./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/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_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:41:42,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:41:42,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:41:42,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:41:42,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:41:42,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:41:42,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:41:42,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:41:42,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:41:42,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:41:42,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:41:42,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:41:42,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:41:42,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:41:42,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:41:42,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:41:42,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:41:42,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:41:42,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:41:42,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:41:42,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:41:42,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:41:42,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:41:42,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:41:42,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:41:42,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:41:42,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:41:42,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:41:42,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:41:42,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:41:42,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:41:42,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:41:42,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:41:42,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:41:42,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:41:42,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:41:42,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:41:42,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:41:42,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:41:42,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:41:42,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:41:42,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:41:42,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:41:42,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:41:42,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:41:42,944 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:41:42,944 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:41:42,944 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:41:42,945 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:41:42,945 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:41:42,945 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:41:42,946 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:41:42,946 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:41:42,946 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:41:42,947 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:41:42,947 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:41:42,947 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:41:42,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:41:42,949 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:41:42,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:41:42,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:41:42,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:41:42,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:41:42,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:41:42,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:41:42,951 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:41:42,951 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:41:42,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:41:42,952 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:41:42,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:41:42,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:41:42,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:41:42,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:41:42,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:41:42,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:41:42,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:41:42,954 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:41:42,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:41:42,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:41:42,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:41:42,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:41:42,956 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_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 [2021-11-07 01:41:43,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:41:43,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:41:43,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:41:43,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:41:43,344 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:41:43,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-11-07 01:41:43,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data/cc2aeff9c/e0df3df34e0f41148480477b494fd387/FLAG1af2cd3b9 [2021-11-07 01:41:44,089 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:41:44,100 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-11-07 01:41:44,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data/cc2aeff9c/e0df3df34e0f41148480477b494fd387/FLAG1af2cd3b9 [2021-11-07 01:41:44,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data/cc2aeff9c/e0df3df34e0f41148480477b494fd387 [2021-11-07 01:41:44,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:41:44,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:41:44,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:41:44,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:41:44,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:41:44,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:44" (1/1) ... [2021-11-07 01:41:44,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5fa450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:44, skipping insertion in model container [2021-11-07 01:41:44,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:44" (1/1) ... [2021-11-07 01:41:44,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:41:44,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:41:44,738 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_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-11-07 01:41:44,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:41:44,821 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:41:44,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25103947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:44, skipping insertion in model container [2021-11-07 01:41:44,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:41:44,823 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:41:44,827 INFO L168 Benchmark]: Toolchain (without parser) took 448.35 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 52.4 MB in the beginning and 84.9 MB in the end (delta: -32.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:44,828 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory was 59.7 MB in the beginning and 59.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:41:44,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.88 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 52.2 MB in the beginning and 84.9 MB in the end (delta: -32.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:44,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory was 59.7 MB in the beginning and 59.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 444.88 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 52.2 MB in the beginning and 84.9 MB in the end (delta: -32.7 MB). Peak memory consumption was 8.4 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/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_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:41:47,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:41:47,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:41:47,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:41:47,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:41:47,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:41:47,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:41:47,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:41:47,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:41:47,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:41:47,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:41:47,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:41:47,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:41:47,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:41:47,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:41:47,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:41:47,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:41:47,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:41:47,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:41:47,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:41:47,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:41:47,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:41:47,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:41:47,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:41:47,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:41:47,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:41:47,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:41:47,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:41:47,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:41:47,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:41:47,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:41:47,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:41:47,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:41:47,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:41:47,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:41:47,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:41:47,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:41:47,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:41:47,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:41:47,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:41:47,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:41:47,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:41:47,943 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:41:47,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:41:47,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:41:47,945 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:41:47,946 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:41:47,946 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:41:47,946 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:41:47,946 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:41:47,947 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:41:47,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:41:47,950 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:41:47,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:41:47,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:41:47,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:41:47,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:41:47,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:41:47,952 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:41:47,952 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:41:47,952 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:41:47,952 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:41:47,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:41:47,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:41:47,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:41:47,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:41:47,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:41:47,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:41:47,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:41:47,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:41:47,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:41:47,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:41:47,956 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:41:47,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:41:47,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:41:47,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:41:47,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:41:47,958 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_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 [2021-11-07 01:41:48,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:41:48,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:41:48,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:41:48,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:41:48,517 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:41:48,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-11-07 01:41:48,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data/c0d196e9a/7844ebbf9799460f8e0d5b04b226aecd/FLAG2e50e10a7 [2021-11-07 01:41:49,440 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:41:49,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-11-07 01:41:49,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data/c0d196e9a/7844ebbf9799460f8e0d5b04b226aecd/FLAG2e50e10a7 [2021-11-07 01:41:49,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/data/c0d196e9a/7844ebbf9799460f8e0d5b04b226aecd [2021-11-07 01:41:49,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:41:49,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:41:49,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:41:49,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:41:49,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:41:49,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:49" (1/1) ... [2021-11-07 01:41:49,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f917d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:49, skipping insertion in model container [2021-11-07 01:41:49,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:41:49" (1/1) ... [2021-11-07 01:41:49,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:41:49,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:41:50,131 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_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-11-07 01:41:50,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:41:50,217 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:41:50,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:41:50,272 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_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-11-07 01:41:50,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:41:50,363 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:41:50,430 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_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-11-07 01:41:50,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:41:50,520 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:41:50,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50 WrapperNode [2021-11-07 01:41:50,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:41:50,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:41:50,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:41:50,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:41:50,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:41:50,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:41:50,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:41:50,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:41:50,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:41:50,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:41:50,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:41:50,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:41:50,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (1/1) ... [2021-11-07 01:41:50,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:41:50,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:41:50,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:41:50,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:41:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:41:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:41:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:41:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:41:53,925 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:41:53,925 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-11-07 01:41:53,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:41:53 BoogieIcfgContainer [2021-11-07 01:41:53,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:41:53,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:41:53,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:41:53,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:41:53,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:41:49" (1/3) ... [2021-11-07 01:41:53,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592a3579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:41:53, skipping insertion in model container [2021-11-07 01:41:53,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:41:50" (2/3) ... [2021-11-07 01:41:53,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592a3579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:41:53, skipping insertion in model container [2021-11-07 01:41:53,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:41:53" (3/3) ... [2021-11-07 01:41:53,939 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2021-11-07 01:41:53,946 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:41:53,946 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:41:54,012 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:41:54,020 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:41:54,020 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:41:54,043 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) [2021-11-07 01:41:54,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:41:54,051 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:54,052 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:41:54,053 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:54,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:54,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1981233963, now seen corresponding path program 1 times [2021-11-07 01:41:54,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:54,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883452521] [2021-11-07 01:41:54,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:54,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:54,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:54,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:54,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:41:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:54,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:41:54,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:54,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:54,590 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:54,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883452521] [2021-11-07 01:41:54,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883452521] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:54,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:54,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:41:54,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089060700] [2021-11-07 01:41:54,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:41:54,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:54,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:41:54,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:41:54,629 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) [2021-11-07 01:41:54,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:54,701 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-11-07 01:41:54,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:41:54,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:41:54,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:54,724 INFO L225 Difference]: With dead ends: 264 [2021-11-07 01:41:54,724 INFO L226 Difference]: Without dead ends: 131 [2021-11-07 01:41:54,731 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:41:54,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-07 01:41:54,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-07 01:41:54,809 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) [2021-11-07 01:41:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-11-07 01:41:54,819 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2021-11-07 01:41:54,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:54,820 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-11-07 01:41:54,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:54,821 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-11-07 01:41:54,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:41:54,823 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:54,824 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:41:54,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:55,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:55,051 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:55,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:55,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1070203210, now seen corresponding path program 1 times [2021-11-07 01:41:55,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:55,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542255304] [2021-11-07 01:41:55,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:55,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:55,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:55,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:55,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:41:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:55,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:41:55,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:55,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:55,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:55,532 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:55,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542255304] [2021-11-07 01:41:55,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542255304] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:55,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:55,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:41:55,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917004803] [2021-11-07 01:41:55,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:41:55,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:55,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:41:55,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:41:55,537 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) [2021-11-07 01:41:55,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:55,571 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-11-07 01:41:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:41:55,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:41:55,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:55,578 INFO L225 Difference]: With dead ends: 131 [2021-11-07 01:41:55,579 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 01:41:55,581 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:41:55,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 01:41:55,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-07 01:41:55,591 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) [2021-11-07 01:41:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-11-07 01:41:55,593 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-11-07 01:41:55,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:55,594 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-11-07 01:41:55,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:55,595 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-11-07 01:41:55,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:41:55,597 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:55,602 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:41:55,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:55,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:55,826 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:55,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1049766460, now seen corresponding path program 1 times [2021-11-07 01:41:55,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:55,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59322790] [2021-11-07 01:41:55,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:55,829 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:55,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:55,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:55,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:41:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:56,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:41:56,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:56,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:56,364 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:56,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59322790] [2021-11-07 01:41:56,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59322790] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:56,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:56,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:41:56,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878924343] [2021-11-07 01:41:56,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:41:56,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:56,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:41:56,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:41:56,368 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) [2021-11-07 01:41:56,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:56,380 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-11-07 01:41:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:41:56,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:41:56,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:56,382 INFO L225 Difference]: With dead ends: 100 [2021-11-07 01:41:56,382 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 01:41:56,383 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:41:56,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 01:41:56,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-07 01:41:56,390 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) [2021-11-07 01:41:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-11-07 01:41:56,391 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-11-07 01:41:56,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:56,392 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-11-07 01:41:56,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:56,392 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-11-07 01:41:56,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:41:56,394 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:56,394 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:41:56,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:56,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:56,614 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:56,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:56,615 INFO L85 PathProgramCache]: Analyzing trace with hash -927374502, now seen corresponding path program 1 times [2021-11-07 01:41:56,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:56,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119706383] [2021-11-07 01:41:56,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:56,617 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:56,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:56,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:56,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:41:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:56,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:41:56,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:56,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:57,062 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:57,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119706383] [2021-11-07 01:41:57,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119706383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:57,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:57,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:41:57,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678975795] [2021-11-07 01:41:57,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:41:57,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:57,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:41:57,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:41:57,066 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) [2021-11-07 01:41:57,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:57,140 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2021-11-07 01:41:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:41:57,141 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 [2021-11-07 01:41:57,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:57,142 INFO L225 Difference]: With dead ends: 123 [2021-11-07 01:41:57,142 INFO L226 Difference]: Without dead ends: 76 [2021-11-07 01:41:57,143 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:41:57,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-07 01:41:57,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-11-07 01:41:57,156 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) [2021-11-07 01:41:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2021-11-07 01:41:57,157 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2021-11-07 01:41:57,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:57,158 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2021-11-07 01:41:57,158 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) [2021-11-07 01:41:57,159 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2021-11-07 01:41:57,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:41:57,162 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:57,162 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:41:57,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:57,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:57,377 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:57,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:57,379 INFO L85 PathProgramCache]: Analyzing trace with hash -44236562, now seen corresponding path program 1 times [2021-11-07 01:41:57,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:57,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902020458] [2021-11-07 01:41:57,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:57,381 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:57,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:57,383 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:57,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:41:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:57,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:41:57,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:57,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:58,015 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:58,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902020458] [2021-11-07 01:41:58,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902020458] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:58,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:58,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:41:58,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842356618] [2021-11-07 01:41:58,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:41:58,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:58,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:41:58,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:41:58,018 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) [2021-11-07 01:41:58,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:58,487 INFO L93 Difference]: Finished difference Result 815 states and 1186 transitions. [2021-11-07 01:41:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:41:58,488 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 [2021-11-07 01:41:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:58,496 INFO L225 Difference]: With dead ends: 815 [2021-11-07 01:41:58,496 INFO L226 Difference]: Without dead ends: 747 [2021-11-07 01:41:58,499 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:41:58,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2021-11-07 01:41:58,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 182. [2021-11-07 01:41:58,553 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) [2021-11-07 01:41:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 254 transitions. [2021-11-07 01:41:58,555 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 254 transitions. Word has length 32 [2021-11-07 01:41:58,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:58,555 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 254 transitions. [2021-11-07 01:41:58,556 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) [2021-11-07 01:41:58,556 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 254 transitions. [2021-11-07 01:41:58,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:41:58,558 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:58,558 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:41:58,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:58,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:58,774 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:58,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:58,774 INFO L85 PathProgramCache]: Analyzing trace with hash -2126400342, now seen corresponding path program 1 times [2021-11-07 01:41:58,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:58,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748354459] [2021-11-07 01:41:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:58,776 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:58,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:58,777 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:58,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:41:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:59,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:41:59,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:59,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:59,295 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:59,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748354459] [2021-11-07 01:41:59,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748354459] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:59,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:59,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:41:59,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228613815] [2021-11-07 01:41:59,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:41:59,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:59,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:41:59,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:41:59,298 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) [2021-11-07 01:41:59,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:59,391 INFO L93 Difference]: Finished difference Result 569 states and 802 transitions. [2021-11-07 01:41:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:41:59,392 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 [2021-11-07 01:41:59,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:59,395 INFO L225 Difference]: With dead ends: 569 [2021-11-07 01:41:59,396 INFO L226 Difference]: Without dead ends: 440 [2021-11-07 01:41:59,397 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:41:59,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-07 01:41:59,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 186. [2021-11-07 01:41:59,428 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) [2021-11-07 01:41:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 256 transitions. [2021-11-07 01:41:59,430 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 256 transitions. Word has length 33 [2021-11-07 01:41:59,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:59,430 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 256 transitions. [2021-11-07 01:41:59,430 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) [2021-11-07 01:41:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 256 transitions. [2021-11-07 01:41:59,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:41:59,433 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:59,433 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:41:59,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:59,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:59,648 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:59,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:59,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1868234904, now seen corresponding path program 1 times [2021-11-07 01:41:59,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:59,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857940869] [2021-11-07 01:41:59,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:59,650 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:59,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:59,652 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:59,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:41:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:59,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:41:59,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:00,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:00,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:00,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857940869] [2021-11-07 01:42:00,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1857940869] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:00,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:00,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:42:00,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885989850] [2021-11-07 01:42:00,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:42:00,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:00,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:42:00,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:42:00,220 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) [2021-11-07 01:42:00,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:00,398 INFO L93 Difference]: Finished difference Result 700 states and 976 transitions. [2021-11-07 01:42:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:42:00,399 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 [2021-11-07 01:42:00,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:00,403 INFO L225 Difference]: With dead ends: 700 [2021-11-07 01:42:00,403 INFO L226 Difference]: Without dead ends: 520 [2021-11-07 01:42:00,404 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:42:00,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-11-07 01:42:00,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 195. [2021-11-07 01:42:00,450 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) [2021-11-07 01:42:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 263 transitions. [2021-11-07 01:42:00,452 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 263 transitions. Word has length 33 [2021-11-07 01:42:00,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:00,452 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 263 transitions. [2021-11-07 01:42:00,452 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) [2021-11-07 01:42:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2021-11-07 01:42:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:42:00,454 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:00,455 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:00,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:00,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:00,671 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:00,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:00,671 INFO L85 PathProgramCache]: Analyzing trace with hash 941421312, now seen corresponding path program 1 times [2021-11-07 01:42:00,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:00,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653413430] [2021-11-07 01:42:00,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:00,672 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:00,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:00,678 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:00,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:42:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:00,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:42:00,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:01,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:01,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:01,348 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:01,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653413430] [2021-11-07 01:42:01,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653413430] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:01,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:01,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:42:01,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332199361] [2021-11-07 01:42:01,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:42:01,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:01,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:42:01,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:42:01,351 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) [2021-11-07 01:42:01,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:01,804 INFO L93 Difference]: Finished difference Result 1232 states and 1633 transitions. [2021-11-07 01:42:01,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 01:42:01,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:42:01,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:01,812 INFO L225 Difference]: With dead ends: 1232 [2021-11-07 01:42:01,813 INFO L226 Difference]: Without dead ends: 1043 [2021-11-07 01:42:01,814 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:42:01,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-11-07 01:42:01,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 382. [2021-11-07 01:42:01,893 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) [2021-11-07 01:42:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 508 transitions. [2021-11-07 01:42:01,896 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 508 transitions. Word has length 36 [2021-11-07 01:42:01,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:01,896 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 508 transitions. [2021-11-07 01:42:01,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 508 transitions. [2021-11-07 01:42:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:42:01,899 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:01,899 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:01,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:02,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:02,114 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:02,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:02,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1621479682, now seen corresponding path program 1 times [2021-11-07 01:42:02,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:02,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125973044] [2021-11-07 01:42:02,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:02,116 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:02,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:02,117 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:02,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:42:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:02,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:02,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:02,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:02,725 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:02,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125973044] [2021-11-07 01:42:02,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125973044] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:02,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:02,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:42:02,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843240060] [2021-11-07 01:42:02,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:42:02,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:02,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:42:02,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:42:02,728 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) [2021-11-07 01:42:04,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:04,755 INFO L93 Difference]: Finished difference Result 1067 states and 1439 transitions. [2021-11-07 01:42:04,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:42:04,755 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 [2021-11-07 01:42:04,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:04,761 INFO L225 Difference]: With dead ends: 1067 [2021-11-07 01:42:04,761 INFO L226 Difference]: Without dead ends: 691 [2021-11-07 01:42:04,762 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:42:04,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-11-07 01:42:04,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 312. [2021-11-07 01:42:04,839 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) [2021-11-07 01:42:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 401 transitions. [2021-11-07 01:42:04,841 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 401 transitions. Word has length 36 [2021-11-07 01:42:04,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:04,841 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 401 transitions. [2021-11-07 01:42:04,841 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) [2021-11-07 01:42:04,842 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 401 transitions. [2021-11-07 01:42:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:42:04,843 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:04,843 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:04,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:05,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:05,057 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:05,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:05,058 INFO L85 PathProgramCache]: Analyzing trace with hash 886341574, now seen corresponding path program 1 times [2021-11-07 01:42:05,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:05,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655191408] [2021-11-07 01:42:05,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:05,059 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:05,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:05,060 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:05,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:42:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:05,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:05,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:05,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:05,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:05,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:05,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655191408] [2021-11-07 01:42:05,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655191408] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:05,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:05,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:42:05,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145632470] [2021-11-07 01:42:05,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:42:05,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:05,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:42:05,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:42:05,704 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) [2021-11-07 01:42:09,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:09,172 INFO L93 Difference]: Finished difference Result 983 states and 1253 transitions. [2021-11-07 01:42:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:42:09,173 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 [2021-11-07 01:42:09,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:09,178 INFO L225 Difference]: With dead ends: 983 [2021-11-07 01:42:09,178 INFO L226 Difference]: Without dead ends: 677 [2021-11-07 01:42:09,179 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:42:09,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-11-07 01:42:09,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 292. [2021-11-07 01:42:09,243 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) [2021-11-07 01:42:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 367 transitions. [2021-11-07 01:42:09,245 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 367 transitions. Word has length 37 [2021-11-07 01:42:09,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:09,246 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 367 transitions. [2021-11-07 01:42:09,246 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) [2021-11-07 01:42:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 367 transitions. [2021-11-07 01:42:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:42:09,248 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:09,248 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:09,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:09,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:09,463 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:09,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:09,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1892715278, now seen corresponding path program 1 times [2021-11-07 01:42:09,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:09,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925098812] [2021-11-07 01:42:09,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:09,465 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:09,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:09,466 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:09,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:42:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:09,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:42:09,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:42:10,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:42:10,309 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:10,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925098812] [2021-11-07 01:42:10,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925098812] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:10,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:10,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 01:42:10,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541162193] [2021-11-07 01:42:10,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:42:10,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:10,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:42:10,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:42:10,311 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) [2021-11-07 01:42:14,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:14,001 INFO L93 Difference]: Finished difference Result 1010 states and 1302 transitions. [2021-11-07 01:42:14,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:42:14,002 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 [2021-11-07 01:42:14,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:14,008 INFO L225 Difference]: With dead ends: 1010 [2021-11-07 01:42:14,008 INFO L226 Difference]: Without dead ends: 820 [2021-11-07 01:42:14,009 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:42:14,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2021-11-07 01:42:14,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 679. [2021-11-07 01:42:14,181 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) [2021-11-07 01:42:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 851 transitions. [2021-11-07 01:42:14,184 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 851 transitions. Word has length 54 [2021-11-07 01:42:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:14,185 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 851 transitions. [2021-11-07 01:42:14,185 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) [2021-11-07 01:42:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 851 transitions. [2021-11-07 01:42:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:42:14,188 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:14,188 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:14,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:14,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:14,402 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:14,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:14,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1485859958, now seen corresponding path program 1 times [2021-11-07 01:42:14,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:14,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757616702] [2021-11-07 01:42:14,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:14,404 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:14,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:14,407 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:14,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:42:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:14,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:14,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:15,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:15,319 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:15,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757616702] [2021-11-07 01:42:15,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757616702] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:15,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:15,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:42:15,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139568517] [2021-11-07 01:42:15,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:42:15,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:15,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:42:15,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:42:15,321 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) [2021-11-07 01:42:15,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:15,658 INFO L93 Difference]: Finished difference Result 1735 states and 2168 transitions. [2021-11-07 01:42:15,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:42:15,659 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 [2021-11-07 01:42:15,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:15,666 INFO L225 Difference]: With dead ends: 1735 [2021-11-07 01:42:15,667 INFO L226 Difference]: Without dead ends: 1062 [2021-11-07 01:42:15,668 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:42:15,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-11-07 01:42:15,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 679. [2021-11-07 01:42:15,821 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) [2021-11-07 01:42:15,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 836 transitions. [2021-11-07 01:42:15,824 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 836 transitions. Word has length 54 [2021-11-07 01:42:15,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:15,825 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 836 transitions. [2021-11-07 01:42:15,825 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) [2021-11-07 01:42:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 836 transitions. [2021-11-07 01:42:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:42:15,827 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:15,827 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:15,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:16,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:16,043 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:16,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:16,044 INFO L85 PathProgramCache]: Analyzing trace with hash 675182755, now seen corresponding path program 1 times [2021-11-07 01:42:16,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:16,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372192420] [2021-11-07 01:42:16,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:16,045 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:16,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:16,046 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:16,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:42:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:16,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:42:16,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:16,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:16,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:16,891 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:16,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372192420] [2021-11-07 01:42:16,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372192420] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:16,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:16,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:42:16,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477011704] [2021-11-07 01:42:16,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:42:16,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:16,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:42:16,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:42:16,894 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) [2021-11-07 01:42:19,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:19,254 INFO L93 Difference]: Finished difference Result 2581 states and 3169 transitions. [2021-11-07 01:42:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:42:19,255 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 [2021-11-07 01:42:19,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:19,268 INFO L225 Difference]: With dead ends: 2581 [2021-11-07 01:42:19,268 INFO L226 Difference]: Without dead ends: 2000 [2021-11-07 01:42:19,270 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:42:19,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2021-11-07 01:42:19,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 867. [2021-11-07 01:42:19,471 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) [2021-11-07 01:42:19,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1060 transitions. [2021-11-07 01:42:19,476 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1060 transitions. Word has length 56 [2021-11-07 01:42:19,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:19,477 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1060 transitions. [2021-11-07 01:42:19,477 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) [2021-11-07 01:42:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1060 transitions. [2021-11-07 01:42:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:42:19,479 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:19,479 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:19,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:19,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:19,693 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:19,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:19,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1054337216, now seen corresponding path program 1 times [2021-11-07 01:42:19,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:19,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43870758] [2021-11-07 01:42:19,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:19,694 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:19,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:19,698 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:19,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:42:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:20,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:42:20,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:42:20,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:42:20,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:20,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43870758] [2021-11-07 01:42:20,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43870758] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:20,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:20,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:42:20,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55530249] [2021-11-07 01:42:20,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:42:20,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:20,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:42:20,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:42:20,588 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) [2021-11-07 01:42:22,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:22,697 INFO L93 Difference]: Finished difference Result 3075 states and 3770 transitions. [2021-11-07 01:42:22,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:42:22,698 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 [2021-11-07 01:42:22,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:22,713 INFO L225 Difference]: With dead ends: 3075 [2021-11-07 01:42:22,713 INFO L226 Difference]: Without dead ends: 2286 [2021-11-07 01:42:22,715 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:42:22,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2021-11-07 01:42:22,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 833. [2021-11-07 01:42:22,866 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) [2021-11-07 01:42:22,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1013 transitions. [2021-11-07 01:42:22,870 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1013 transitions. Word has length 56 [2021-11-07 01:42:22,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:22,871 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1013 transitions. [2021-11-07 01:42:22,871 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) [2021-11-07 01:42:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1013 transitions. [2021-11-07 01:42:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:42:22,873 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:22,873 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:22,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:23,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:23,106 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:23,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:23,106 INFO L85 PathProgramCache]: Analyzing trace with hash 657781173, now seen corresponding path program 1 times [2021-11-07 01:42:23,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:23,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5477319] [2021-11-07 01:42:23,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:23,107 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:23,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:23,108 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:23,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:42:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:23,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:42:23,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:42:23,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:42:23,854 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:23,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5477319] [2021-11-07 01:42:23,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5477319] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:23,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:23,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:42:23,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469277299] [2021-11-07 01:42:23,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:42:23,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:23,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:42:23,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:42:23,857 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) [2021-11-07 01:42:24,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:24,084 INFO L93 Difference]: Finished difference Result 1875 states and 2293 transitions. [2021-11-07 01:42:24,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:42:24,085 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 [2021-11-07 01:42:24,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:24,090 INFO L225 Difference]: With dead ends: 1875 [2021-11-07 01:42:24,091 INFO L226 Difference]: Without dead ends: 1048 [2021-11-07 01:42:24,092 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:42:24,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2021-11-07 01:42:24,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 833. [2021-11-07 01:42:24,264 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) [2021-11-07 01:42:24,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1005 transitions. [2021-11-07 01:42:24,266 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1005 transitions. Word has length 56 [2021-11-07 01:42:24,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:24,266 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1005 transitions. [2021-11-07 01:42:24,267 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) [2021-11-07 01:42:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1005 transitions. [2021-11-07 01:42:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:42:24,267 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:24,268 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:42:24,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:24,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:24,468 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:24,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:24,469 INFO L85 PathProgramCache]: Analyzing trace with hash 263414387, now seen corresponding path program 1 times [2021-11-07 01:42:24,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:24,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464015182] [2021-11-07 01:42:24,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:24,470 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:24,472 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:24,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 01:42:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:24,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:42:24,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:25,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:42:25,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:42:25,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:25,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464015182] [2021-11-07 01:42:25,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464015182] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:25,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:25,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:42:25,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663699439] [2021-11-07 01:42:25,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:42:25,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:25,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:42:25,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:42:25,229 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) [2021-11-07 01:42:25,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:25,379 INFO L93 Difference]: Finished difference Result 1785 states and 2179 transitions. [2021-11-07 01:42:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:42:25,379 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 [2021-11-07 01:42:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:25,385 INFO L225 Difference]: With dead ends: 1785 [2021-11-07 01:42:25,385 INFO L226 Difference]: Without dead ends: 958 [2021-11-07 01:42:25,386 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:42:25,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-11-07 01:42:25,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 705. [2021-11-07 01:42:25,536 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) [2021-11-07 01:42:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 855 transitions. [2021-11-07 01:42:25,539 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 855 transitions. Word has length 56 [2021-11-07 01:42:25,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:25,540 INFO L470 AbstractCegarLoop]: Abstraction has 705 states and 855 transitions. [2021-11-07 01:42:25,540 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) [2021-11-07 01:42:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 855 transitions. [2021-11-07 01:42:25,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:42:25,541 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:25,541 INFO L513 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] [2021-11-07 01:42:25,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:25,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:25,757 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:42:25,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:25,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1609070286, now seen corresponding path program 1 times [2021-11-07 01:42:25,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:25,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911273128] [2021-11-07 01:42:25,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:25,759 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:25,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:25,760 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:25,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 01:42:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:26,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:42:26,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:42:26,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:42:26,708 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:26,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911273128] [2021-11-07 01:42:26,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911273128] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:26,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:42:26,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:42:26,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57883793] [2021-11-07 01:42:26,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:42:26,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:26,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:42:26,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:42:26,711 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) [2021-11-07 01:42:27,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:27,068 INFO L93 Difference]: Finished difference Result 1672 states and 2031 transitions. [2021-11-07 01:42:27,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:42:27,069 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 [2021-11-07 01:42:27,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:27,070 INFO L225 Difference]: With dead ends: 1672 [2021-11-07 01:42:27,070 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:42:27,073 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:42:27,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:42:27,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:42:27,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:27,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:42:27,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-11-07 01:42:27,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:27,075 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:42:27,075 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) [2021-11-07 01:42:27,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:42:27,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:42:27,080 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:42:27,081 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:42:27,082 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:42:27,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:27,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:42:27,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:42:27,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:27,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:29,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:29,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:30,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:35,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:35,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:36,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:37,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:42,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:44,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:44,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:44,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:44,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:42:45,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:43:04,150 WARN L207 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 483 DAG size of output: 39 [2021-11-07 01:43:20,643 WARN L207 SmtUtils]: Spent 11.09 s on a formula simplification. DAG size of input: 493 DAG size of output: 39 [2021-11-07 01:43:30,658 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-11-07 01:43:30,659 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-11-07 01:43:30,659 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)))) [2021-11-07 01:43:30,659 INFO L853 garLoopResultBuilder]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2021-11-07 01:43:30,660 INFO L853 garLoopResultBuilder]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2021-11-07 01:43:30,660 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2021-11-07 01:43:30,660 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))) [2021-11-07 01:43:30,660 INFO L857 garLoopResultBuilder]: For program point L69-2(lines 69 82) no Hoare annotation was computed. [2021-11-07 01:43:30,660 INFO L853 garLoopResultBuilder]: At program point L69-3(lines 1 959) the Hoare annotation is: false [2021-11-07 01:43:30,660 INFO L857 garLoopResultBuilder]: For program point L69-4(lines 69 82) no Hoare annotation was computed. [2021-11-07 01:43:30,661 INFO L853 garLoopResultBuilder]: At program point L69-5(lines 1 959) the Hoare annotation is: false [2021-11-07 01:43:30,661 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-11-07 01:43:30,661 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 298 304) no Hoare annotation was computed. [2021-11-07 01:43:30,661 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 342) no Hoare annotation was computed. [2021-11-07 01:43:30,661 INFO L857 garLoopResultBuilder]: For program point L334-1(lines 334 342) no Hoare annotation was computed. [2021-11-07 01:43:30,661 INFO L857 garLoopResultBuilder]: For program point L334-2(lines 334 342) no Hoare annotation was computed. [2021-11-07 01:43:30,661 INFO L857 garLoopResultBuilder]: For program point L334-3(lines 334 342) no Hoare annotation was computed. [2021-11-07 01:43:30,661 INFO L857 garLoopResultBuilder]: For program point L334-4(lines 334 342) no Hoare annotation was computed. [2021-11-07 01:43:30,662 INFO L857 garLoopResultBuilder]: For program point L334-5(lines 334 342) no Hoare annotation was computed. [2021-11-07 01:43:30,662 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))) [2021-11-07 01:43:30,662 INFO L853 garLoopResultBuilder]: At program point L136-1(lines 131 139) the Hoare annotation is: false [2021-11-07 01:43:30,664 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))) [2021-11-07 01:43:30,664 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))) [2021-11-07 01:43:30,665 INFO L853 garLoopResultBuilder]: At program point L136-4(lines 131 139) the Hoare annotation is: false [2021-11-07 01:43:30,665 INFO L853 garLoopResultBuilder]: At program point L136-5(lines 131 139) the Hoare annotation is: false [2021-11-07 01:43:30,665 INFO L853 garLoopResultBuilder]: At program point L136-6(lines 131 139) the Hoare annotation is: false [2021-11-07 01:43:30,665 INFO L853 garLoopResultBuilder]: At program point L136-7(lines 131 139) the Hoare annotation is: false [2021-11-07 01:43:30,665 INFO L853 garLoopResultBuilder]: At program point L136-8(lines 131 139) the Hoare annotation is: false [2021-11-07 01:43:30,665 INFO L853 garLoopResultBuilder]: At program point L136-9(lines 131 139) the Hoare annotation is: false [2021-11-07 01:43:30,666 INFO L853 garLoopResultBuilder]: At program point L136-10(lines 131 139) the Hoare annotation is: false [2021-11-07 01:43:30,666 INFO L853 garLoopResultBuilder]: At program point L136-11(lines 131 139) the Hoare annotation is: false [2021-11-07 01:43:30,666 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-11-07 01:43:30,666 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 298 304) no Hoare annotation was computed. [2021-11-07 01:43:30,666 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2021-11-07 01:43:30,667 INFO L857 garLoopResultBuilder]: For program point L73-2(lines 73 79) no Hoare annotation was computed. [2021-11-07 01:43:30,667 INFO L857 garLoopResultBuilder]: For program point L73-4(lines 73 79) no Hoare annotation was computed. [2021-11-07 01:43:30,667 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))) [2021-11-07 01:43:30,667 INFO L853 garLoopResultBuilder]: At program point L305-1(lines 305 311) the Hoare annotation is: false [2021-11-07 01:43:30,667 INFO L853 garLoopResultBuilder]: At program point L305-2(lines 305 311) the Hoare annotation is: false [2021-11-07 01:43:30,668 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-11-07 01:43:30,668 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-11-07 01:43:30,668 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))) [2021-11-07 01:43:30,668 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2021-11-07 01:43:30,669 INFO L860 garLoopResultBuilder]: At program point L275-1(lines 275 282) the Hoare annotation is: true [2021-11-07 01:43:30,669 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 182) no Hoare annotation was computed. [2021-11-07 01:43:30,669 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-11-07 01:43:30,669 INFO L857 garLoopResultBuilder]: For program point L176-2(lines 176 182) no Hoare annotation was computed. [2021-11-07 01:43:30,669 INFO L857 garLoopResultBuilder]: For program point L176-3(lines 176 182) no Hoare annotation was computed. [2021-11-07 01:43:30,670 INFO L857 garLoopResultBuilder]: For program point L176-4(lines 176 182) no Hoare annotation was computed. [2021-11-07 01:43:30,670 INFO L857 garLoopResultBuilder]: For program point L176-5(lines 176 182) no Hoare annotation was computed. [2021-11-07 01:43:30,670 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)) [2021-11-07 01:43:30,670 INFO L857 garLoopResultBuilder]: For program point L111(lines 111 115) no Hoare annotation was computed. [2021-11-07 01:43:30,670 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,671 INFO L857 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,671 INFO L857 garLoopResultBuilder]: For program point L475-3(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,671 INFO L857 garLoopResultBuilder]: For program point L475-5(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,671 INFO L857 garLoopResultBuilder]: For program point L475-6(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,671 INFO L857 garLoopResultBuilder]: For program point L475-8(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,671 INFO L857 garLoopResultBuilder]: For program point L475-9(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,672 INFO L857 garLoopResultBuilder]: For program point L475-11(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,672 INFO L857 garLoopResultBuilder]: For program point L475-12(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,672 INFO L857 garLoopResultBuilder]: For program point L475-14(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,672 INFO L857 garLoopResultBuilder]: For program point L475-15(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,672 INFO L857 garLoopResultBuilder]: For program point L475-17(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:43:30,673 INFO L853 garLoopResultBuilder]: At program point L542(lines 495 543) the Hoare annotation is: false [2021-11-07 01:43:30,673 INFO L853 garLoopResultBuilder]: At program point L181(lines 172 185) the Hoare annotation is: false [2021-11-07 01:43:30,673 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))) [2021-11-07 01:43:30,673 INFO L853 garLoopResultBuilder]: At program point L181-2(lines 172 185) the Hoare annotation is: false [2021-11-07 01:43:30,674 INFO L853 garLoopResultBuilder]: At program point L181-3(lines 172 185) the Hoare annotation is: false [2021-11-07 01:43:30,674 INFO L853 garLoopResultBuilder]: At program point L181-4(lines 172 185) the Hoare annotation is: false [2021-11-07 01:43:30,674 INFO L853 garLoopResultBuilder]: At program point L181-5(lines 172 185) the Hoare annotation is: false [2021-11-07 01:43:30,674 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)) [2021-11-07 01:43:30,674 INFO L853 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: false [2021-11-07 01:43:30,675 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)))) [2021-11-07 01:43:30,675 INFO L853 garLoopResultBuilder]: At program point L481-2(lines 466 484) the Hoare annotation is: false [2021-11-07 01:43:30,675 INFO L853 garLoopResultBuilder]: At program point L481-3(lines 466 484) the Hoare annotation is: false [2021-11-07 01:43:30,675 INFO L853 garLoopResultBuilder]: At program point L481-4(lines 466 484) the Hoare annotation is: false [2021-11-07 01:43:30,675 INFO L853 garLoopResultBuilder]: At program point L481-5(lines 466 484) the Hoare annotation is: false [2021-11-07 01:43:30,676 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)) [2021-11-07 01:43:30,676 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:43:30,676 INFO L860 garLoopResultBuilder]: At program point L284(lines 265 287) the Hoare annotation is: true [2021-11-07 01:43:30,676 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-11-07 01:43:30,676 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))) [2021-11-07 01:43:30,677 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))) [2021-11-07 01:43:30,677 INFO L853 garLoopResultBuilder]: At program point L417-1(lines 410 420) the Hoare annotation is: false [2021-11-07 01:43:30,677 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)))) [2021-11-07 01:43:30,677 INFO L853 garLoopResultBuilder]: At program point L417-3(lines 410 420) the Hoare annotation is: false [2021-11-07 01:43:30,678 INFO L853 garLoopResultBuilder]: At program point L417-4(lines 410 420) the Hoare annotation is: false [2021-11-07 01:43:30,678 INFO L853 garLoopResultBuilder]: At program point L417-5(lines 410 420) the Hoare annotation is: false [2021-11-07 01:43:30,678 INFO L853 garLoopResultBuilder]: At program point L417-6(lines 410 420) the Hoare annotation is: false [2021-11-07 01:43:30,678 INFO L853 garLoopResultBuilder]: At program point L417-7(lines 410 420) the Hoare annotation is: false [2021-11-07 01:43:30,678 INFO L853 garLoopResultBuilder]: At program point L417-8(lines 410 420) the Hoare annotation is: false [2021-11-07 01:43:30,679 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 127) no Hoare annotation was computed. [2021-11-07 01:43:30,679 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:43:30,679 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 373) no Hoare annotation was computed. [2021-11-07 01:43:30,679 INFO L857 garLoopResultBuilder]: For program point L356-1(lines 356 373) no Hoare annotation was computed. [2021-11-07 01:43:30,679 INFO L857 garLoopResultBuilder]: For program point L356-2(lines 356 373) no Hoare annotation was computed. [2021-11-07 01:43:30,679 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:43:30,680 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-11-07 01:43:30,680 INFO L857 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2021-11-07 01:43:30,680 INFO L857 garLoopResultBuilder]: For program point L590-2(line 590) no Hoare annotation was computed. [2021-11-07 01:43:30,680 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2021-11-07 01:43:30,680 INFO L857 garLoopResultBuilder]: For program point L392-2(lines 392 398) no Hoare annotation was computed. [2021-11-07 01:43:30,680 INFO L857 garLoopResultBuilder]: For program point L392-4(lines 392 398) no Hoare annotation was computed. [2021-11-07 01:43:30,681 INFO L857 garLoopResultBuilder]: For program point L392-6(lines 392 398) no Hoare annotation was computed. [2021-11-07 01:43:30,681 INFO L857 garLoopResultBuilder]: For program point L392-8(lines 392 398) no Hoare annotation was computed. [2021-11-07 01:43:30,681 INFO L857 garLoopResultBuilder]: For program point L392-10(lines 392 398) no Hoare annotation was computed. [2021-11-07 01:43:30,681 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))) [2021-11-07 01:43:30,681 INFO L853 garLoopResultBuilder]: At program point L426-1(lines 421 429) the Hoare annotation is: false [2021-11-07 01:43:30,682 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 368) no Hoare annotation was computed. [2021-11-07 01:43:30,682 INFO L853 garLoopResultBuilder]: At program point L426-2(lines 421 429) the Hoare annotation is: false [2021-11-07 01:43:30,682 INFO L857 garLoopResultBuilder]: For program point L360-1(lines 360 368) no Hoare annotation was computed. [2021-11-07 01:43:30,682 INFO L857 garLoopResultBuilder]: For program point L360-2(lines 360 368) no Hoare annotation was computed. [2021-11-07 01:43:30,682 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2021-11-07 01:43:30,682 INFO L857 garLoopResultBuilder]: For program point L63-2(lines 63 83) no Hoare annotation was computed. [2021-11-07 01:43:30,682 INFO L857 garLoopResultBuilder]: For program point L63-4(lines 63 83) no Hoare annotation was computed. [2021-11-07 01:43:30,682 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 537) no Hoare annotation was computed. [2021-11-07 01:43:30,683 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:43:30,683 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-11-07 01:43:30,683 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 347) no Hoare annotation was computed. [2021-11-07 01:43:30,683 INFO L857 garLoopResultBuilder]: For program point L330-1(lines 330 347) no Hoare annotation was computed. [2021-11-07 01:43:30,683 INFO L857 garLoopResultBuilder]: For program point L330-2(lines 330 347) no Hoare annotation was computed. [2021-11-07 01:43:30,684 INFO L857 garLoopResultBuilder]: For program point L330-3(lines 330 347) no Hoare annotation was computed. [2021-11-07 01:43:30,684 INFO L857 garLoopResultBuilder]: For program point L330-4(lines 330 347) no Hoare annotation was computed. [2021-11-07 01:43:30,684 INFO L857 garLoopResultBuilder]: For program point L330-5(lines 330 347) no Hoare annotation was computed. [2021-11-07 01:43:30,684 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 103) no Hoare annotation was computed. [2021-11-07 01:43:30,684 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2021-11-07 01:43:30,684 INFO L857 garLoopResultBuilder]: For program point L99-6(lines 99 103) no Hoare annotation was computed. [2021-11-07 01:43:30,685 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))) [2021-11-07 01:43:30,685 INFO L857 garLoopResultBuilder]: For program point L298-1(lines 298 304) no Hoare annotation was computed. [2021-11-07 01:43:30,685 INFO L853 garLoopResultBuilder]: At program point L298-2(lines 297 316) the Hoare annotation is: false [2021-11-07 01:43:30,685 INFO L853 garLoopResultBuilder]: At program point L298-3(lines 297 316) the Hoare annotation is: false [2021-11-07 01:43:30,685 INFO L853 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: false [2021-11-07 01:43:30,686 INFO L857 garLoopResultBuilder]: For program point L497(lines 496 541) no Hoare annotation was computed. [2021-11-07 01:43:30,686 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-07 01:43:30,690 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:43:30,692 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:43:30,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:43:30 BoogieIcfgContainer [2021-11-07 01:43:30,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:43:30,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:43:30,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:43:30,748 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:43:30,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:41:53" (3/4) ... [2021-11-07 01:43:30,753 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:43:30,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:43:30,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:43:30,781 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:43:30,783 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:43:30,784 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:43:30,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:43:30,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:43:30,820 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) [2021-11-07 01:43:30,820 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) [2021-11-07 01:43:30,821 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) [2021-11-07 01:43:30,821 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) [2021-11-07 01:43:30,822 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) [2021-11-07 01:43:30,823 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) [2021-11-07 01:43:30,824 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) [2021-11-07 01:43:30,825 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) [2021-11-07 01:43:30,826 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) [2021-11-07 01:43:30,826 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) [2021-11-07 01:43:30,828 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) [2021-11-07 01:43:30,829 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) [2021-11-07 01:43:30,831 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) [2021-11-07 01:43:30,831 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) [2021-11-07 01:43:30,918 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:43:30,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:43:30,920 INFO L168 Benchmark]: Toolchain (without parser) took 101197.67 ms. Allocated memory was 54.5 MB in the beginning and 492.8 MB in the end (delta: 438.3 MB). Free memory was 31.1 MB in the beginning and 300.1 MB in the end (delta: -269.0 MB). Peak memory consumption was 167.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,921 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:43:30,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.64 ms. Allocated memory is still 54.5 MB. Free memory was 30.9 MB in the beginning and 22.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.20 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 22.2 MB in the beginning and 46.5 MB in the end (delta: -24.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,923 INFO L168 Benchmark]: Boogie Preprocessor took 86.95 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 43.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,923 INFO L168 Benchmark]: RCFGBuilder took 3191.67 ms. Allocated memory is still 67.1 MB. Free memory was 43.6 MB in the beginning and 41.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,924 INFO L168 Benchmark]: TraceAbstraction took 96816.73 ms. Allocated memory was 67.1 MB in the beginning and 492.8 MB in the end (delta: 425.7 MB). Free memory was 40.7 MB in the beginning and 311.6 MB in the end (delta: -270.9 MB). Peak memory consumption was 310.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,925 INFO L168 Benchmark]: Witness Printer took 171.03 ms. Allocated memory is still 492.8 MB. Free memory was 311.6 MB in the beginning and 300.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:30,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 797.64 ms. Allocated memory is still 54.5 MB. Free memory was 30.9 MB in the beginning and 22.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.20 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 22.2 MB in the beginning and 46.5 MB in the end (delta: -24.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.95 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 43.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3191.67 ms. Allocated memory is still 67.1 MB. Free memory was 43.6 MB in the beginning and 41.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 96816.73 ms. Allocated memory was 67.1 MB in the beginning and 492.8 MB in the end (delta: 425.7 MB). Free memory was 40.7 MB in the beginning and 311.6 MB in the end (delta: -270.9 MB). Peak memory consumption was 310.1 MB. Max. memory is 16.1 GB. * Witness Printer took 171.03 ms. Allocated memory is still 492.8 MB. Free memory was 311.6 MB in the beginning and 300.1 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 96.6s, OverallIterations: 17, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 63.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2112 SDtfs, 3838 SDslu, 5790 SDs, 0 SdLazy, 868 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1404 GetRequests, 1282 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.1s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 6149 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 386 NumberOfFragments, 1664 HoareAnnotationTreeSize, 57 FomulaSimplifications, 860772154 FormulaSimplificationTreeSizeReduction, 18.3s HoareSimplificationTime, 57 FomulaSimplificationsInter, 26638628 FormulaSimplificationTreeSizeReductionInter, 44.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 5.7s 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! [2021-11-07 01:43:31,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2a1363-d38f-4f9f-ab9a-7c921b6692e7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE