./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI --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 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI --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 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:25,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:26,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:26,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:26,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:26,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:26,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:26,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:26,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:26,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:26,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:26,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:26,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:26,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:26,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:26,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:26,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:26,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:26,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:26,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:26,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:26,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:26,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:26,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:26,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:26,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:26,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:26,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:26,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:26,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:26,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:26,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:26,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:26,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:26,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:26,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:26,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:26,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:26,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:26,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:26,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:26,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:21:26,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:26,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:26,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:26,154 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:26,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:26,154 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:26,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:21:26,154 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:26,155 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:26,155 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:21:26,162 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:21:26,162 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:26,163 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:21:26,163 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:21:26,163 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:21:26,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:26,164 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:26,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:21:26,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:26,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:26,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:26,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:26,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:26,166 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:26,166 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:26,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:26,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:26,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:26,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:26,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:26,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:26,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:26,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:26,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:26,170 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:21:26,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:21:26,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:26,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:26,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:26,171 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_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 [2021-10-11 02:21:26,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:26,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:26,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:26,485 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:26,485 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:26,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-11 02:21:26,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data/61e0d7573/5dbd88933110499b88e28ba6e3953687/FLAG189094ebf [2021-10-11 02:21:27,096 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:27,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-11 02:21:27,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data/61e0d7573/5dbd88933110499b88e28ba6e3953687/FLAG189094ebf [2021-10-11 02:21:27,396 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data/61e0d7573/5dbd88933110499b88e28ba6e3953687 [2021-10-11 02:21:27,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:27,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:27,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:27,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:27,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:27,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:27" (1/1) ... [2021-10-11 02:21:27,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ead028a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:27, skipping insertion in model container [2021-10-11 02:21:27,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:27" (1/1) ... [2021-10-11 02:21:27,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:27,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:27,771 WARN L226 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_433b5ff4-2e55-48fe-8b35-454ac4008a43/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18213,18226] [2021-10-11 02:21:27,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:27,784 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:21:27,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@153e2cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:27, skipping insertion in model container [2021-10-11 02:21:27,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:27,788 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:21:27,790 INFO L168 Benchmark]: Toolchain (without parser) took 388.28 ms. Allocated memory is still 107.0 MB. Free memory was 69.7 MB in the beginning and 79.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:27,791 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 107.0 MB. Free memory was 87.0 MB in the beginning and 86.9 MB in the end (delta: 50.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:27,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.71 ms. Allocated memory is still 107.0 MB. Free memory was 69.5 MB in the beginning and 79.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:27,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 107.0 MB. Free memory was 87.0 MB in the beginning and 86.9 MB in the end (delta: 50.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 385.71 ms. Allocated memory is still 107.0 MB. Free memory was 69.5 MB in the beginning and 79.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:30,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:30,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:30,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:30,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:30,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:30,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:30,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:30,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:30,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:30,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:30,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:30,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:30,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:30,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:30,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:30,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:30,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:30,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:30,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:30,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:30,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:30,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:30,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:30,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:30,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:30,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:30,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:30,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:30,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:30,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:30,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:30,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:30,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:30,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:30,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:30,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:30,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:30,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:30,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:30,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:30,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:21:30,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:30,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:30,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:30,202 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:30,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:30,203 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:30,203 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:30,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:30,203 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:30,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:30,206 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:30,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:30,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:30,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:30,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:30,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:30,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:30,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:21:30,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:21:30,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:30,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:30,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:30,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:30,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:30,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:21:30,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:30,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:30,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:30,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:30,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:30,210 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:21:30,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:30,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:30,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:30,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:30,211 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_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 [2021-10-11 02:21:30,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:30,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:30,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:30,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:30,639 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:30,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-11 02:21:30,718 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data/1b72f940d/d63000db57c84330af7785ccb086516e/FLAG1031aa324 [2021-10-11 02:21:31,326 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:31,326 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-11 02:21:31,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data/1b72f940d/d63000db57c84330af7785ccb086516e/FLAG1031aa324 [2021-10-11 02:21:31,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/data/1b72f940d/d63000db57c84330af7785ccb086516e [2021-10-11 02:21:31,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:31,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:31,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:31,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:31,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:31,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:31" (1/1) ... [2021-10-11 02:21:31,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55059a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:31, skipping insertion in model container [2021-10-11 02:21:31,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:31" (1/1) ... [2021-10-11 02:21:31,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:31,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:32,142 WARN L226 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_433b5ff4-2e55-48fe-8b35-454ac4008a43/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18213,18226] [2021-10-11 02:21:32,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:32,173 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:21:32,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:32,300 WARN L226 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_433b5ff4-2e55-48fe-8b35-454ac4008a43/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18213,18226] [2021-10-11 02:21:32,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:32,312 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:21:32,412 WARN L226 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_433b5ff4-2e55-48fe-8b35-454ac4008a43/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18213,18226] [2021-10-11 02:21:32,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:32,477 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:21:32,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32 WrapperNode [2021-10-11 02:21:32,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:32,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:32,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:21:32,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:21:32,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... [2021-10-11 02:21:32,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... [2021-10-11 02:21:32,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:32,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:21:32,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:21:32,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:21:32,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... [2021-10-11 02:21:32,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... [2021-10-11 02:21:32,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... [2021-10-11 02:21:32,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... [2021-10-11 02:21:32,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... [2021-10-11 02:21:32,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... [2021-10-11 02:21:32,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... [2021-10-11 02:21:32,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:21:32,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:21:32,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:21:32,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:21:32,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:21:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:21:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:21:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:21:35,033 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:21:35,033 INFO L299 CfgBuilder]: Removed 132 assume(true) statements. [2021-10-11 02:21:35,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:35 BoogieIcfgContainer [2021-10-11 02:21:35,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:21:35,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:21:35,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:21:35,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:21:35,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:21:31" (1/3) ... [2021-10-11 02:21:35,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64583d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:35, skipping insertion in model container [2021-10-11 02:21:35,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:32" (2/3) ... [2021-10-11 02:21:35,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64583d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:35, skipping insertion in model container [2021-10-11 02:21:35,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:35" (3/3) ... [2021-10-11 02:21:35,047 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2021-10-11 02:21:35,061 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:21:35,065 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:21:35,076 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:21:35,116 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:21:35,116 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:21:35,117 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:21:35,117 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:21:35,117 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:21:35,117 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:21:35,118 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:21:35,118 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:21:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2021-10-11 02:21:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:21:35,141 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:35,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:35,142 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:35,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:35,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2684768, now seen corresponding path program 1 times [2021-10-11 02:21:35,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:35,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062814179] [2021-10-11 02:21:35,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:35,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:21:35,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:35,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:35,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062814179] [2021-10-11 02:21:35,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:35,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:35,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075463761] [2021-10-11 02:21:35,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:21:35,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:35,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:21:35,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:35,498 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2021-10-11 02:21:35,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:35,527 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2021-10-11 02:21:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:21:35,528 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 02:21:35,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:35,539 INFO L225 Difference]: With dead ends: 189 [2021-10-11 02:21:35,539 INFO L226 Difference]: Without dead ends: 94 [2021-10-11 02:21:35,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-11 02:21:35,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-11 02:21:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-10-11 02:21:35,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2021-10-11 02:21:35,584 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2021-10-11 02:21:35,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:35,585 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2021-10-11 02:21:35,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:21:35,585 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-10-11 02:21:35,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:21:35,586 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:35,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:35,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:21:35,812 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:35,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:35,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1024617476, now seen corresponding path program 1 times [2021-10-11 02:21:35,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:35,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016889473] [2021-10-11 02:21:35,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:36,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:36,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:36,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:36,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016889473] [2021-10-11 02:21:36,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:36,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:36,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78560842] [2021-10-11 02:21:36,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:36,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:36,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:36,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:36,116 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2021-10-11 02:21:36,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:36,129 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2021-10-11 02:21:36,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:36,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 02:21:36,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:36,131 INFO L225 Difference]: With dead ends: 94 [2021-10-11 02:21:36,131 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 02:21:36,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:36,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 02:21:36,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 02:21:36,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 02:21:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-11 02:21:36,138 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2021-10-11 02:21:36,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:36,139 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-11 02:21:36,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:36,139 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-11 02:21:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:21:36,140 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:36,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:36,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:21:36,354 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:36,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:36,355 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2021-10-11 02:21:36,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:36,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762972709] [2021-10-11 02:21:36,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:36,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:36,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:36,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:36,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762972709] [2021-10-11 02:21:36,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:36,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:36,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362087184] [2021-10-11 02:21:36,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:36,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:36,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:36,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:36,657 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 3 states. [2021-10-11 02:21:36,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:36,676 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions. [2021-10-11 02:21:36,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:36,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:21:36,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:36,678 INFO L225 Difference]: With dead ends: 115 [2021-10-11 02:21:36,678 INFO L226 Difference]: Without dead ends: 79 [2021-10-11 02:21:36,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:36,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-10-11 02:21:36,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2021-10-11 02:21:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-10-11 02:21:36,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 108 transitions. [2021-10-11 02:21:36,691 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 108 transitions. Word has length 26 [2021-10-11 02:21:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:36,691 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 108 transitions. [2021-10-11 02:21:36,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2021-10-11 02:21:36,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:21:36,693 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:36,693 INFO L422 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] [2021-10-11 02:21:36,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:21:36,909 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:36,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:36,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2021-10-11 02:21:36,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:36,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549473452] [2021-10-11 02:21:36,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:37,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:37,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:37,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:37,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:37,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549473452] [2021-10-11 02:21:37,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:37,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:37,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617418469] [2021-10-11 02:21:37,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:37,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:37,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:37,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:37,162 INFO L87 Difference]: Start difference. First operand 75 states and 108 transitions. Second operand 3 states. [2021-10-11 02:21:37,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:37,225 INFO L93 Difference]: Finished difference Result 190 states and 279 transitions. [2021-10-11 02:21:37,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:37,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 02:21:37,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:37,230 INFO L225 Difference]: With dead ends: 190 [2021-10-11 02:21:37,230 INFO L226 Difference]: Without dead ends: 122 [2021-10-11 02:21:37,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:37,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-11 02:21:37,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2021-10-11 02:21:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-10-11 02:21:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2021-10-11 02:21:37,257 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 27 [2021-10-11 02:21:37,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:37,258 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2021-10-11 02:21:37,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:37,258 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2021-10-11 02:21:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 02:21:37,259 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:37,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:37,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:21:37,476 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:37,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:37,476 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2021-10-11 02:21:37,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:37,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128333899] [2021-10-11 02:21:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:37,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:37,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:37,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:37,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128333899] [2021-10-11 02:21:37,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:37,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:21:37,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590537964] [2021-10-11 02:21:37,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:37,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:37,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:37,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:37,739 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand 5 states. [2021-10-11 02:21:37,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:37,918 INFO L93 Difference]: Finished difference Result 435 states and 625 transitions. [2021-10-11 02:21:37,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:21:37,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 02:21:37,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:37,921 INFO L225 Difference]: With dead ends: 435 [2021-10-11 02:21:37,921 INFO L226 Difference]: Without dead ends: 322 [2021-10-11 02:21:37,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:21:37,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-10-11 02:21:37,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 118. [2021-10-11 02:21:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-10-11 02:21:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2021-10-11 02:21:37,957 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 29 [2021-10-11 02:21:37,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:37,958 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2021-10-11 02:21:37,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2021-10-11 02:21:37,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:21:37,962 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:37,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:38,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:21:38,178 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:38,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:38,179 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2021-10-11 02:21:38,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:38,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261332460] [2021-10-11 02:21:38,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:38,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:38,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:38,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:38,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261332460] [2021-10-11 02:21:38,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:38,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:38,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359018473] [2021-10-11 02:21:38,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:38,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:38,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:38,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:38,461 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand 5 states. [2021-10-11 02:21:38,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:38,526 INFO L93 Difference]: Finished difference Result 321 states and 449 transitions. [2021-10-11 02:21:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:21:38,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 02:21:38,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:38,529 INFO L225 Difference]: With dead ends: 321 [2021-10-11 02:21:38,529 INFO L226 Difference]: Without dead ends: 210 [2021-10-11 02:21:38,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:21:38,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-10-11 02:21:38,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 124. [2021-10-11 02:21:38,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-10-11 02:21:38,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 172 transitions. [2021-10-11 02:21:38,546 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 172 transitions. Word has length 36 [2021-10-11 02:21:38,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:38,548 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 172 transitions. [2021-10-11 02:21:38,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2021-10-11 02:21:38,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:21:38,553 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:38,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:38,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:21:38,772 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:38,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:38,772 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2021-10-11 02:21:38,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:38,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860243541] [2021-10-11 02:21:38,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:38,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:21:38,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:39,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:39,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860243541] [2021-10-11 02:21:39,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:39,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:21:39,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012605428] [2021-10-11 02:21:39,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:21:39,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:39,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:21:39,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:21:39,024 INFO L87 Difference]: Start difference. First operand 124 states and 172 transitions. Second operand 4 states. [2021-10-11 02:21:39,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:39,071 INFO L93 Difference]: Finished difference Result 295 states and 408 transitions. [2021-10-11 02:21:39,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:21:39,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2021-10-11 02:21:39,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:39,073 INFO L225 Difference]: With dead ends: 295 [2021-10-11 02:21:39,074 INFO L226 Difference]: Without dead ends: 178 [2021-10-11 02:21:39,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:39,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-10-11 02:21:39,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 128. [2021-10-11 02:21:39,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 02:21:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 176 transitions. [2021-10-11 02:21:39,089 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 176 transitions. Word has length 36 [2021-10-11 02:21:39,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:39,089 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 176 transitions. [2021-10-11 02:21:39,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:21:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2021-10-11 02:21:39,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:21:39,090 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:39,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:39,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:21:39,306 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:39,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:39,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2021-10-11 02:21:39,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:39,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314399093] [2021-10-11 02:21:39,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:39,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:39,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:39,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:39,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314399093] [2021-10-11 02:21:39,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:39,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:39,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416336359] [2021-10-11 02:21:39,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:39,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:39,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:39,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:39,539 INFO L87 Difference]: Start difference. First operand 128 states and 176 transitions. Second operand 3 states. [2021-10-11 02:21:39,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:39,584 INFO L93 Difference]: Finished difference Result 305 states and 418 transitions. [2021-10-11 02:21:39,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:39,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 02:21:39,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:39,590 INFO L225 Difference]: With dead ends: 305 [2021-10-11 02:21:39,590 INFO L226 Difference]: Without dead ends: 184 [2021-10-11 02:21:39,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:39,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-10-11 02:21:39,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2021-10-11 02:21:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2021-10-11 02:21:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 245 transitions. [2021-10-11 02:21:39,616 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 245 transitions. Word has length 36 [2021-10-11 02:21:39,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:39,616 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 245 transitions. [2021-10-11 02:21:39,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:39,620 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 245 transitions. [2021-10-11 02:21:39,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:21:39,623 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:39,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:39,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:21:39,840 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:39,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:39,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2021-10-11 02:21:39,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:39,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309161098] [2021-10-11 02:21:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:40,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:21:40,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:40,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:40,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309161098] [2021-10-11 02:21:40,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:40,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:40,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013079442] [2021-10-11 02:21:40,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:21:40,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:40,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:21:40,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:21:40,141 INFO L87 Difference]: Start difference. First operand 184 states and 245 transitions. Second operand 6 states. [2021-10-11 02:21:41,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:41,776 INFO L93 Difference]: Finished difference Result 911 states and 1256 transitions. [2021-10-11 02:21:41,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:21:41,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-10-11 02:21:41,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:41,781 INFO L225 Difference]: With dead ends: 911 [2021-10-11 02:21:41,782 INFO L226 Difference]: Without dead ends: 790 [2021-10-11 02:21:41,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:21:41,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2021-10-11 02:21:41,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 332. [2021-10-11 02:21:41,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2021-10-11 02:21:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 445 transitions. [2021-10-11 02:21:41,844 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 445 transitions. Word has length 37 [2021-10-11 02:21:41,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:41,846 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 445 transitions. [2021-10-11 02:21:41,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:21:41,847 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 445 transitions. [2021-10-11 02:21:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:21:41,848 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:41,848 INFO L422 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] [2021-10-11 02:21:42,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:21:42,067 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:42,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:42,068 INFO L82 PathProgramCache]: Analyzing trace with hash 329840228, now seen corresponding path program 1 times [2021-10-11 02:21:42,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:42,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400332645] [2021-10-11 02:21:42,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:42,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:42,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:42,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:42,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400332645] [2021-10-11 02:21:42,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1992788759] [2021-10-11 02:21:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:42,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:21:42,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:42,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:42,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720022229] [2021-10-11 02:21:42,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:21:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:42,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:42,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:42,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:43,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:43,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:21:43,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-11 02:21:43,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941957838] [2021-10-11 02:21:43,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:21:43,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:43,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:21:43,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:21:43,030 INFO L87 Difference]: Start difference. First operand 332 states and 445 transitions. Second operand 8 states. [2021-10-11 02:21:47,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:47,516 INFO L93 Difference]: Finished difference Result 700 states and 948 transitions. [2021-10-11 02:21:47,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:21:47,517 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2021-10-11 02:21:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:47,520 INFO L225 Difference]: With dead ends: 700 [2021-10-11 02:21:47,520 INFO L226 Difference]: Without dead ends: 375 [2021-10-11 02:21:47,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:21:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-10-11 02:21:47,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 303. [2021-10-11 02:21:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2021-10-11 02:21:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 391 transitions. [2021-10-11 02:21:47,558 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 391 transitions. Word has length 54 [2021-10-11 02:21:47,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:47,558 INFO L481 AbstractCegarLoop]: Abstraction has 303 states and 391 transitions. [2021-10-11 02:21:47,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:21:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 391 transitions. [2021-10-11 02:21:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-11 02:21:47,560 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:47,560 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:48,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:48,179 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:48,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:48,179 INFO L82 PathProgramCache]: Analyzing trace with hash 620647972, now seen corresponding path program 1 times [2021-10-11 02:21:48,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:48,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323417267] [2021-10-11 02:21:48,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:48,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:21:48,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-11 02:21:48,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-11 02:21:48,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323417267] [2021-10-11 02:21:48,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1705445565] [2021-10-11 02:21:48,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:48,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:48,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-11 02:21:49,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:49,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:21:49,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 11 [2021-10-11 02:21:49,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36689118] [2021-10-11 02:21:49,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:49,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:49,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:49,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:21:49,046 INFO L87 Difference]: Start difference. First operand 303 states and 391 transitions. Second operand 3 states. [2021-10-11 02:21:50,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:50,611 INFO L93 Difference]: Finished difference Result 375 states and 484 transitions. [2021-10-11 02:21:50,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:50,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-10-11 02:21:50,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:50,612 INFO L225 Difference]: With dead ends: 375 [2021-10-11 02:21:50,612 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:21:50,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 284 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:21:50,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:21:50,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:21:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:21:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:21:50,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2021-10-11 02:21:50,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:50,615 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:21:50,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:50,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:21:50,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:21:51,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:51,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:21:51,245 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2021-10-11 02:21:51,835 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-10-11 02:21:52,101 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2021-10-11 02:21:52,305 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2021-10-11 02:21:52,592 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 32 [2021-10-11 02:21:52,891 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 30 [2021-10-11 02:21:53,053 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2021-10-11 02:21:53,253 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2021-10-11 02:21:53,375 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2021-10-11 02:21:53,639 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 30 [2021-10-11 02:21:53,922 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2021-10-11 02:21:54,236 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 6 [2021-10-11 02:21:54,404 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2021-10-11 02:21:54,685 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-10-11 02:21:54,689 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-11 02:21:54,689 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:21:54,689 INFO L262 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2021-10-11 02:21:54,689 INFO L262 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2021-10-11 02:21:54,690 INFO L262 CegarLoopResult]: For program point L863-2(lines 863 869) no Hoare annotation was computed. [2021-10-11 02:21:54,690 INFO L262 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2021-10-11 02:21:54,690 INFO L265 CegarLoopResult]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2021-10-11 02:21:54,690 INFO L258 CegarLoopResult]: At program point L946(lines 1 966) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:54,690 INFO L262 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2021-10-11 02:21:54,690 INFO L262 CegarLoopResult]: For program point L963-1(line 963) no Hoare annotation was computed. [2021-10-11 02:21:54,690 INFO L262 CegarLoopResult]: For program point L963-2(line 963) no Hoare annotation was computed. [2021-10-11 02:21:54,690 INFO L262 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:21:54,690 INFO L262 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:21:54,691 INFO L262 CegarLoopResult]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:21:54,691 INFO L262 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:21:54,692 INFO L258 CegarLoopResult]: At program point L881(lines 876 883) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:54,693 INFO L258 CegarLoopResult]: At program point L601(lines 597 619) the Hoare annotation is: (let ((.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,693 INFO L258 CegarLoopResult]: At program point L601-1(lines 597 619) the Hoare annotation is: false [2021-10-11 02:21:54,694 INFO L262 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2021-10-11 02:21:54,694 INFO L258 CegarLoopResult]: At program point L601-2(lines 597 619) the Hoare annotation is: false [2021-10-11 02:21:54,694 INFO L258 CegarLoopResult]: At program point L535-1(lines 535 541) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,694 INFO L258 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2021-10-11 02:21:54,694 INFO L262 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2021-10-11 02:21:54,695 INFO L258 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:21:54,695 INFO L262 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2021-10-11 02:21:54,695 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:21:54,695 INFO L258 CegarLoopResult]: At program point L471(lines 467 473) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:54,696 INFO L258 CegarLoopResult]: At program point L868(lines 859 872) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2))) [2021-10-11 02:21:54,696 INFO L258 CegarLoopResult]: At program point L868-1(lines 859 872) the Hoare annotation is: false [2021-10-11 02:21:54,696 INFO L258 CegarLoopResult]: At program point L868-2(lines 859 872) the Hoare annotation is: false [2021-10-11 02:21:54,696 INFO L262 CegarLoopResult]: For program point L670(lines 670 676) no Hoare annotation was computed. [2021-10-11 02:21:54,697 INFO L262 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:21:54,697 INFO L262 CegarLoopResult]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:21:54,697 INFO L262 CegarLoopResult]: For program point L670-2(lines 670 676) no Hoare annotation was computed. [2021-10-11 02:21:54,697 INFO L262 CegarLoopResult]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:21:54,697 INFO L262 CegarLoopResult]: For program point L670-4(lines 670 676) no Hoare annotation was computed. [2021-10-11 02:21:54,697 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-11 02:21:54,697 INFO L262 CegarLoopResult]: For program point L786(lines 786 790) no Hoare annotation was computed. [2021-10-11 02:21:54,697 INFO L262 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2021-10-11 02:21:54,698 INFO L262 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2021-10-11 02:21:54,698 INFO L262 CegarLoopResult]: For program point L786-3(lines 786 790) no Hoare annotation was computed. [2021-10-11 02:21:54,698 INFO L262 CegarLoopResult]: For program point L753-3(lines 753 757) no Hoare annotation was computed. [2021-10-11 02:21:54,698 INFO L262 CegarLoopResult]: For program point L753-5(lines 753 757) no Hoare annotation was computed. [2021-10-11 02:21:54,698 INFO L262 CegarLoopResult]: For program point L786-6(lines 786 790) no Hoare annotation was computed. [2021-10-11 02:21:54,699 INFO L262 CegarLoopResult]: For program point L555(lines 555 568) no Hoare annotation was computed. [2021-10-11 02:21:54,699 INFO L262 CegarLoopResult]: For program point L753-6(lines 753 757) no Hoare annotation was computed. [2021-10-11 02:21:54,699 INFO L262 CegarLoopResult]: For program point L753-8(lines 753 757) no Hoare annotation was computed. [2021-10-11 02:21:54,699 INFO L262 CegarLoopResult]: For program point L902(lines 902 919) no Hoare annotation was computed. [2021-10-11 02:21:54,699 INFO L258 CegarLoopResult]: At program point L902-1(lines 1 966) the Hoare annotation is: (let ((.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse4) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse6 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,699 INFO L262 CegarLoopResult]: For program point L902-2(lines 902 919) no Hoare annotation was computed. [2021-10-11 02:21:54,700 INFO L258 CegarLoopResult]: At program point L902-3(lines 1 966) the Hoare annotation is: false [2021-10-11 02:21:54,700 INFO L262 CegarLoopResult]: For program point L902-4(lines 902 919) no Hoare annotation was computed. [2021-10-11 02:21:54,700 INFO L258 CegarLoopResult]: At program point L902-5(lines 1 966) the Hoare annotation is: false [2021-10-11 02:21:54,702 INFO L258 CegarLoopResult]: At program point L704(lines 699 707) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse5 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse1 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,702 INFO L258 CegarLoopResult]: At program point L704-1(lines 699 707) the Hoare annotation is: (let ((.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse1 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,702 INFO L258 CegarLoopResult]: At program point L704-2(lines 699 707) the Hoare annotation is: false [2021-10-11 02:21:54,703 INFO L258 CegarLoopResult]: At program point L704-3(lines 699 707) the Hoare annotation is: false [2021-10-11 02:21:54,703 INFO L258 CegarLoopResult]: At program point L704-4(lines 699 707) the Hoare annotation is: false [2021-10-11 02:21:54,703 INFO L258 CegarLoopResult]: At program point L704-5(lines 699 707) the Hoare annotation is: false [2021-10-11 02:21:54,703 INFO L262 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-11 02:21:54,703 INFO L262 CegarLoopResult]: For program point L424-1(lines 424 428) no Hoare annotation was computed. [2021-10-11 02:21:54,703 INFO L258 CegarLoopResult]: At program point L573(lines 524 574) the Hoare annotation is: false [2021-10-11 02:21:54,703 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:21:54,704 INFO L258 CegarLoopResult]: At program point L954(lines 949 957) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:54,704 INFO L258 CegarLoopResult]: At program point L855(lines 850 858) the Hoare annotation is: (let ((.cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse5 .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse5 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,704 INFO L258 CegarLoopResult]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2021-10-11 02:21:54,704 INFO L258 CegarLoopResult]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2021-10-11 02:21:54,704 INFO L258 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,704 INFO L258 CegarLoopResult]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2021-10-11 02:21:54,705 INFO L258 CegarLoopResult]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2021-10-11 02:21:54,705 INFO L265 CegarLoopResult]: At program point L509(lines 490 512) the Hoare annotation is: true [2021-10-11 02:21:54,705 INFO L258 CegarLoopResult]: At program point L823(lines 818 826) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:54,705 INFO L258 CegarLoopResult]: At program point L823-1(lines 818 826) the Hoare annotation is: false [2021-10-11 02:21:54,705 INFO L258 CegarLoopResult]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2021-10-11 02:21:54,705 INFO L262 CegarLoopResult]: For program point L526(lines 525 572) no Hoare annotation was computed. [2021-10-11 02:21:54,705 INFO L262 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2021-10-11 02:21:54,706 INFO L262 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2021-10-11 02:21:54,706 INFO L262 CegarLoopResult]: For program point L906-4(lines 906 916) no Hoare annotation was computed. [2021-10-11 02:21:54,706 INFO L262 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2021-10-11 02:21:54,706 INFO L262 CegarLoopResult]: For program point L907(lines 907 913) no Hoare annotation was computed. [2021-10-11 02:21:54,706 INFO L262 CegarLoopResult]: For program point L907-2(lines 907 913) no Hoare annotation was computed. [2021-10-11 02:21:54,706 INFO L262 CegarLoopResult]: For program point L907-4(lines 907 913) no Hoare annotation was computed. [2021-10-11 02:21:54,706 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:21:54,707 INFO L258 CegarLoopResult]: At program point L891(lines 601 607) the Hoare annotation is: (let ((.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse1 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,707 INFO L258 CegarLoopResult]: At program point L891-1(lines 601 607) the Hoare annotation is: false [2021-10-11 02:21:54,707 INFO L258 CegarLoopResult]: At program point L891-2(lines 601 607) the Hoare annotation is: false [2021-10-11 02:21:54,707 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-11 02:21:54,707 INFO L258 CegarLoopResult]: At program point L759(lines 744 762) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2))) [2021-10-11 02:21:54,708 INFO L258 CegarLoopResult]: At program point L759-1(lines 744 762) the Hoare annotation is: false [2021-10-11 02:21:54,708 INFO L258 CegarLoopResult]: At program point L759-2(lines 744 762) the Hoare annotation is: false [2021-10-11 02:21:54,708 INFO L262 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2021-10-11 02:21:54,708 INFO L258 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,709 INFO L262 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2021-10-11 02:21:54,709 INFO L258 CegarLoopResult]: At program point L545-1(lines 545 551) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:54,709 INFO L262 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2021-10-11 02:21:54,709 INFO L258 CegarLoopResult]: At program point L695(lines 688 698) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:54,709 INFO L258 CegarLoopResult]: At program point L695-1(lines 688 698) the Hoare annotation is: false [2021-10-11 02:21:54,709 INFO L258 CegarLoopResult]: At program point L695-2(lines 688 698) the Hoare annotation is: false [2021-10-11 02:21:54,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:21:54 BoogieIcfgContainer [2021-10-11 02:21:54,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:21:54,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:21:54,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:21:54,775 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:21:54,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:35" (3/4) ... [2021-10-11 02:21:54,778 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:21:54,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:21:54,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:21:54,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:21:54,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:21:54,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:21:54,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:21:54,809 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:21:54,837 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == tmp) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,837 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,838 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,840 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,840 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,843 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:21:54,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:54,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:21:54,923 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_433b5ff4-2e55-48fe-8b35-454ac4008a43/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:21:54,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:21:54,924 INFO L168 Benchmark]: Toolchain (without parser) took 23258.23 ms. Allocated memory was 62.9 MB in the beginning and 123.7 MB in the end (delta: 60.8 MB). Free memory was 42.7 MB in the beginning and 39.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 62.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:54,924 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:54,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.83 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 42.5 MB in the beginning and 57.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:54,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.11 ms. Allocated memory is still 75.5 MB. Free memory was 57.6 MB in the beginning and 54.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:54,926 INFO L168 Benchmark]: Boogie Preprocessor took 86.07 ms. Allocated memory is still 75.5 MB. Free memory was 54.4 MB in the beginning and 51.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:54,926 INFO L168 Benchmark]: RCFGBuilder took 2372.84 ms. Allocated memory is still 75.5 MB. Free memory was 51.9 MB in the beginning and 39.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:54,927 INFO L168 Benchmark]: TraceAbstraction took 19737.19 ms. Allocated memory was 75.5 MB in the beginning and 123.7 MB in the end (delta: 48.2 MB). Free memory was 38.5 MB in the beginning and 47.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:54,927 INFO L168 Benchmark]: Witness Printer took 149.00 ms. Allocated memory is still 123.7 MB. Free memory was 47.9 MB in the beginning and 39.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:54,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 811.83 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 42.5 MB in the beginning and 57.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.11 ms. Allocated memory is still 75.5 MB. Free memory was 57.6 MB in the beginning and 54.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.07 ms. Allocated memory is still 75.5 MB. Free memory was 54.4 MB in the beginning and 51.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2372.84 ms. Allocated memory is still 75.5 MB. Free memory was 51.9 MB in the beginning and 39.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19737.19 ms. Allocated memory was 75.5 MB in the beginning and 123.7 MB in the end (delta: 48.2 MB). Free memory was 38.5 MB in the beginning and 47.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. * Witness Printer took 149.00 ms. Allocated memory is still 123.7 MB. Free memory was 47.9 MB in the beginning and 39.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == tmp) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 979 SDtfs, 1029 SDslu, 1391 SDs, 0 SdLazy, 216 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 892 GetRequests, 843 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 876 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 136 NumberOfFragments, 979 HoareAnnotationTreeSize, 45 FomulaSimplifications, 47144 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 45 FomulaSimplificationsInter, 8391 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 869 ConstructedInterpolants, 0 QuantifiedInterpolants, 126914 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3214 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 378/414 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...