./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/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_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG --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 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d ............................................................................................................................................ 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_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/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_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG --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 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:51:51,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:51:51,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:51:51,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:51:51,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:51:51,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:51:51,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:51:51,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:51:51,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:51:51,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:51:51,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:51:51,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:51:51,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:51:51,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:51:51,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:51:51,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:51:51,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:51:51,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:51:51,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:51:51,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:51:51,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:51:51,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:51:51,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:51:51,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:51:51,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:51:51,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:51:51,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:51:51,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:51:51,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:51:51,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:51:51,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:51:51,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:51:51,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:51:51,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:51:51,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:51:51,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:51:51,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:51:51,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:51:51,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:51:51,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:51:51,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:51:51,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:51:51,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:51:51,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:51:51,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:51:51,425 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:51:51,425 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:51:51,425 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:51:51,425 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:51:51,425 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:51:51,426 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:51:51,426 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:51:51,427 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:51:51,427 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:51:51,427 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:51:51,428 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:51:51,428 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:51:51,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:51:51,429 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:51:51,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:51:51,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:51:51,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:51:51,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:51:51,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:51:51,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:51:51,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:51:51,431 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:51:51,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:51:51,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:51:51,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:51:51,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:51:51,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:51:51,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:51:51,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:51:51,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:51:51,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:51:51,434 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:51:51,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:51:51,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:51:51,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:51:51,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:51:51,435 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_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2021-10-29 05:51:51,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:51:51,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:51:51,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:51:51,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:51:51,744 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:51:51,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-29 05:51:51,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data/6ba5b9698/30e5537f3afb4ab5a466ffca5e14e7d3/FLAG9e5671287 [2021-10-29 05:51:52,452 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:51:52,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-29 05:51:52,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data/6ba5b9698/30e5537f3afb4ab5a466ffca5e14e7d3/FLAG9e5671287 [2021-10-29 05:51:52,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data/6ba5b9698/30e5537f3afb4ab5a466ffca5e14e7d3 [2021-10-29 05:51:52,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:51:52,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:51:52,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:52,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:51:52,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:51:52,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:52" (1/1) ... [2021-10-29 05:51:52,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b54127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:52, skipping insertion in model container [2021-10-29 05:51:52,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:52" (1/1) ... [2021-10-29 05:51:52,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:51:52,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:51:53,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-10-29 05:51:53,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:51:53,264 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) [2021-10-29 05:51:53,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29a4c3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:53, skipping insertion in model container [2021-10-29 05:51:53,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:53,266 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:51:53,269 INFO L168 Benchmark]: Toolchain (without parser) took 524.04 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 52.2 MB in the beginning and 103.5 MB in the end (delta: -51.3 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:53,270 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 57.9 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:51:53,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.99 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 52.0 MB in the beginning and 103.5 MB in the end (delta: -51.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:53,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 57.9 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 520.99 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 52.0 MB in the beginning and 103.5 MB in the end (delta: -51.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 125]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:51:55,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:51:55,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:51:55,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:51:55,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:51:55,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:51:55,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:51:55,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:51:55,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:51:55,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:51:55,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:51:55,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:51:55,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:51:55,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:51:55,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:51:55,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:51:55,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:51:55,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:51:55,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:51:55,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:51:55,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:51:55,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:51:55,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:51:55,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:51:55,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:51:55,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:51:55,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:51:55,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:51:55,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:51:55,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:51:55,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:51:55,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:51:55,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:51:55,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:51:55,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:51:55,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:51:55,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:51:55,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:51:55,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:51:55,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:51:55,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:51:55,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:51:55,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:51:55,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:51:55,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:51:55,962 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:51:55,963 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:51:55,963 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:51:55,963 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:51:55,963 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:51:55,963 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:51:55,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:51:55,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:51:55,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:51:55,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:51:55,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:51:55,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:51:55,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:51:55,967 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:51:55,967 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:51:55,967 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:51:55,968 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:51:55,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:51:55,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:51:55,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:51:55,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:51:55,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:51:55,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:51:55,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:51:55,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:51:55,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:51:55,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:51:55,970 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:51:55,970 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:51:55,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:51:55,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:51:55,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:51:55,971 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_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2021-10-29 05:51:56,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:51:56,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:51:56,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:51:56,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:51:56,470 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:51:56,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-29 05:51:56,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data/b530dc3c9/3e7dfde8ccdf44e28ec7be30a180889a/FLAG50addce89 [2021-10-29 05:51:57,307 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:51:57,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-29 05:51:57,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data/b530dc3c9/3e7dfde8ccdf44e28ec7be30a180889a/FLAG50addce89 [2021-10-29 05:51:57,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/data/b530dc3c9/3e7dfde8ccdf44e28ec7be30a180889a [2021-10-29 05:51:57,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:51:57,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:51:57,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:57,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:51:57,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:51:57,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:57" (1/1) ... [2021-10-29 05:51:57,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aca9818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:57, skipping insertion in model container [2021-10-29 05:51:57,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:57" (1/1) ... [2021-10-29 05:51:57,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:51:57,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:51:57,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-10-29 05:51:58,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:51:58,041 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:51:58,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:51:58,074 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-10-29 05:51:58,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:51:58,228 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:51:58,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-10-29 05:51:58,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:51:58,375 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:51:58,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58 WrapperNode [2021-10-29 05:51:58,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:58,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:51:58,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:51:58,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:51:58,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:51:58,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:51:58,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:51:58,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:51:58,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:51:58,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:51:58,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:51:58,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:51:58,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (1/1) ... [2021-10-29 05:51:58,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:51:58,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:51:58,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:51:58,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:51:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:51:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:51:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:51:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:52:01,244 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:52:01,245 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-29 05:52:01,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:52:01 BoogieIcfgContainer [2021-10-29 05:52:01,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:52:01,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:52:01,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:52:01,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:52:01,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:51:57" (1/3) ... [2021-10-29 05:52:01,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a671349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:52:01, skipping insertion in model container [2021-10-29 05:52:01,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:58" (2/3) ... [2021-10-29 05:52:01,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a671349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:52:01, skipping insertion in model container [2021-10-29 05:52:01,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:52:01" (3/3) ... [2021-10-29 05:52:01,258 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2021-10-29 05:52:01,265 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:52:01,265 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:52:01,342 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:52:01,357 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:52:01,358 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:52:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 134 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:52:01,405 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:01,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:01,407 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:01,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:01,414 INFO L85 PathProgramCache]: Analyzing trace with hash -986925596, now seen corresponding path program 1 times [2021-10-29 05:52:01,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:01,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963414839] [2021-10-29 05:52:01,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:01,434 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:01,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:01,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:01,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:52:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:01,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:52:01,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:01,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:01,951 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:01,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963414839] [2021-10-29 05:52:01,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963414839] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:01,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:01,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:52:01,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549887706] [2021-10-29 05:52:01,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:52:01,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:01,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:52:01,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:52:01,991 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 134 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:02,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:02,031 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2021-10-29 05:52:02,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:52:02,033 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:52:02,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:02,046 INFO L225 Difference]: With dead ends: 263 [2021-10-29 05:52:02,047 INFO L226 Difference]: Without dead ends: 131 [2021-10-29 05:52:02,051 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:52:02,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-29 05:52:02,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-29 05:52:02,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.484375) internal successors, (190), 130 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2021-10-29 05:52:02,163 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2021-10-29 05:52:02,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:02,164 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2021-10-29 05:52:02,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:02,164 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2021-10-29 05:52:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:52:02,166 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:02,166 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:02,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:02,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:02,367 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:02,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:02,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1205761565, now seen corresponding path program 1 times [2021-10-29 05:52:02,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:02,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836701118] [2021-10-29 05:52:02,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:02,369 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:02,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:02,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:02,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:52:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:02,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:52:02,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:02,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:02,716 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:02,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836701118] [2021-10-29 05:52:02,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836701118] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:02,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:02,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:52:02,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540011089] [2021-10-29 05:52:02,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:52:02,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:02,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:52:02,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:02,720 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:02,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:02,754 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2021-10-29 05:52:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:52:02,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:52:02,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:02,761 INFO L225 Difference]: With dead ends: 131 [2021-10-29 05:52:02,763 INFO L226 Difference]: Without dead ends: 55 [2021-10-29 05:52:02,765 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:02,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-29 05:52:02,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-29 05:52:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-29 05:52:02,773 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-29 05:52:02,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:02,773 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-29 05:52:02,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-29 05:52:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:52:02,783 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:02,783 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:02,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:02,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:02,984 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:02,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:02,985 INFO L85 PathProgramCache]: Analyzing trace with hash 462208575, now seen corresponding path program 1 times [2021-10-29 05:52:02,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:02,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554236194] [2021-10-29 05:52:02,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:02,986 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:02,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:02,987 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:02,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:52:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:03,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:52:03,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:03,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:03,372 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:03,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554236194] [2021-10-29 05:52:03,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554236194] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:03,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:03,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:52:03,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251480519] [2021-10-29 05:52:03,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:52:03,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:03,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:52:03,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:03,385 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:03,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:03,413 INFO L93 Difference]: Finished difference Result 175 states and 259 transitions. [2021-10-29 05:52:03,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:52:03,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 05:52:03,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:03,415 INFO L225 Difference]: With dead ends: 175 [2021-10-29 05:52:03,415 INFO L226 Difference]: Without dead ends: 127 [2021-10-29 05:52:03,416 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:03,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-29 05:52:03,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 75. [2021-10-29 05:52:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 74 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2021-10-29 05:52:03,431 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 24 [2021-10-29 05:52:03,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:03,432 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2021-10-29 05:52:03,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:03,432 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2021-10-29 05:52:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:52:03,433 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:03,433 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:03,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-29 05:52:03,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:03,652 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:03,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:03,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1540791297, now seen corresponding path program 1 times [2021-10-29 05:52:03,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:03,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655827066] [2021-10-29 05:52:03,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:03,654 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:03,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:03,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:03,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:52:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:03,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:52:03,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:03,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:03,996 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:04,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655827066] [2021-10-29 05:52:04,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655827066] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:04,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:04,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:52:04,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867653699] [2021-10-29 05:52:04,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:52:04,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:04,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:52:04,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:52:04,007 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:04,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:04,078 INFO L93 Difference]: Finished difference Result 165 states and 245 transitions. [2021-10-29 05:52:04,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:52:04,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 05:52:04,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:04,080 INFO L225 Difference]: With dead ends: 165 [2021-10-29 05:52:04,084 INFO L226 Difference]: Without dead ends: 97 [2021-10-29 05:52:04,085 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:52:04,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-10-29 05:52:04,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2021-10-29 05:52:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.446808510638298) internal successors, (136), 94 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 136 transitions. [2021-10-29 05:52:04,110 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 136 transitions. Word has length 26 [2021-10-29 05:52:04,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:04,111 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 136 transitions. [2021-10-29 05:52:04,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2021-10-29 05:52:04,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 05:52:04,112 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:04,112 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:04,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:04,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:04,313 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:04,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:04,313 INFO L85 PathProgramCache]: Analyzing trace with hash 783716552, now seen corresponding path program 1 times [2021-10-29 05:52:04,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:04,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630573426] [2021-10-29 05:52:04,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:04,315 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:04,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:04,315 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:04,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:52:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:04,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:52:04,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:04,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:04,782 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:04,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630573426] [2021-10-29 05:52:04,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630573426] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:04,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:04,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:52:04,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231758169] [2021-10-29 05:52:04,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:52:04,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:04,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:52:04,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:52:04,787 INFO L87 Difference]: Start difference. First operand 95 states and 136 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:04,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:04,968 INFO L93 Difference]: Finished difference Result 447 states and 651 transitions. [2021-10-29 05:52:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:52:04,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-29 05:52:04,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:04,973 INFO L225 Difference]: With dead ends: 447 [2021-10-29 05:52:04,973 INFO L226 Difference]: Without dead ends: 359 [2021-10-29 05:52:04,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:52:04,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-10-29 05:52:05,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 172. [2021-10-29 05:52:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4210526315789473) internal successors, (243), 171 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 243 transitions. [2021-10-29 05:52:05,009 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 243 transitions. Word has length 27 [2021-10-29 05:52:05,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:05,010 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 243 transitions. [2021-10-29 05:52:05,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 243 transitions. [2021-10-29 05:52:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 05:52:05,012 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:05,012 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:05,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:05,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:05,235 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:05,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:05,236 INFO L85 PathProgramCache]: Analyzing trace with hash -650428608, now seen corresponding path program 1 times [2021-10-29 05:52:05,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:05,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936693094] [2021-10-29 05:52:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:05,238 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:05,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:05,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:05,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:52:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:05,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:52:05,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:05,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:05,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:05,724 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:05,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936693094] [2021-10-29 05:52:05,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936693094] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:05,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:05,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:52:05,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324814266] [2021-10-29 05:52:05,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:52:05,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:05,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:52:05,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:52:05,726 INFO L87 Difference]: Start difference. First operand 172 states and 243 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:05,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:05,957 INFO L93 Difference]: Finished difference Result 643 states and 913 transitions. [2021-10-29 05:52:05,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:52:05,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-29 05:52:05,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:05,961 INFO L225 Difference]: With dead ends: 643 [2021-10-29 05:52:05,962 INFO L226 Difference]: Without dead ends: 478 [2021-10-29 05:52:05,963 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:52:05,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2021-10-29 05:52:06,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 170. [2021-10-29 05:52:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.4023668639053255) internal successors, (237), 169 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:06,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2021-10-29 05:52:06,015 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 28 [2021-10-29 05:52:06,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:06,015 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2021-10-29 05:52:06,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2021-10-29 05:52:06,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:52:06,025 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:06,025 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:06,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:06,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:06,234 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:06,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:06,235 INFO L85 PathProgramCache]: Analyzing trace with hash -862410324, now seen corresponding path program 1 times [2021-10-29 05:52:06,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:06,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194168660] [2021-10-29 05:52:06,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:06,237 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:06,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:06,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:06,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:52:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:06,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:52:06,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:06,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:06,720 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:06,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194168660] [2021-10-29 05:52:06,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194168660] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:06,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:06,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:52:06,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706752531] [2021-10-29 05:52:06,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:52:06,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:06,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:52:06,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:52:06,723 INFO L87 Difference]: Start difference. First operand 170 states and 237 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:06,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:06,833 INFO L93 Difference]: Finished difference Result 495 states and 685 transitions. [2021-10-29 05:52:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:52:06,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 05:52:06,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:06,836 INFO L225 Difference]: With dead ends: 495 [2021-10-29 05:52:06,836 INFO L226 Difference]: Without dead ends: 332 [2021-10-29 05:52:06,837 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:52:06,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-10-29 05:52:06,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 182. [2021-10-29 05:52:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3756906077348066) internal successors, (249), 181 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2021-10-29 05:52:06,863 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 36 [2021-10-29 05:52:06,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:06,864 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2021-10-29 05:52:06,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2021-10-29 05:52:06,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:52:06,866 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:06,866 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:06,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:07,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:07,079 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:07,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:07,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1873527574, now seen corresponding path program 1 times [2021-10-29 05:52:07,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:07,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138702480] [2021-10-29 05:52:07,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:07,081 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:07,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:07,082 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:07,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:52:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:07,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:52:07,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:07,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:07,637 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:07,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138702480] [2021-10-29 05:52:07,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138702480] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:07,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:07,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:52:07,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816915119] [2021-10-29 05:52:07,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:52:07,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:07,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:52:07,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:52:07,639 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:07,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:07,734 INFO L93 Difference]: Finished difference Result 529 states and 719 transitions. [2021-10-29 05:52:07,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:52:07,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 05:52:07,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:07,738 INFO L225 Difference]: With dead ends: 529 [2021-10-29 05:52:07,739 INFO L226 Difference]: Without dead ends: 354 [2021-10-29 05:52:07,739 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:52:07,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-10-29 05:52:07,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 190. [2021-10-29 05:52:07,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.3597883597883598) internal successors, (257), 189 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 257 transitions. [2021-10-29 05:52:07,769 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 257 transitions. Word has length 36 [2021-10-29 05:52:07,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:07,769 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 257 transitions. [2021-10-29 05:52:07,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2021-10-29 05:52:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:52:07,771 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:07,771 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:07,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:07,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:07,985 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:07,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:07,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1400371368, now seen corresponding path program 1 times [2021-10-29 05:52:07,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:07,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257359204] [2021-10-29 05:52:07,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:07,987 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:07,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:07,988 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:08,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:52:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:08,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:52:08,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:08,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:08,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:08,575 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:08,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257359204] [2021-10-29 05:52:08,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257359204] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:08,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:08,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:52:08,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956669487] [2021-10-29 05:52:08,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:52:08,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:08,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:52:08,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:08,577 INFO L87 Difference]: Start difference. First operand 190 states and 257 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:08,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:08,686 INFO L93 Difference]: Finished difference Result 604 states and 821 transitions. [2021-10-29 05:52:08,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:52:08,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 05:52:08,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:08,690 INFO L225 Difference]: With dead ends: 604 [2021-10-29 05:52:08,691 INFO L226 Difference]: Without dead ends: 421 [2021-10-29 05:52:08,691 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:52:08,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-29 05:52:08,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 331. [2021-10-29 05:52:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 330 states have (on average 1.3454545454545455) internal successors, (444), 330 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 444 transitions. [2021-10-29 05:52:08,740 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 444 transitions. Word has length 36 [2021-10-29 05:52:08,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:08,740 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 444 transitions. [2021-10-29 05:52:08,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 444 transitions. [2021-10-29 05:52:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 05:52:08,743 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:08,743 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:08,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:08,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:08,957 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:08,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:08,958 INFO L85 PathProgramCache]: Analyzing trace with hash -74107416, now seen corresponding path program 1 times [2021-10-29 05:52:08,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:08,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382080491] [2021-10-29 05:52:08,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:08,959 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:08,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:08,959 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:08,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:52:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:09,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:52:09,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:09,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:52:09,595 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:09,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382080491] [2021-10-29 05:52:09,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382080491] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:09,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:09,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:52:09,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554617407] [2021-10-29 05:52:09,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:52:09,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:09,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:52:09,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:52:09,597 INFO L87 Difference]: Start difference. First operand 331 states and 444 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:13,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:13,468 INFO L93 Difference]: Finished difference Result 1609 states and 2125 transitions. [2021-10-29 05:52:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 05:52:13,469 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-29 05:52:13,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:13,481 INFO L225 Difference]: With dead ends: 1609 [2021-10-29 05:52:13,482 INFO L226 Difference]: Without dead ends: 1285 [2021-10-29 05:52:13,483 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-29 05:52:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2021-10-29 05:52:13,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 331. [2021-10-29 05:52:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 330 states have (on average 1.3212121212121213) internal successors, (436), 330 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 436 transitions. [2021-10-29 05:52:13,548 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 436 transitions. Word has length 37 [2021-10-29 05:52:13,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:13,549 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 436 transitions. [2021-10-29 05:52:13,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 436 transitions. [2021-10-29 05:52:13,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 05:52:13,551 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:52:13,552 INFO L513 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] [2021-10-29 05:52:13,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:13,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:13,766 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:52:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:52:13,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1122601091, now seen corresponding path program 1 times [2021-10-29 05:52:13,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:52:13,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099990237] [2021-10-29 05:52:13,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:52:13,767 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:52:13,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:52:13,768 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:52:13,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:52:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:52:14,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:52:14,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:52:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:52:14,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:52:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:52:14,475 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:52:14,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099990237] [2021-10-29 05:52:14,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099990237] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:52:14,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:52:14,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:52:14,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298942937] [2021-10-29 05:52:14,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:52:14,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:52:14,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:52:14,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:52:14,477 INFO L87 Difference]: Start difference. First operand 331 states and 436 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:16,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:52:16,583 INFO L93 Difference]: Finished difference Result 1279 states and 1676 transitions. [2021-10-29 05:52:16,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 05:52:16,584 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-29 05:52:16,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:52:16,585 INFO L225 Difference]: With dead ends: 1279 [2021-10-29 05:52:16,585 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:52:16,587 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-29 05:52:16,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:52:16,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:52:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:16,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:52:16,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-29 05:52:16,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:52:16,589 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:52:16,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:52:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:52:16,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:52:16,593 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:52:16,594 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:52:16,594 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:52:16,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:52:16,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:52:16,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:52:16,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:16,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:16,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:16,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:16,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:17,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:17,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:18,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:19,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:20,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:20,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:20,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:20,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:20,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:21,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:22,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:52:35,224 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 05:52:35,224 INFO L857 garLoopResultBuilder]: For program point L928(lines 927 974) no Hoare annotation was computed. [2021-10-29 05:52:35,225 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2021-10-29 05:52:35,226 INFO L853 garLoopResultBuilder]: At program point L698(lines 689 702) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:52:35,226 INFO L853 garLoopResultBuilder]: At program point L698-1(lines 689 702) 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 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-29 05:52:35,226 INFO L853 garLoopResultBuilder]: At program point L698-2(lines 689 702) the Hoare annotation is: false [2021-10-29 05:52:35,226 INFO L853 garLoopResultBuilder]: At program point L698-3(lines 689 702) the Hoare annotation is: false [2021-10-29 05:52:35,226 INFO L853 garLoopResultBuilder]: At program point L698-4(lines 689 702) the Hoare annotation is: false [2021-10-29 05:52:35,226 INFO L853 garLoopResultBuilder]: At program point L698-5(lines 689 702) the Hoare annotation is: false [2021-10-29 05:52:35,226 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 969) no Hoare annotation was computed. [2021-10-29 05:52:35,227 INFO L853 garLoopResultBuilder]: At program point L963-1(lines 714 720) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-29 05:52:35,227 INFO L853 garLoopResultBuilder]: At program point L897(lines 882 900) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:52:35,227 INFO L853 garLoopResultBuilder]: At program point L897-1(lines 882 900) 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 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-29 05:52:35,227 INFO L853 garLoopResultBuilder]: At program point L897-2(lines 882 900) the Hoare annotation is: false [2021-10-29 05:52:35,227 INFO L853 garLoopResultBuilder]: At program point L897-3(lines 882 900) the Hoare annotation is: false [2021-10-29 05:52:35,228 INFO L853 garLoopResultBuilder]: At program point L897-4(lines 882 900) the Hoare annotation is: false [2021-10-29 05:52:35,228 INFO L853 garLoopResultBuilder]: At program point L897-5(lines 882 900) the Hoare annotation is: false [2021-10-29 05:52:35,228 INFO L853 garLoopResultBuilder]: At program point L567(lines 563 569) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:52:35,228 INFO L860 garLoopResultBuilder]: At program point L601(lines 582 604) the Hoare annotation is: true [2021-10-29 05:52:35,228 INFO L853 garLoopResultBuilder]: At program point L833(lines 826 836) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1))) [2021-10-29 05:52:35,229 INFO L853 garLoopResultBuilder]: At program point L833-1(lines 826 836) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:52:35,229 INFO L853 garLoopResultBuilder]: At program point L833-2(lines 826 836) 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 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2))) [2021-10-29 05:52:35,229 INFO L853 garLoopResultBuilder]: At program point L833-3(lines 826 836) the Hoare annotation is: false [2021-10-29 05:52:35,229 INFO L853 garLoopResultBuilder]: At program point L833-4(lines 826 836) the Hoare annotation is: false [2021-10-29 05:52:35,229 INFO L853 garLoopResultBuilder]: At program point L833-5(lines 826 836) the Hoare annotation is: false [2021-10-29 05:52:35,230 INFO L853 garLoopResultBuilder]: At program point L833-6(lines 826 836) the Hoare annotation is: false [2021-10-29 05:52:35,230 INFO L853 garLoopResultBuilder]: At program point L833-7(lines 826 836) the Hoare annotation is: false [2021-10-29 05:52:35,230 INFO L853 garLoopResultBuilder]: At program point L833-8(lines 826 836) the Hoare annotation is: false [2021-10-29 05:52:35,230 INFO L853 garLoopResultBuilder]: At program point L471(lines 466 473) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:52:35,231 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 05:52:35,231 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2021-10-29 05:52:35,231 INFO L853 garLoopResultBuilder]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse5) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 05:52:35,231 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 789) no Hoare annotation was computed. [2021-10-29 05:52:35,231 INFO L857 garLoopResultBuilder]: For program point L772-1(lines 772 789) no Hoare annotation was computed. [2021-10-29 05:52:35,232 INFO L857 garLoopResultBuilder]: For program point L772-2(lines 772 789) no Hoare annotation was computed. [2021-10-29 05:52:35,232 INFO L857 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-10-29 05:52:35,232 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2021-10-29 05:52:35,232 INFO L853 garLoopResultBuilder]: At program point L905-1(lines 905 911) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-29 05:52:35,232 INFO L857 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2021-10-29 05:52:35,232 INFO L857 garLoopResultBuilder]: For program point L808-2(lines 808 814) no Hoare annotation was computed. [2021-10-29 05:52:35,233 INFO L857 garLoopResultBuilder]: For program point L808-4(lines 808 814) no Hoare annotation was computed. [2021-10-29 05:52:35,233 INFO L857 garLoopResultBuilder]: For program point L808-6(lines 808 814) no Hoare annotation was computed. [2021-10-29 05:52:35,233 INFO L857 garLoopResultBuilder]: For program point L808-8(lines 808 814) no Hoare annotation was computed. [2021-10-29 05:52:35,233 INFO L857 garLoopResultBuilder]: For program point L808-10(lines 808 814) no Hoare annotation was computed. [2021-10-29 05:52:35,233 INFO L853 garLoopResultBuilder]: At program point L842(lines 837 845) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:52:35,234 INFO L853 garLoopResultBuilder]: At program point L842-1(lines 837 845) the Hoare annotation is: false [2021-10-29 05:52:35,234 INFO L857 garLoopResultBuilder]: For program point L776(lines 776 784) no Hoare annotation was computed. [2021-10-29 05:52:35,234 INFO L853 garLoopResultBuilder]: At program point L842-2(lines 837 845) the Hoare annotation is: false [2021-10-29 05:52:35,234 INFO L857 garLoopResultBuilder]: For program point L776-1(lines 776 784) no Hoare annotation was computed. [2021-10-29 05:52:35,234 INFO L857 garLoopResultBuilder]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2021-10-29 05:52:35,235 INFO L853 garLoopResultBuilder]: At program point L975(lines 926 976) the Hoare annotation is: false [2021-10-29 05:52:35,235 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 982) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:52:35,235 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 763) no Hoare annotation was computed. [2021-10-29 05:52:35,235 INFO L857 garLoopResultBuilder]: For program point L746-1(lines 746 763) no Hoare annotation was computed. [2021-10-29 05:52:35,235 INFO L857 garLoopResultBuilder]: For program point L746-2(lines 746 763) no Hoare annotation was computed. [2021-10-29 05:52:35,235 INFO L857 garLoopResultBuilder]: For program point L746-3(lines 746 763) no Hoare annotation was computed. [2021-10-29 05:52:35,236 INFO L857 garLoopResultBuilder]: For program point L746-4(lines 746 763) no Hoare annotation was computed. [2021-10-29 05:52:35,236 INFO L857 garLoopResultBuilder]: For program point L746-5(lines 746 763) no Hoare annotation was computed. [2021-10-29 05:52:35,236 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 499) no Hoare annotation was computed. [2021-10-29 05:52:35,236 INFO L853 garLoopResultBuilder]: At program point L482-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse5) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 05:52:35,236 INFO L857 garLoopResultBuilder]: For program point L482-2(lines 482 499) no Hoare annotation was computed. [2021-10-29 05:52:35,236 INFO L853 garLoopResultBuilder]: At program point L482-3(lines 1 982) the Hoare annotation is: false [2021-10-29 05:52:35,237 INFO L857 garLoopResultBuilder]: For program point L482-4(lines 482 499) no Hoare annotation was computed. [2021-10-29 05:52:35,237 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:52:35,237 INFO L853 garLoopResultBuilder]: At program point L482-5(lines 1 982) the Hoare annotation is: false [2021-10-29 05:52:35,237 INFO L853 garLoopResultBuilder]: At program point L714(lines 713 732) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-29 05:52:35,237 INFO L857 garLoopResultBuilder]: For program point L714-1(lines 714 720) no Hoare annotation was computed. [2021-10-29 05:52:35,238 INFO L853 garLoopResultBuilder]: At program point L714-2(lines 713 732) the Hoare annotation is: false [2021-10-29 05:52:35,238 INFO L853 garLoopResultBuilder]: At program point L714-3(lines 713 732) the Hoare annotation is: false [2021-10-29 05:52:35,238 INFO L853 garLoopResultBuilder]: At program point L516-2(lines 516 530) the Hoare annotation is: false [2021-10-29 05:52:35,238 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-29 05:52:35,238 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-29 05:52:35,238 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-29 05:52:35,239 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2021-10-29 05:52:35,239 INFO L857 garLoopResultBuilder]: For program point L616-3(lines 616 620) no Hoare annotation was computed. [2021-10-29 05:52:35,239 INFO L857 garLoopResultBuilder]: For program point L517(line 517) no Hoare annotation was computed. [2021-10-29 05:52:35,239 INFO L857 garLoopResultBuilder]: For program point L616-6(lines 616 620) no Hoare annotation was computed. [2021-10-29 05:52:35,239 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2021-10-29 05:52:35,239 INFO L853 garLoopResultBuilder]: At program point L947-1(lines 947 953) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-29 05:52:35,239 INFO L857 garLoopResultBuilder]: For program point L750(lines 750 758) no Hoare annotation was computed. [2021-10-29 05:52:35,239 INFO L857 garLoopResultBuilder]: For program point L750-1(lines 750 758) no Hoare annotation was computed. [2021-10-29 05:52:35,239 INFO L857 garLoopResultBuilder]: For program point L750-2(lines 750 758) no Hoare annotation was computed. [2021-10-29 05:52:35,240 INFO L857 garLoopResultBuilder]: For program point L750-3(lines 750 758) no Hoare annotation was computed. [2021-10-29 05:52:35,240 INFO L857 garLoopResultBuilder]: For program point L750-4(lines 750 758) no Hoare annotation was computed. [2021-10-29 05:52:35,240 INFO L857 garLoopResultBuilder]: For program point L750-5(lines 750 758) no Hoare annotation was computed. [2021-10-29 05:52:35,240 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 496) no Hoare annotation was computed. [2021-10-29 05:52:35,240 INFO L857 garLoopResultBuilder]: For program point L486-2(lines 486 496) no Hoare annotation was computed. [2021-10-29 05:52:35,240 INFO L857 garLoopResultBuilder]: For program point L486-4(lines 486 496) no Hoare annotation was computed. [2021-10-29 05:52:35,240 INFO L857 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2021-10-29 05:52:35,240 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 493) no Hoare annotation was computed. [2021-10-29 05:52:35,240 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 714 720) no Hoare annotation was computed. [2021-10-29 05:52:35,241 INFO L857 garLoopResultBuilder]: For program point L487-2(lines 487 493) no Hoare annotation was computed. [2021-10-29 05:52:35,241 INFO L857 garLoopResultBuilder]: For program point L487-4(lines 487 493) no Hoare annotation was computed. [2021-10-29 05:52:35,241 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:52:35,241 INFO L853 garLoopResultBuilder]: At program point L653(lines 648 656) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-29 05:52:35,241 INFO L853 garLoopResultBuilder]: At program point L653-1(lines 648 656) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:52:35,241 INFO L853 garLoopResultBuilder]: At program point L653-2(lines 648 656) 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 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2))) [2021-10-29 05:52:35,241 INFO L853 garLoopResultBuilder]: At program point L653-3(lines 648 656) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 05:52:35,241 INFO L853 garLoopResultBuilder]: At program point L653-4(lines 648 656) the Hoare annotation is: false [2021-10-29 05:52:35,241 INFO L853 garLoopResultBuilder]: At program point L653-5(lines 648 656) the Hoare annotation is: false [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L653-6(lines 648 656) the Hoare annotation is: false [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L653-7(lines 648 656) the Hoare annotation is: false [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L653-8(lines 648 656) the Hoare annotation is: false [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L653-9(lines 648 656) the Hoare annotation is: false [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L653-10(lines 648 656) the Hoare annotation is: false [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L653-11(lines 648 656) the Hoare annotation is: false [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L721(lines 721 727) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse2 .cse1))) [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L721-1(lines 721 727) the Hoare annotation is: false [2021-10-29 05:52:35,242 INFO L853 garLoopResultBuilder]: At program point L721-2(lines 721 727) the Hoare annotation is: false [2021-10-29 05:52:35,242 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:52:35,243 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 599) no Hoare annotation was computed. [2021-10-29 05:52:35,243 INFO L860 garLoopResultBuilder]: At program point L592-1(lines 592 599) the Hoare annotation is: true [2021-10-29 05:52:35,243 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:52:35,243 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 970) no Hoare annotation was computed. [2021-10-29 05:52:35,243 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,243 INFO L857 garLoopResultBuilder]: For program point L891-2(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,243 INFO L857 garLoopResultBuilder]: For program point L891-3(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,243 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 05:52:35,243 INFO L857 garLoopResultBuilder]: For program point L891-5(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,244 INFO L857 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2021-10-29 05:52:35,244 INFO L857 garLoopResultBuilder]: For program point L891-6(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,244 INFO L857 garLoopResultBuilder]: For program point L693-1(lines 693 699) no Hoare annotation was computed. [2021-10-29 05:52:35,244 INFO L857 garLoopResultBuilder]: For program point L693-2(lines 693 699) no Hoare annotation was computed. [2021-10-29 05:52:35,244 INFO L857 garLoopResultBuilder]: For program point L891-8(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,244 INFO L857 garLoopResultBuilder]: For program point L693-3(lines 693 699) no Hoare annotation was computed. [2021-10-29 05:52:35,245 INFO L857 garLoopResultBuilder]: For program point L891-9(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,245 INFO L857 garLoopResultBuilder]: For program point L693-4(lines 693 699) no Hoare annotation was computed. [2021-10-29 05:52:35,245 INFO L857 garLoopResultBuilder]: For program point L891-11(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,245 INFO L857 garLoopResultBuilder]: For program point L693-5(lines 693 699) no Hoare annotation was computed. [2021-10-29 05:52:35,245 INFO L857 garLoopResultBuilder]: For program point L891-12(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,245 INFO L857 garLoopResultBuilder]: For program point L891-14(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,246 INFO L857 garLoopResultBuilder]: For program point L891-15(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,246 INFO L857 garLoopResultBuilder]: For program point L891-17(lines 891 895) no Hoare annotation was computed. [2021-10-29 05:52:35,246 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 632) no Hoare annotation was computed. [2021-10-29 05:52:35,249 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:52:35,251 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:52:35,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:52:35 BoogieIcfgContainer [2021-10-29 05:52:35,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:52:35,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:52:35,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:52:35,286 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:52:35,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:52:01" (3/4) ... [2021-10-29 05:52:35,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:52:35,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:52:35,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:52:35,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:52:35,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:52:35,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:52:35,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:52:35,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:52:35,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:52:35,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:52:35,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) [2021-10-29 05:52:35,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:52:35,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) [2021-10-29 05:52:35,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-29 05:52:35,358 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:52:35,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 05:52:35,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 05:52:35,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 05:52:35,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 05:52:35,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 05:52:35,365 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 05:52:35,429 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:52:35,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:52:35,431 INFO L168 Benchmark]: Toolchain (without parser) took 37897.84 ms. Allocated memory was 65.0 MB in the beginning and 237.0 MB in the end (delta: 172.0 MB). Free memory was 47.1 MB in the beginning and 157.8 MB in the end (delta: -110.7 MB). Peak memory consumption was 63.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:35,432 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory was 46.2 MB in the beginning and 46.1 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:52:35,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.99 ms. Allocated memory is still 65.0 MB. Free memory was 46.9 MB in the beginning and 40.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:35,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.33 ms. Allocated memory is still 65.0 MB. Free memory was 40.5 MB in the beginning and 36.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:35,433 INFO L168 Benchmark]: Boogie Preprocessor took 55.48 ms. Allocated memory is still 65.0 MB. Free memory was 36.4 MB in the beginning and 33.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:35,434 INFO L168 Benchmark]: RCFGBuilder took 2692.23 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 33.5 MB in the beginning and 67.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:35,434 INFO L168 Benchmark]: TraceAbstraction took 34034.98 ms. Allocated memory was 90.2 MB in the beginning and 237.0 MB in the end (delta: 146.8 MB). Free memory was 66.9 MB in the beginning and 169.3 MB in the end (delta: -102.4 MB). Peak memory consumption was 144.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:35,435 INFO L168 Benchmark]: Witness Printer took 144.41 ms. Allocated memory is still 237.0 MB. Free memory was 169.3 MB in the beginning and 157.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:52:35,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory was 46.2 MB in the beginning and 46.1 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 838.99 ms. Allocated memory is still 65.0 MB. Free memory was 46.9 MB in the beginning and 40.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 121.33 ms. Allocated memory is still 65.0 MB. Free memory was 40.5 MB in the beginning and 36.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.48 ms. Allocated memory is still 65.0 MB. Free memory was 36.4 MB in the beginning and 33.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2692.23 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 33.5 MB in the beginning and 67.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34034.98 ms. Allocated memory was 90.2 MB in the beginning and 237.0 MB in the end (delta: 146.8 MB). Free memory was 66.9 MB in the beginning and 169.3 MB in the end (delta: -102.4 MB). Peak memory consumption was 144.2 MB. Max. memory is 16.1 GB. * Witness Printer took 144.41 ms. Allocated memory is still 237.0 MB. Free memory was 169.3 MB in the beginning and 157.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 33.9s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1406 SDtfs, 2251 SDslu, 3870 SDs, 0 SdLazy, 481 SolverSat, 93 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 718 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred in iteration=9, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1907 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 488 NumberOfFragments, 710 HoareAnnotationTreeSize, 57 FomulaSimplifications, 4773182 FormulaSimplificationTreeSizeReduction, 5.8s HoareSimplificationTime, 57 FomulaSimplificationsInter, 2428051 FormulaSimplificationTreeSizeReductionInter, 12.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 1106 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2324 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:52:35,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4605a445-f58d-4bb4-bb50-0d9f48975424/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...