 INFO L853 garLoopResultBuilder]: At program point L417-7(lines 410 420) the Hoare annotation is: false [2021-10-16 03:16:36,251 INFO L853 garLoopResultBuilder]: At program point L417-8(lines 410 420) the Hoare annotation is: false [2021-10-16 03:16:36,251 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 127) no Hoare annotation was computed. [2021-10-16 03:16:36,251 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:16:36,251 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 373) no Hoare annotation was computed. [2021-10-16 03:16:36,251 INFO L857 garLoopResultBuilder]: For program point L356-1(lines 356 373) no Hoare annotation was computed. [2021-10-16 03:16:36,251 INFO L857 garLoopResultBuilder]: For program point L356-2(lines 356 373) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point L590-2(line 590) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point L392-2(lines 392 398) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point L392-4(lines 392 398) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point L392-6(lines 392 398) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point L392-8(lines 392 398) no Hoare annotation was computed. [2021-10-16 03:16:36,252 INFO L857 garLoopResultBuilder]: For program point L392-10(lines 392 398) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L853 garLoopResultBuilder]: At program point L426(lines 421 429) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) .cse8 .cse9))) [2021-10-16 03:16:36,253 INFO L853 garLoopResultBuilder]: At program point L426-1(lines 421 429) the Hoare annotation is: false [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 368) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L853 garLoopResultBuilder]: At program point L426-2(lines 421 429) the Hoare annotation is: false [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point L360-1(lines 360 368) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point L360-2(lines 360 368) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point L63-2(lines 63 83) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point L63-4(lines 63 83) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 537) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-10-16 03:16:36,253 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 347) no Hoare annotation was computed. [2021-10-16 03:16:36,254 INFO L857 garLoopResultBuilder]: For program point L330-1(lines 330 347) no Hoare annotation was computed. [2021-10-16 03:16:36,254 INFO L857 garLoopResultBuilder]: For program point L330-2(lines 330 347) no Hoare annotation was computed. [2021-10-16 03:16:36,254 INFO L857 garLoopResultBuilder]: For program point L330-3(lines 330 347) no Hoare annotation was computed. [2021-10-16 03:16:36,254 INFO L857 garLoopResultBuilder]: For program point L330-4(lines 330 347) no Hoare annotation was computed. [2021-10-16 03:16:36,254 INFO L857 garLoopResultBuilder]: For program point L330-5(lines 330 347) no Hoare annotation was computed. [2021-10-16 03:16:36,254 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 103) no Hoare annotation was computed. [2021-10-16 03:16:36,254 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2021-10-16 03:16:36,254 INFO L857 garLoopResultBuilder]: For program point L99-6(lines 99 103) no Hoare annotation was computed. [2021-10-16 03:16:36,255 INFO L853 garLoopResultBuilder]: At program point L298(lines 297 316) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (not (bvslt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv2 32)))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse1 .cse8 .cse9 .cse10 .cse2 .cse7) (and .cse0 .cse5 .cse2 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse10 .cse2 .cse4 .cse7))) [2021-10-16 03:16:36,255 INFO L857 garLoopResultBuilder]: For program point L298-1(lines 298 304) no Hoare annotation was computed. [2021-10-16 03:16:36,255 INFO L853 garLoopResultBuilder]: At program point L298-2(lines 297 316) the Hoare annotation is: false [2021-10-16 03:16:36,255 INFO L853 garLoopResultBuilder]: At program point L298-3(lines 297 316) the Hoare annotation is: false [2021-10-16 03:16:36,255 INFO L853 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: false [2021-10-16 03:16:36,255 INFO L857 garLoopResultBuilder]: For program point L497(lines 496 541) no Hoare annotation was computed. [2021-10-16 03:16:36,256 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-16 03:16:36,260 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:16:36,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:16:36 BoogieIcfgContainer [2021-10-16 03:16:36,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:16:36,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:16:36,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:16:36,299 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:16:36,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:15:14" (3/4) ... [2021-10-16 03:16:36,302 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:16:36,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 03:16:36,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 03:16:36,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 03:16:36,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 03:16:36,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 03:16:36,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:16:36,331 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:16:36,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:16:36,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:16:36,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) [2021-10-16 03:16:36,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) [2021-10-16 03:16:36,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:16:36,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:16:36,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) [2021-10-16 03:16:36,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) [2021-10-16 03:16:36,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:16:36,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:16:36,382 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:16:36,382 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) && tmp == 0bv32) || ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 1bv32 == \result) && tmp == 0bv32) [2021-10-16 03:16:36,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:16:36,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && \result == 1bv32) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 03:16:36,441 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:16:36,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:16:36,442 INFO L168 Benchmark]: Toolchain (without parser) took 85496.29 ms. Allocated memory was 62.9 MB in the beginning and 612.4 MB in the end (delta: 549.5 MB). Free memory was 42.0 MB in the beginning and 385.2 MB in the end (delta: -343.2 MB). Peak memory consumption was 205.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:36,443 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 44.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:16:36,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.11 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 31.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:36,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.08 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 31.1 MB in the beginning and 61.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:36,444 INFO L168 Benchmark]: Boogie Preprocessor took 108.47 ms. Allocated memory is still 79.7 MB. Free memory was 61.3 MB in the beginning and 58.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:36,444 INFO L168 Benchmark]: RCFGBuilder took 2323.05 ms. Allocated memory is still 79.7 MB. Free memory was 58.5 MB in the beginning and 58.7 MB in the end (delta: -150.3 kB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:36,445 INFO L168 Benchmark]: TraceAbstraction took 82076.80 ms. Allocated memory was 79.7 MB in the beginning and 612.4 MB in the end (delta: 532.7 MB). Free memory was 58.1 MB in the beginning and 396.7 MB in the end (delta: -338.6 MB). Peak memory consumption was 384.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:36,445 INFO L168 Benchmark]: Witness Printer took 142.50 ms. Allocated memory is still 612.4 MB. Free memory was 396.7 MB in the beginning and 385.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:36,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 44.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 717.11 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 31.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.08 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 31.1 MB in the beginning and 61.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.47 ms. Allocated memory is still 79.7 MB. Free memory was 61.3 MB in the beginning and 58.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2323.05 ms. Allocated memory is still 79.7 MB. Free memory was 58.5 MB in the beginning and 58.7 MB in the end (delta: -150.3 kB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 82076.80 ms. Allocated memory was 79.7 MB in the beginning and 612.4 MB in the end (delta: 532.7 MB). Free memory was 58.1 MB in the beginning and 396.7 MB in the end (delta: -338.6 MB). Peak memory consumption was 384.8 MB. Max. memory is 16.1 GB. * Witness Printer took 142.50 ms. Allocated memory is still 612.4 MB. Free memory was 396.7 MB in the beginning and 385.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 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: 590]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 590]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 590]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 81967.3ms, OverallIterations: 17, TraceHistogramMax: 2, EmptinessCheckTime: 40.8ms, AutomataDifference: 14004.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 52962.5ms, InitialAbstractionConstructionTime: 16.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2112 SDtfs, 3838 SDslu, 5790 SDs, 0 SdLazy, 868 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10753.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1404 GetRequests, 1282 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 939.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=13, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1173.0ms AutomataMinimizationTime, 17 MinimizatonAttempts, 6149 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 386 NumberOfFragments, 1664 HoareAnnotationTreeSize, 57 FomulaSimplifications, 860772154 FormulaSimplificationTreeSizeReduction, 14137.5ms HoareSimplificationTime, 57 FomulaSimplificationsInter, 26638628 FormulaSimplificationTreeSizeReductionInter, 38799.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 365.9ms SsaConstructionTime, 1976.2ms SatisfiabilityAnalysisTime, 4812.6ms InterpolantComputationTime, 684 NumberOfCodeBlocks, 684 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 2481 SizeOfPredicates, 42 NumberOfNonLiveVariables, 3833 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 PerfectInterpolantSequences, 218/218 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: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && \result == 1bv32) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) && tmp == 0bv32) || ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 1bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-16 03:16:36,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6e134-d925-46d8-8cbc-fb305109c8b6/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...