./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.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_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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_3261530c-6f33-4386-aa48-2c235544946b/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 fed47f8471b5c81afa3edb58ddb4d4213a39ce3e ............................................................................................................................................ 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_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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_3261530c-6f33-4386-aa48-2c235544946b/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 fed47f8471b5c81afa3edb58ddb4d4213a39ce3e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:29:46,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:46,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:47,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:47,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:47,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:47,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:47,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:47,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:47,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:47,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:47,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:47,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:47,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:47,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:47,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:47,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:47,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:47,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:47,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:47,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:47,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:47,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:47,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:47,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:47,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:47,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:47,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:47,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:47,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:47,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:47,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:47,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:47,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:47,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:47,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:47,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:47,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:47,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:47,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:47,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:47,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:47,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:47,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:47,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:47,181 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:47,181 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:47,181 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:47,182 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:47,182 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:47,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:47,190 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:47,191 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:47,191 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:47,192 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:47,192 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:47,192 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:47,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:47,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:47,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:47,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:47,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:47,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:47,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:47,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:47,196 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:47,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:47,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:47,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:47,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:47,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:47,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:47,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:47,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:47,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:47,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:47,202 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:47,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:47,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:47,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:47,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:47,203 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_3261530c-6f33-4386-aa48-2c235544946b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed47f8471b5c81afa3edb58ddb4d4213a39ce3e [2021-10-11 02:29:47,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:47,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:47,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:47,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:47,570 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:47,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-11 02:29:47,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data/46fc9126e/ef82572fe2a546a7a3e65d4b8e20e0bb/FLAG2bdf740c3 [2021-10-11 02:29:48,202 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:48,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-11 02:29:48,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data/46fc9126e/ef82572fe2a546a7a3e65d4b8e20e0bb/FLAG2bdf740c3 [2021-10-11 02:29:48,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data/46fc9126e/ef82572fe2a546a7a3e65d4b8e20e0bb [2021-10-11 02:29:48,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:48,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:48,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:48,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:48,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:48,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:48" (1/1) ... [2021-10-11 02:29:48,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46682939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:48, skipping insertion in model container [2021-10-11 02:29:48,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:48" (1/1) ... [2021-10-11 02:29:48,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:48,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:48,769 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_3261530c-6f33-4386-aa48-2c235544946b/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1281,1294] [2021-10-11 02:29:49,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:49,022 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 02:29:49,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69d373c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:49, skipping insertion in model container [2021-10-11 02:29:49,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:49,025 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:49,028 INFO L168 Benchmark]: Toolchain (without parser) took 486.19 ms. Allocated memory was 83.9 MB in the beginning and 127.9 MB in the end (delta: 44.0 MB). Free memory was 46.5 MB in the beginning and 105.8 MB in the end (delta: -59.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:49,030 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 63.5 MB in the beginning and 63.5 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:49,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.89 ms. Allocated memory was 83.9 MB in the beginning and 127.9 MB in the end (delta: 44.0 MB). Free memory was 46.3 MB in the beginning and 105.8 MB in the end (delta: -59.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:49,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 63.5 MB in the beginning and 63.5 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.89 ms. Allocated memory was 83.9 MB in the beginning and 127.9 MB in the end (delta: 44.0 MB). Free memory was 46.3 MB in the beginning and 105.8 MB in the end (delta: -59.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 117]: 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 02:29:51,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:51,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:51,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:51,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:51,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:51,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:51,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:51,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:51,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:51,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:51,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:51,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:51,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:51,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:51,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:51,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:51,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:51,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:51,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:51,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:51,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:51,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:51,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:51,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:51,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:51,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:51,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:51,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:51,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:51,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:51,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:51,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:51,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:51,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:51,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:51,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:51,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:51,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:51,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:51,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:51,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:51,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:51,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:51,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:51,816 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:51,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:51,817 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:51,817 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:51,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:51,817 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:51,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:51,819 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:51,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:51,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:51,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:51,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:51,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:51,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:51,820 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:51,820 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:51,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:51,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:51,821 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:51,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:51,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:51,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:51,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:51,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:51,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:51,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:51,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:51,823 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:51,823 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:51,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:51,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:51,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:51,824 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_3261530c-6f33-4386-aa48-2c235544946b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed47f8471b5c81afa3edb58ddb4d4213a39ce3e [2021-10-11 02:29:52,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:52,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:52,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:52,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:52,270 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:52,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-11 02:29:52,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data/7e0820d83/4cd94c62299d4e7f9ad16cf815ac8dc2/FLAG09f8896a8 [2021-10-11 02:29:53,060 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:53,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-11 02:29:53,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data/7e0820d83/4cd94c62299d4e7f9ad16cf815ac8dc2/FLAG09f8896a8 [2021-10-11 02:29:53,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/data/7e0820d83/4cd94c62299d4e7f9ad16cf815ac8dc2 [2021-10-11 02:29:53,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:53,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:53,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:53,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:53,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:53,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b514a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53, skipping insertion in model container [2021-10-11 02:29:53,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:53,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:53,487 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_3261530c-6f33-4386-aa48-2c235544946b/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1281,1294] [2021-10-11 02:29:53,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:53,748 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:53,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:53,780 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_3261530c-6f33-4386-aa48-2c235544946b/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1281,1294] [2021-10-11 02:29:53,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:53,875 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:53,889 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_3261530c-6f33-4386-aa48-2c235544946b/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1281,1294] [2021-10-11 02:29:53,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:53,993 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:53,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53 WrapperNode [2021-10-11 02:29:53,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:53,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:53,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:53,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:54,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:54,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:54,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:54,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:54,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:54,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:54,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:54,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:54,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:54,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:54,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:54,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:54,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:54,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:54,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:54,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:54,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:54,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:29:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:54,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:57,227 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:57,228 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-11 02:29:57,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:57 BoogieIcfgContainer [2021-10-11 02:29:57,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:57,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:57,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:57,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:57,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:53" (1/3) ... [2021-10-11 02:29:57,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72838391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:57, skipping insertion in model container [2021-10-11 02:29:57,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (2/3) ... [2021-10-11 02:29:57,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72838391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:57, skipping insertion in model container [2021-10-11 02:29:57,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:57" (3/3) ... [2021-10-11 02:29:57,246 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2021-10-11 02:29:57,263 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:57,267 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:29:57,280 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:29:57,327 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:57,327 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:57,328 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:57,328 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:57,328 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:57,328 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:57,328 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:57,329 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2021-10-11 02:29:57,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:29:57,356 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:57,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:57,358 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:57,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:57,364 INFO L82 PathProgramCache]: Analyzing trace with hash -986925596, now seen corresponding path program 1 times [2021-10-11 02:29:57,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:57,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933032211] [2021-10-11 02:29:57,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:29:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:57,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:29:57,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:57,735 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 02:29:57,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:57,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933032211] [2021-10-11 02:29:57,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:57,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:57,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364569411] [2021-10-11 02:29:57,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:29:57,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:57,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:29:57,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:29:57,765 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2021-10-11 02:29:57,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:57,824 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2021-10-11 02:29:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:29:57,826 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:29:57,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:57,855 INFO L225 Difference]: With dead ends: 263 [2021-10-11 02:29:57,855 INFO L226 Difference]: Without dead ends: 131 [2021-10-11 02:29:57,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:29:57,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-11 02:29:57,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-11 02:29:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 02:29:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2021-10-11 02:29:57,946 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2021-10-11 02:29:57,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:57,947 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2021-10-11 02:29:57,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:29:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2021-10-11 02:29:57,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:29:57,950 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:57,950 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 02:29:58,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:29:58,175 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:58,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:58,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1205761565, now seen corresponding path program 1 times [2021-10-11 02:29:58,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:58,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687078343] [2021-10-11 02:29:58,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:29:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:58,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:58,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:58,453 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 02:29:58,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:58,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687078343] [2021-10-11 02:29:58,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:58,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:58,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542577326] [2021-10-11 02:29:58,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:58,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:58,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:58,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:58,458 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2021-10-11 02:29:58,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:58,472 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2021-10-11 02:29:58,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:58,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:29:58,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:58,474 INFO L225 Difference]: With dead ends: 131 [2021-10-11 02:29:58,474 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:29:58,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:29:58,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:29:58,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:29:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:29:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 02:29:58,482 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-11 02:29:58,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:58,482 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 02:29:58,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 02:29:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:29:58,484 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:58,484 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] [2021-10-11 02:29:58,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:29:58,701 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:58,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:58,702 INFO L82 PathProgramCache]: Analyzing trace with hash 462208575, now seen corresponding path program 1 times [2021-10-11 02:29:58,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:58,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983841002] [2021-10-11 02:29:58,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:29:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:58,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:58,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:58,960 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 02:29:58,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:58,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983841002] [2021-10-11 02:29:58,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:58,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:58,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748403293] [2021-10-11 02:29:58,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:58,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:58,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:58,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:58,964 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2021-10-11 02:29:58,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:58,985 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-11 02:29:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:58,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:29:58,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:58,987 INFO L225 Difference]: With dead ends: 151 [2021-10-11 02:29:58,987 INFO L226 Difference]: Without dead ends: 103 [2021-10-11 02:29:58,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 02:29:58,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-11 02:29:59,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2021-10-11 02:29:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-10-11 02:29:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2021-10-11 02:29:59,005 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2021-10-11 02:29:59,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:59,005 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2021-10-11 02:29:59,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2021-10-11 02:29:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:29:59,007 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:59,008 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 02:29:59,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:29:59,222 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:59,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:59,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1540791297, now seen corresponding path program 1 times [2021-10-11 02:29:59,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:59,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550312983] [2021-10-11 02:29:59,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:29:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:59,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:59,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:59,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:59,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:59,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550312983] [2021-10-11 02:29:59,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:59,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:59,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371350817] [2021-10-11 02:29:59,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:59,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:59,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:59,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:59,451 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand 3 states. [2021-10-11 02:29:59,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:59,524 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2021-10-11 02:29:59,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:59,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:29:59,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:59,527 INFO L225 Difference]: With dead ends: 234 [2021-10-11 02:29:59,527 INFO L226 Difference]: Without dead ends: 142 [2021-10-11 02:29:59,528 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 02:29:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-11 02:29:59,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2021-10-11 02:29:59,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 02:29:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2021-10-11 02:29:59,544 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2021-10-11 02:29:59,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:59,545 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2021-10-11 02:29:59,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2021-10-11 02:29:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:29:59,546 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:59,546 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 02:29:59,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:29:59,767 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:59,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:59,767 INFO L82 PathProgramCache]: Analyzing trace with hash 783716552, now seen corresponding path program 1 times [2021-10-11 02:29:59,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:59,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957663306] [2021-10-11 02:29:59,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:29:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:59,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:59,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:00,027 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 02:30:00,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:00,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957663306] [2021-10-11 02:30:00,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:00,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:00,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75627906] [2021-10-11 02:30:00,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:00,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:00,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:00,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:00,030 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand 5 states. [2021-10-11 02:30:00,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:00,237 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2021-10-11 02:30:00,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:00,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:30:00,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:00,242 INFO L225 Difference]: With dead ends: 685 [2021-10-11 02:30:00,242 INFO L226 Difference]: Without dead ends: 552 [2021-10-11 02:30:00,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 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 02:30:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2021-10-11 02:30:00,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2021-10-11 02:30:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2021-10-11 02:30:00,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2021-10-11 02:30:00,295 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2021-10-11 02:30:00,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:00,295 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2021-10-11 02:30:00,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:00,296 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2021-10-11 02:30:00,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:30:00,297 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:00,297 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] [2021-10-11 02:30:00,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,497 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:00,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:00,498 INFO L82 PathProgramCache]: Analyzing trace with hash -650428608, now seen corresponding path program 1 times [2021-10-11 02:30:00,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:00,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081477201] [2021-10-11 02:30:00,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:30:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:00,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:00,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:00,781 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 02:30:00,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:00,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081477201] [2021-10-11 02:30:00,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:00,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:00,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697653800] [2021-10-11 02:30:00,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:00,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:00,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:00,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:00,784 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand 5 states. [2021-10-11 02:30:01,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:01,060 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2021-10-11 02:30:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:01,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 02:30:01,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:01,065 INFO L225 Difference]: With dead ends: 997 [2021-10-11 02:30:01,066 INFO L226 Difference]: Without dead ends: 745 [2021-10-11 02:30:01,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 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 02:30:01,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2021-10-11 02:30:01,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2021-10-11 02:30:01,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2021-10-11 02:30:01,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2021-10-11 02:30:01,109 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2021-10-11 02:30:01,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:01,109 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2021-10-11 02:30:01,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2021-10-11 02:30:01,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:30:01,118 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:01,119 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 02:30:01,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:01,338 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:01,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:01,338 INFO L82 PathProgramCache]: Analyzing trace with hash -862410324, now seen corresponding path program 1 times [2021-10-11 02:30:01,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:01,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837622767] [2021-10-11 02:30:01,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:30:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:01,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:01,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:01,638 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 02:30:01,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:01,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837622767] [2021-10-11 02:30:01,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:01,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:01,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865254987] [2021-10-11 02:30:01,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:01,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:01,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:01,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:01,642 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand 5 states. [2021-10-11 02:30:01,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:01,826 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2021-10-11 02:30:01,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:01,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 02:30:01,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:01,832 INFO L225 Difference]: With dead ends: 687 [2021-10-11 02:30:01,832 INFO L226 Difference]: Without dead ends: 437 [2021-10-11 02:30:01,839 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 02:30:01,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-10-11 02:30:01,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2021-10-11 02:30:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2021-10-11 02:30:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2021-10-11 02:30:01,876 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2021-10-11 02:30:01,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:01,878 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2021-10-11 02:30:01,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2021-10-11 02:30:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:30:01,880 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:01,881 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 02:30:02,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:02,103 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:02,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:02,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1873527574, now seen corresponding path program 1 times [2021-10-11 02:30:02,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:02,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102499719] [2021-10-11 02:30:02,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:30:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:02,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:02,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:02,369 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 02:30:02,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:02,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102499719] [2021-10-11 02:30:02,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:02,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:02,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406962440] [2021-10-11 02:30:02,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:02,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:02,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:02,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:02,371 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand 4 states. [2021-10-11 02:30:02,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:02,459 INFO L93 Difference]: Finished difference Result 675 states and 927 transitions. [2021-10-11 02:30:02,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:02,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2021-10-11 02:30:02,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:02,463 INFO L225 Difference]: With dead ends: 675 [2021-10-11 02:30:02,463 INFO L226 Difference]: Without dead ends: 401 [2021-10-11 02:30:02,464 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 02:30:02,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-10-11 02:30:02,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 297. [2021-10-11 02:30:02,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2021-10-11 02:30:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2021-10-11 02:30:02,499 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2021-10-11 02:30:02,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:02,499 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2021-10-11 02:30:02,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2021-10-11 02:30:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:30:02,500 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:02,501 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 02:30:02,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:30:02,718 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:02,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1400371368, now seen corresponding path program 1 times [2021-10-11 02:30:02,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:02,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860967541] [2021-10-11 02:30:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:30:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:02,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:02,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:02,983 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 02:30:02,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:02,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860967541] [2021-10-11 02:30:02,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:02,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:02,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394729647] [2021-10-11 02:30:02,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:02,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:02,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:02,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:02,985 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand 3 states. [2021-10-11 02:30:03,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:03,054 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2021-10-11 02:30:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:03,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 02:30:03,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:03,058 INFO L225 Difference]: With dead ends: 691 [2021-10-11 02:30:03,058 INFO L226 Difference]: Without dead ends: 401 [2021-10-11 02:30:03,060 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 02:30:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-10-11 02:30:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2021-10-11 02:30:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2021-10-11 02:30:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2021-10-11 02:30:03,112 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2021-10-11 02:30:03,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:03,114 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2021-10-11 02:30:03,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2021-10-11 02:30:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:30:03,116 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:03,116 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 02:30:03,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,332 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:03,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:03,332 INFO L82 PathProgramCache]: Analyzing trace with hash -74107416, now seen corresponding path program 1 times [2021-10-11 02:30:03,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:03,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552050181] [2021-10-11 02:30:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/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 02:30:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:03,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:03,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:03,644 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 02:30:03,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:03,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552050181] [2021-10-11 02:30:03,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:03,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:30:03,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448982285] [2021-10-11 02:30:03,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:30:03,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:03,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:30:03,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:03,647 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand 6 states. [2021-10-11 02:30:05,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:05,574 INFO L93 Difference]: Finished difference Result 1436 states and 1911 transitions. [2021-10-11 02:30:05,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 02:30:05,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-10-11 02:30:05,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:05,580 INFO L225 Difference]: With dead ends: 1436 [2021-10-11 02:30:05,580 INFO L226 Difference]: Without dead ends: 1042 [2021-10-11 02:30:05,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:30:05,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-10-11 02:30:05,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 401. [2021-10-11 02:30:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2021-10-11 02:30:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2021-10-11 02:30:05,654 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2021-10-11 02:30:05,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:05,655 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2021-10-11 02:30:05,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:05,655 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2021-10-11 02:30:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:30:05,656 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:05,656 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:05,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,875 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:05,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:05,876 INFO L82 PathProgramCache]: Analyzing trace with hash 805243324, now seen corresponding path program 1 times [2021-10-11 02:30:05,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:05,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209663803] [2021-10-11 02:30:05,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:06,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:06,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:06,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:06,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209663803] [2021-10-11 02:30:06,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:06,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:06,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731641559] [2021-10-11 02:30:06,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:06,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:06,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:06,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:06,168 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand 3 states. [2021-10-11 02:30:06,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:06,294 INFO L93 Difference]: Finished difference Result 680 states and 889 transitions. [2021-10-11 02:30:06,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:06,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-10-11 02:30:06,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:06,299 INFO L225 Difference]: With dead ends: 680 [2021-10-11 02:30:06,299 INFO L226 Difference]: Without dead ends: 477 [2021-10-11 02:30:06,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 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 02:30:06,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2021-10-11 02:30:06,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 278. [2021-10-11 02:30:06,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2021-10-11 02:30:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 360 transitions. [2021-10-11 02:30:06,361 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 360 transitions. Word has length 54 [2021-10-11 02:30:06,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:06,362 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 360 transitions. [2021-10-11 02:30:06,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 360 transitions. [2021-10-11 02:30:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:30:06,363 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:06,363 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:06,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:30:06,577 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:06,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:06,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1122601091, now seen corresponding path program 1 times [2021-10-11 02:30:06,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:06,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583667480] [2021-10-11 02:30:06,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:06,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:06,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:30:06,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:06,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583667480] [2021-10-11 02:30:06,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:06,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:30:06,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479798025] [2021-10-11 02:30:06,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:30:06,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:06,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:30:06,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:06,897 INFO L87 Difference]: Start difference. First operand 278 states and 360 transitions. Second operand 6 states. [2021-10-11 02:30:09,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:09,177 INFO L93 Difference]: Finished difference Result 757 states and 991 transitions. [2021-10-11 02:30:09,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 02:30:09,178 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2021-10-11 02:30:09,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:09,179 INFO L225 Difference]: With dead ends: 757 [2021-10-11 02:30:09,179 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:09,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:30:09,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:09,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:09,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:09,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-11 02:30:09,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:09,182 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:09,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:09,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:09,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:09,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:30:09,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:10,213 WARN L197 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 111 [2021-10-11 02:30:10,818 WARN L197 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 151 [2021-10-11 02:30:11,118 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 144 [2021-10-11 02:30:11,710 WARN L197 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 144 [2021-10-11 02:30:11,877 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 100 [2021-10-11 02:30:12,253 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 114 [2021-10-11 02:30:12,542 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 99 [2021-10-11 02:30:12,696 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 100 [2021-10-11 02:30:12,872 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 90 [2021-10-11 02:30:13,692 WARN L197 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2021-10-11 02:30:14,845 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2021-10-11 02:30:15,528 WARN L197 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2021-10-11 02:30:16,694 WARN L197 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2021-10-11 02:30:17,278 WARN L197 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 26 [2021-10-11 02:30:17,915 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2021-10-11 02:30:18,064 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 21 [2021-10-11 02:30:18,425 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 21 [2021-10-11 02:30:19,133 WARN L197 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 14 [2021-10-11 02:30:19,959 WARN L197 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 26 [2021-10-11 02:30:20,126 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-10-11 02:30:20,459 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 19 [2021-10-11 02:30:20,487 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:30:20,487 INFO L262 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2021-10-11 02:30:20,488 INFO L258 CegarLoopResult]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2 .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse1 .cse4 .cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:30:20,488 INFO L262 CegarLoopResult]: For program point L764(lines 764 781) no Hoare annotation was computed. [2021-10-11 02:30:20,488 INFO L262 CegarLoopResult]: For program point L764-1(lines 764 781) no Hoare annotation was computed. [2021-10-11 02:30:20,488 INFO L262 CegarLoopResult]: For program point L764-2(lines 764 781) no Hoare annotation was computed. [2021-10-11 02:30:20,488 INFO L262 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-10-11 02:30:20,488 INFO L262 CegarLoopResult]: For program point L897(lines 897 903) no Hoare annotation was computed. [2021-10-11 02:30:20,488 INFO L258 CegarLoopResult]: At program point L897-1(lines 897 903) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1))) [2021-10-11 02:30:20,488 INFO L262 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2021-10-11 02:30:20,488 INFO L262 CegarLoopResult]: For program point L800-2(lines 800 806) no Hoare annotation was computed. [2021-10-11 02:30:20,489 INFO L262 CegarLoopResult]: For program point L800-4(lines 800 806) no Hoare annotation was computed. [2021-10-11 02:30:20,489 INFO L262 CegarLoopResult]: For program point L800-6(lines 800 806) no Hoare annotation was computed. [2021-10-11 02:30:20,489 INFO L262 CegarLoopResult]: For program point L800-8(lines 800 806) no Hoare annotation was computed. [2021-10-11 02:30:20,489 INFO L262 CegarLoopResult]: For program point L800-10(lines 800 806) no Hoare annotation was computed. [2021-10-11 02:30:20,489 INFO L258 CegarLoopResult]: At program point L834(lines 829 837) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) [2021-10-11 02:30:20,489 INFO L258 CegarLoopResult]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2021-10-11 02:30:20,490 INFO L262 CegarLoopResult]: For program point L768(lines 768 776) no Hoare annotation was computed. [2021-10-11 02:30:20,490 INFO L258 CegarLoopResult]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2021-10-11 02:30:20,490 INFO L262 CegarLoopResult]: For program point L768-1(lines 768 776) no Hoare annotation was computed. [2021-10-11 02:30:20,492 INFO L262 CegarLoopResult]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2021-10-11 02:30:20,492 INFO L258 CegarLoopResult]: At program point L967(lines 918 968) the Hoare annotation is: false [2021-10-11 02:30:20,492 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:30:20,492 INFO L258 CegarLoopResult]: At program point L76(lines 1 974) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:20,492 INFO L262 CegarLoopResult]: For program point L738(lines 738 755) no Hoare annotation was computed. [2021-10-11 02:30:20,492 INFO L262 CegarLoopResult]: For program point L738-1(lines 738 755) no Hoare annotation was computed. [2021-10-11 02:30:20,492 INFO L262 CegarLoopResult]: For program point L738-2(lines 738 755) no Hoare annotation was computed. [2021-10-11 02:30:20,492 INFO L262 CegarLoopResult]: For program point L738-3(lines 738 755) no Hoare annotation was computed. [2021-10-11 02:30:20,493 INFO L262 CegarLoopResult]: For program point L738-4(lines 738 755) no Hoare annotation was computed. [2021-10-11 02:30:20,493 INFO L262 CegarLoopResult]: For program point L738-5(lines 738 755) no Hoare annotation was computed. [2021-10-11 02:30:20,493 INFO L262 CegarLoopResult]: For program point L474(lines 474 491) no Hoare annotation was computed. [2021-10-11 02:30:20,494 INFO L258 CegarLoopResult]: At program point L474-1(lines 1 974) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2 .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse1 .cse4 .cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:30:20,494 INFO L262 CegarLoopResult]: For program point L474-2(lines 474 491) no Hoare annotation was computed. [2021-10-11 02:30:20,494 INFO L258 CegarLoopResult]: At program point L474-3(lines 1 974) the Hoare annotation is: false [2021-10-11 02:30:20,494 INFO L262 CegarLoopResult]: For program point L474-4(lines 474 491) no Hoare annotation was computed. [2021-10-11 02:30:20,494 INFO L258 CegarLoopResult]: At program point L474-5(lines 1 974) the Hoare annotation is: false [2021-10-11 02:30:20,494 INFO L258 CegarLoopResult]: At program point L706(lines 705 724) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse3 .cse0 .cse1) (and .cse0 .cse4 .cse2))) [2021-10-11 02:30:20,494 INFO L262 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2021-10-11 02:30:20,495 INFO L258 CegarLoopResult]: At program point L706-2(lines 705 724) the Hoare annotation is: false [2021-10-11 02:30:20,495 INFO L258 CegarLoopResult]: At program point L706-3(lines 705 724) the Hoare annotation is: false [2021-10-11 02:30:20,495 INFO L258 CegarLoopResult]: At program point L508-2(lines 508 522) the Hoare annotation is: false [2021-10-11 02:30:20,495 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:30:20,495 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:30:20,495 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:30:20,495 INFO L262 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2021-10-11 02:30:20,495 INFO L262 CegarLoopResult]: For program point L608-3(lines 608 612) no Hoare annotation was computed. [2021-10-11 02:30:20,495 INFO L262 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-11 02:30:20,495 INFO L262 CegarLoopResult]: For program point L608-6(lines 608 612) no Hoare annotation was computed. [2021-10-11 02:30:20,495 INFO L262 CegarLoopResult]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L258 CegarLoopResult]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse3 .cse0 .cse1) (and .cse0 .cse4 .cse2))) [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L742(lines 742 750) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L742-1(lines 742 750) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L742-2(lines 742 750) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L742-3(lines 742 750) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L742-4(lines 742 750) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L742-5(lines 742 750) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L478-4(lines 478 488) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2021-10-11 02:30:20,496 INFO L262 CegarLoopResult]: For program point L512-1(lines 706 712) no Hoare annotation was computed. [2021-10-11 02:30:20,497 INFO L262 CegarLoopResult]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2021-10-11 02:30:20,497 INFO L262 CegarLoopResult]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2021-10-11 02:30:20,497 INFO L258 CegarLoopResult]: At program point L645(lines 640 648) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2021-10-11 02:30:20,497 INFO L258 CegarLoopResult]: At program point L645-1(lines 640 648) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:30:20,497 INFO L258 CegarLoopResult]: At program point L645-2(lines 640 648) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2021-10-11 02:30:20,497 INFO L258 CegarLoopResult]: At program point L645-3(lines 640 648) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-11 02:30:20,497 INFO L258 CegarLoopResult]: At program point L645-4(lines 640 648) the Hoare annotation is: false [2021-10-11 02:30:20,497 INFO L258 CegarLoopResult]: At program point L645-5(lines 640 648) the Hoare annotation is: false [2021-10-11 02:30:20,497 INFO L258 CegarLoopResult]: At program point L645-6(lines 640 648) the Hoare annotation is: false [2021-10-11 02:30:20,497 INFO L258 CegarLoopResult]: At program point L645-7(lines 640 648) the Hoare annotation is: false [2021-10-11 02:30:20,498 INFO L258 CegarLoopResult]: At program point L645-8(lines 640 648) the Hoare annotation is: false [2021-10-11 02:30:20,498 INFO L258 CegarLoopResult]: At program point L645-9(lines 640 648) the Hoare annotation is: false [2021-10-11 02:30:20,498 INFO L258 CegarLoopResult]: At program point L645-10(lines 640 648) the Hoare annotation is: false [2021-10-11 02:30:20,498 INFO L258 CegarLoopResult]: At program point L645-11(lines 640 648) the Hoare annotation is: false [2021-10-11 02:30:20,498 INFO L258 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:20,498 INFO L258 CegarLoopResult]: At program point L713(lines 713 719) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse2))) [2021-10-11 02:30:20,498 INFO L258 CegarLoopResult]: At program point L713-1(lines 713 719) the Hoare annotation is: false [2021-10-11 02:30:20,498 INFO L258 CegarLoopResult]: At program point L713-2(lines 713 719) the Hoare annotation is: false [2021-10-11 02:30:20,498 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:20,498 INFO L262 CegarLoopResult]: For program point L584(lines 584 591) no Hoare annotation was computed. [2021-10-11 02:30:20,498 INFO L265 CegarLoopResult]: At program point L584-1(lines 584 591) the Hoare annotation is: true [2021-10-11 02:30:20,498 INFO L262 CegarLoopResult]: For program point L949(lines 949 962) no Hoare annotation was computed. [2021-10-11 02:30:20,498 INFO L262 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,499 INFO L262 CegarLoopResult]: For program point L883-2(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,499 INFO L262 CegarLoopResult]: For program point L883-3(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,499 INFO L262 CegarLoopResult]: For program point L883-5(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,499 INFO L262 CegarLoopResult]: For program point L685(lines 685 691) no Hoare annotation was computed. [2021-10-11 02:30:20,499 INFO L262 CegarLoopResult]: For program point L883-6(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,499 INFO L262 CegarLoopResult]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2021-10-11 02:30:20,500 INFO L262 CegarLoopResult]: For program point L685-2(lines 685 691) no Hoare annotation was computed. [2021-10-11 02:30:20,500 INFO L262 CegarLoopResult]: For program point L883-8(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,500 INFO L262 CegarLoopResult]: For program point L685-3(lines 685 691) no Hoare annotation was computed. [2021-10-11 02:30:20,500 INFO L262 CegarLoopResult]: For program point L883-9(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,500 INFO L262 CegarLoopResult]: For program point L685-4(lines 685 691) no Hoare annotation was computed. [2021-10-11 02:30:20,508 INFO L262 CegarLoopResult]: For program point L883-11(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point L685-5(lines 685 691) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point L883-12(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point L883-14(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point L883-15(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point L883-17(lines 883 887) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point L920(lines 919 966) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L262 CegarLoopResult]: For program point L921(lines 921 925) no Hoare annotation was computed. [2021-10-11 02:30:20,509 INFO L258 CegarLoopResult]: At program point L690(lines 681 694) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:30:20,509 INFO L258 CegarLoopResult]: At program point L690-1(lines 681 694) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:30:20,509 INFO L258 CegarLoopResult]: At program point L690-2(lines 681 694) the Hoare annotation is: false [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L690-3(lines 681 694) the Hoare annotation is: false [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L690-4(lines 681 694) the Hoare annotation is: false [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L690-5(lines 681 694) the Hoare annotation is: false [2021-10-11 02:30:20,510 INFO L262 CegarLoopResult]: For program point L955(lines 955 961) no Hoare annotation was computed. [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L955-1(lines 706 712) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse3 .cse0 .cse1) (and .cse0 .cse4 .cse2))) [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L889(lines 874 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L889-1(lines 874 892) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L889-2(lines 874 892) the Hoare annotation is: false [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L889-3(lines 874 892) the Hoare annotation is: false [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L889-4(lines 874 892) the Hoare annotation is: false [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L889-5(lines 874 892) the Hoare annotation is: false [2021-10-11 02:30:20,510 INFO L258 CegarLoopResult]: At program point L559(lines 555 561) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:20,511 INFO L265 CegarLoopResult]: At program point L593(lines 574 596) the Hoare annotation is: true [2021-10-11 02:30:20,511 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:20,511 INFO L258 CegarLoopResult]: At program point L825(lines 818 828) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2021-10-11 02:30:20,511 INFO L258 CegarLoopResult]: At program point L825-1(lines 818 828) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:30:20,512 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:30:20,512 INFO L258 CegarLoopResult]: At program point L825-2(lines 818 828) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2021-10-11 02:30:20,512 INFO L258 CegarLoopResult]: At program point L825-3(lines 818 828) the Hoare annotation is: false [2021-10-11 02:30:20,512 INFO L258 CegarLoopResult]: At program point L825-4(lines 818 828) the Hoare annotation is: false [2021-10-11 02:30:20,512 INFO L258 CegarLoopResult]: At program point L825-5(lines 818 828) the Hoare annotation is: false [2021-10-11 02:30:20,512 INFO L258 CegarLoopResult]: At program point L825-6(lines 818 828) the Hoare annotation is: false [2021-10-11 02:30:20,512 INFO L258 CegarLoopResult]: At program point L825-7(lines 818 828) the Hoare annotation is: false [2021-10-11 02:30:20,512 INFO L258 CegarLoopResult]: At program point L825-8(lines 818 828) the Hoare annotation is: false [2021-10-11 02:30:20,513 INFO L258 CegarLoopResult]: At program point L463(lines 458 465) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:20,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:20 BoogieIcfgContainer [2021-10-11 02:30:20,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:20,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:20,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:20,576 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:20,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:57" (3/4) ... [2021-10-11 02:30:20,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:20,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:20,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:20,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:20,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:20,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:20,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:20,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:20,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:20,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:20,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2021-10-11 02:30:20,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:30:20,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:30:20,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32) [2021-10-11 02:30:20,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 [2021-10-11 02:30:20,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:30:20,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 [2021-10-11 02:30:20,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:30:20,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 [2021-10-11 02:30:20,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 [2021-10-11 02:30:20,797 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3261530c-6f33-4386-aa48-2c235544946b/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:20,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:20,799 INFO L168 Benchmark]: Toolchain (without parser) took 27554.77 ms. Allocated memory was 58.7 MB in the beginning and 195.0 MB in the end (delta: 136.3 MB). Free memory was 38.2 MB in the beginning and 63.3 MB in the end (delta: -25.1 MB). Peak memory consumption was 110.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,800 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:20,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.88 ms. Allocated memory is still 58.7 MB. Free memory was 38.0 MB in the beginning and 25.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.99 ms. Allocated memory is still 58.7 MB. Free memory was 25.3 MB in the beginning and 41.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,801 INFO L168 Benchmark]: Boogie Preprocessor took 90.34 ms. Allocated memory is still 58.7 MB. Free memory was 41.4 MB in the beginning and 38.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,802 INFO L168 Benchmark]: RCFGBuilder took 3033.27 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 38.5 MB in the beginning and 48.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,802 INFO L168 Benchmark]: TraceAbstraction took 23340.08 ms. Allocated memory was 75.5 MB in the beginning and 195.0 MB in the end (delta: 119.5 MB). Free memory was 47.9 MB in the beginning and 74.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 109.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,803 INFO L168 Benchmark]: Witness Printer took 222.31 ms. Allocated memory is still 195.0 MB. Free memory was 74.8 MB in the beginning and 63.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 749.88 ms. Allocated memory is still 58.7 MB. Free memory was 38.0 MB in the beginning and 25.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.99 ms. Allocated memory is still 58.7 MB. Free memory was 25.3 MB in the beginning and 41.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.34 ms. Allocated memory is still 58.7 MB. Free memory was 41.4 MB in the beginning and 38.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3033.27 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 38.5 MB in the beginning and 48.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23340.08 ms. Allocated memory was 75.5 MB in the beginning and 195.0 MB in the end (delta: 119.5 MB). Free memory was 47.9 MB in the beginning and 74.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 109.8 MB. Max. memory is 16.1 GB. * Witness Printer took 222.31 ms. Allocated memory is still 195.0 MB. Free memory was 74.8 MB in the beginning and 63.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 939]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32))) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32))) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((((0bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32))) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1427 SDtfs, 1747 SDslu, 2444 SDs, 0 SdLazy, 362 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 429 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1887 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 311 NumberOfFragments, 777 HoareAnnotationTreeSize, 57 FomulaSimplifications, 1306123 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 57 FomulaSimplificationsInter, 131007 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 385 ConstructedInterpolants, 0 QuantifiedInterpolants, 28629 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2567 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 27/27 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...