./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw --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 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 ............................................................................................................................................ 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_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw --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 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:08:59,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:08:59,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:08:59,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:08:59,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:08:59,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:08:59,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:08:59,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:08:59,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:08:59,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:08:59,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:08:59,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:08:59,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:08:59,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:08:59,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:08:59,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:08:59,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:08:59,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:08:59,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:08:59,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:08:59,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:08:59,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:08:59,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:08:59,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:08:59,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:08:59,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:08:59,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:08:59,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:08:59,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:08:59,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:08:59,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:08:59,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:08:59,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:08:59,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:08:59,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:08:59,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:08:59,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:08:59,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:08:59,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:08:59,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:08:59,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:08:59,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:08:59,416 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:08:59,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:08:59,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:08:59,422 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:08:59,422 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:08:59,422 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:08:59,423 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:08:59,423 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:08:59,430 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:08:59,430 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:08:59,431 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:08:59,432 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:08:59,432 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:08:59,432 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:08:59,433 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:08:59,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:08:59,434 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:08:59,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:08:59,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:08:59,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:08:59,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:08:59,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:08:59,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:08:59,436 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:08:59,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:08:59,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:08:59,437 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:08:59,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:08:59,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:08:59,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:08:59,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:08:59,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:08:59,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:08:59,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:08:59,439 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:08:59,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:08:59,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:08:59,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:08:59,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:08:59,441 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_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2021-10-20 06:08:59,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:08:59,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:08:59,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:08:59,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:08:59,738 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:08:59,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-20 06:08:59,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data/b393421bc/d6563ed19a7d4d7cba6d8108db81f7ea/FLAGef8fcd8e0 [2021-10-20 06:09:00,394 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:09:00,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-20 06:09:00,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data/b393421bc/d6563ed19a7d4d7cba6d8108db81f7ea/FLAGef8fcd8e0 [2021-10-20 06:09:00,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data/b393421bc/d6563ed19a7d4d7cba6d8108db81f7ea [2021-10-20 06:09:00,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:09:00,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:09:00,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:09:00,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:09:00,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:09:00,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:09:00" (1/1) ... [2021-10-20 06:09:00,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a7c592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:00, skipping insertion in model container [2021-10-20 06:09:00,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:09:00" (1/1) ... [2021-10-20 06:09:00,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:09:00,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:09:01,038 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_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-10-20 06:09:01,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:09:01,111 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) [2021-10-20 06:09:01,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79cd1089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:01, skipping insertion in model container [2021-10-20 06:09:01,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:09:01,112 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 06:09:01,115 INFO L168 Benchmark]: Toolchain (without parser) took 376.71 ms. Allocated memory is still 98.6 MB. Free memory was 63.8 MB in the beginning and 71.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:09:01,116 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:09:01,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.92 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 71.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:09:01,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 372.92 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 71.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 524]: 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-e943c26 [2021-10-20 06:09:03,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:09:03,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:09:03,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:09:03,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:09:03,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:09:03,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:09:03,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:09:03,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:09:03,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:09:03,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:09:03,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:09:03,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:09:03,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:09:03,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:09:03,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:09:03,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:09:03,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:09:03,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:09:03,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:09:03,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:09:03,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:09:03,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:09:03,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:09:03,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:09:03,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:09:03,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:09:03,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:09:03,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:09:03,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:09:03,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:09:03,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:09:03,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:09:03,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:09:03,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:09:03,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:09:03,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:09:03,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:09:03,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:09:03,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:09:03,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:09:03,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 06:09:03,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:09:03,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:09:03,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:09:03,522 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:09:03,522 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:09:03,522 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:09:03,522 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:09:03,522 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:09:03,522 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:09:03,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:09:03,525 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:09:03,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:09:03,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:09:03,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:09:03,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:09:03,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:09:03,526 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:09:03,526 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 06:09:03,526 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 06:09:03,527 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:09:03,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:09:03,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:09:03,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:09:03,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:09:03,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 06:09:03,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:09:03,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:09:03,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:09:03,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:09:03,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:09:03,529 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 06:09:03,529 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 06:09:03,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:09:03,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:09:03,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:09:03,530 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_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2021-10-20 06:09:03,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:09:03,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:09:03,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:09:03,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:09:03,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:09:03,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-20 06:09:04,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data/6416aed0b/1963024434404a2c9b94df4be1c8cf38/FLAG4b4383265 [2021-10-20 06:09:04,640 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:09:04,644 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-20 06:09:04,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data/6416aed0b/1963024434404a2c9b94df4be1c8cf38/FLAG4b4383265 [2021-10-20 06:09:04,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/data/6416aed0b/1963024434404a2c9b94df4be1c8cf38 [2021-10-20 06:09:04,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:09:04,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:09:04,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:09:04,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:09:04,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:09:04,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:09:04" (1/1) ... [2021-10-20 06:09:04,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422c7b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:04, skipping insertion in model container [2021-10-20 06:09:04,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:09:04" (1/1) ... [2021-10-20 06:09:04,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:09:04,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:09:05,266 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_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-10-20 06:09:05,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:09:05,391 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 06:09:05,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:09:05,461 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_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-10-20 06:09:05,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:09:05,534 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:09:05,592 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_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-10-20 06:09:05,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:09:05,656 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:09:05,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05 WrapperNode [2021-10-20 06:09:05,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:09:05,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:09:05,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:09:05,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:09:05,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:09:05,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:09:05,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:09:05,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:09:05,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:09:05,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:09:05,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:09:05,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:09:05,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (1/1) ... [2021-10-20 06:09:05,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:09:05,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:09:05,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:09:05,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:09:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:09:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 06:09:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:09:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:09:08,138 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:09:08,138 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-20 06:09:08,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:09:08 BoogieIcfgContainer [2021-10-20 06:09:08,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:09:08,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:09:08,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:09:08,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:09:08,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:09:04" (1/3) ... [2021-10-20 06:09:08,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26df86a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:09:08, skipping insertion in model container [2021-10-20 06:09:08,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:09:05" (2/3) ... [2021-10-20 06:09:08,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26df86a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:09:08, skipping insertion in model container [2021-10-20 06:09:08,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:09:08" (3/3) ... [2021-10-20 06:09:08,151 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2021-10-20 06:09:08,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:09:08,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 06:09:08,209 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:09:08,216 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 [2021-10-20 06:09:08,216 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 06:09:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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) [2021-10-20 06:09:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-20 06:09:08,239 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:09:08,240 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:09:08,240 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:09:08,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:09:08,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-20 06:09:08,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:09:08,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049631932] [2021-10-20 06:09:08,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:09:08,264 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:09:08,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:09:08,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:09:08,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 06:09:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:09:08,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 06:09:08,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:09:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:08,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:09:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:08,712 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:09:08,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049631932] [2021-10-20 06:09:08,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049631932] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:09:08,713 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:09:08,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 06:09:08,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507166965] [2021-10-20 06:09:08,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 06:09:08,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:09:08,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 06:09:08,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:09:08,738 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-20 06:09:08,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:09:08,761 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-20 06:09:08,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 06:09:08,762 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-20 06:09:08,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:09:08,772 INFO L225 Difference]: With dead ends: 108 [2021-10-20 06:09:08,772 INFO L226 Difference]: Without dead ends: 53 [2021-10-20 06:09:08,775 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:09:08,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-20 06:09:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-20 06:09:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:09:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-20 06:09:08,814 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-20 06:09:08,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:09:08,815 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-20 06:09:08,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-20 06:09:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-20 06:09:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-20 06:09:08,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:09:08,817 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:09:08,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 06:09:09,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:09:09,036 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:09:09,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:09:09,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-20 06:09:09,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:09:09,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124008271] [2021-10-20 06:09:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:09:09,039 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:09:09,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:09:09,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:09:09,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 06:09:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:09:09,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:09:09,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:09:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:09,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:09:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:09,404 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:09:09,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124008271] [2021-10-20 06:09:09,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124008271] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:09:09,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:09:09,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 06:09:09,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093755902] [2021-10-20 06:09:09,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:09:09,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:09:09,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:09:09,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:09:09,408 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-20 06:09:09,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:09:09,421 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-20 06:09:09,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:09:09,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-10-20 06:09:09,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:09:09,422 INFO L225 Difference]: With dead ends: 53 [2021-10-20 06:09:09,422 INFO L226 Difference]: Without dead ends: 27 [2021-10-20 06:09:09,423 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:09:09,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-20 06:09:09,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-20 06:09:09,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:09:09,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-20 06:09:09,429 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-20 06:09:09,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:09:09,430 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-20 06:09:09,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-20 06:09:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-20 06:09:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-20 06:09:09,431 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:09:09,431 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:09:09,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 06:09:09,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:09:09,645 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:09:09,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:09:09,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-20 06:09:09,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:09:09,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241756413] [2021-10-20 06:09:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:09:09,647 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:09:09,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:09:09,656 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:09:09,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 06:09:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:09:09,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:09:09,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:09:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:10,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:09:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:10,201 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:09:10,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241756413] [2021-10-20 06:09:10,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241756413] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:09:10,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:09:10,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-20 06:09:10,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120323861] [2021-10-20 06:09:10,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 06:09:10,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:09:10,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 06:09:10,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 06:09:10,214 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 5 states, 5 states have (on average 4.4) 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) [2021-10-20 06:09:10,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:09:10,332 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2021-10-20 06:09:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-20 06:09:10,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) 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 22 [2021-10-20 06:09:10,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:09:10,335 INFO L225 Difference]: With dead ends: 109 [2021-10-20 06:09:10,335 INFO L226 Difference]: Without dead ends: 88 [2021-10-20 06:09:10,336 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 67.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-20 06:09:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-20 06:09:10,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-10-20 06:09:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 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) [2021-10-20 06:09:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-10-20 06:09:10,347 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-10-20 06:09:10,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:09:10,348 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-10-20 06:09:10,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) 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) [2021-10-20 06:09:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-10-20 06:09:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-20 06:09:10,349 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:09:10,349 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:09:10,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 06:09:10,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:09:10,560 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:09:10,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:09:10,561 INFO L82 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2021-10-20 06:09:10,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:09:10,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135456999] [2021-10-20 06:09:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:09:10,562 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:09:10,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:09:10,564 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:09:10,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 06:09:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:09:10,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:09:10,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:09:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:10,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:09:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:09:10,985 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:09:10,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135456999] [2021-10-20 06:09:10,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135456999] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:09:10,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:09:10,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 06:09:10,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133875727] [2021-10-20 06:09:10,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 06:09:10,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:09:10,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 06:09:10,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 06:09:10,990 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-10-20 06:09:11,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:09:11,091 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-10-20 06:09:11,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:09:11,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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 23 [2021-10-20 06:09:11,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:09:11,094 INFO L225 Difference]: With dead ends: 130 [2021-10-20 06:09:11,095 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 06:09:11,096 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 06:09:11,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 06:09:11,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 06:09:11,096 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) [2021-10-20 06:09:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 06:09:11,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-20 06:09:11,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:09:11,097 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 06:09:11,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-10-20 06:09:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 06:09:11,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 06:09:11,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:09:11,101 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:09:11,101 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:09:11,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 06:09:11,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:09:11,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 06:09:11,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:09:11,557 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-10-20 06:09:11,557 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 06:09:11,557 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 330) no Hoare annotation was computed. [2021-10-20 06:09:11,558 INFO L853 garLoopResultBuilder]: At program point L169(lines 168 187) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,558 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 169 175) no Hoare annotation was computed. [2021-10-20 06:09:11,558 INFO L853 garLoopResultBuilder]: At program point L169-2(lines 168 187) the Hoare annotation is: false [2021-10-20 06:09:11,558 INFO L853 garLoopResultBuilder]: At program point L169-3(lines 168 187) the Hoare annotation is: false [2021-10-20 06:09:11,559 INFO L853 garLoopResultBuilder]: At program point L450(lines 445 453) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,559 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 445 453) the Hoare annotation is: false [2021-10-20 06:09:11,559 INFO L853 garLoopResultBuilder]: At program point L450-2(lines 445 453) the Hoare annotation is: false [2021-10-20 06:09:11,559 INFO L853 garLoopResultBuilder]: At program point L401(lines 396 404) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,560 INFO L853 garLoopResultBuilder]: At program point L335(lines 286 336) the Hoare annotation is: false [2021-10-20 06:09:11,560 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2021-10-20 06:09:11,560 INFO L853 garLoopResultBuilder]: At program point L353-1(lines 1 860) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,560 INFO L857 garLoopResultBuilder]: For program point L353-2(lines 353 366) no Hoare annotation was computed. [2021-10-20 06:09:11,560 INFO L853 garLoopResultBuilder]: At program point L353-3(lines 1 860) the Hoare annotation is: false [2021-10-20 06:09:11,561 INFO L857 garLoopResultBuilder]: For program point L353-4(lines 353 366) no Hoare annotation was computed. [2021-10-20 06:09:11,561 INFO L853 garLoopResultBuilder]: At program point L353-5(lines 1 860) the Hoare annotation is: false [2021-10-20 06:09:11,561 INFO L857 garLoopResultBuilder]: For program point L288(lines 287 334) no Hoare annotation was computed. [2021-10-20 06:09:11,561 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 441) no Hoare annotation was computed. [2021-10-20 06:09:11,561 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-20 06:09:11,562 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-20 06:09:11,562 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-10-20 06:09:11,562 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 06:09:11,562 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-10-20 06:09:11,563 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-10-20 06:09:11,563 INFO L853 garLoopResultBuilder]: At program point L307-1(lines 307 313) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,563 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-10-20 06:09:11,563 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 357 363) no Hoare annotation was computed. [2021-10-20 06:09:11,563 INFO L857 garLoopResultBuilder]: For program point L357-4(lines 357 363) no Hoare annotation was computed. [2021-10-20 06:09:11,564 INFO L853 garLoopResultBuilder]: At program point L176(lines 176 182) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,564 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 176 182) the Hoare annotation is: false [2021-10-20 06:09:11,564 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 176 182) the Hoare annotation is: false [2021-10-20 06:09:11,564 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-10-20 06:09:11,565 INFO L853 garLoopResultBuilder]: At program point L325-2(lines 169 175) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,565 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 06:09:11,565 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-20 06:09:11,565 INFO L857 garLoopResultBuilder]: For program point L491-1(line 491) no Hoare annotation was computed. [2021-10-20 06:09:11,565 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2021-10-20 06:09:11,566 INFO L857 garLoopResultBuilder]: For program point L491-2(line 491) no Hoare annotation was computed. [2021-10-20 06:09:11,566 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-20 06:09:11,566 INFO L853 garLoopResultBuilder]: At program point L393(lines 1 860) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,566 INFO L853 garLoopResultBuilder]: At program point L228(lines 223 231) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,566 INFO L853 garLoopResultBuilder]: At program point L228-1(lines 223 231) the Hoare annotation is: false [2021-10-20 06:09:11,567 INFO L853 garLoopResultBuilder]: At program point L228-2(lines 223 231) the Hoare annotation is: false [2021-10-20 06:09:11,567 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-20 06:09:11,567 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,567 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 06:09:11,568 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-10-20 06:09:11,568 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2021-10-20 06:09:11,568 INFO L853 garLoopResultBuilder]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:09:11,568 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-20 06:09:11,568 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 169 175) no Hoare annotation was computed. [2021-10-20 06:09:11,569 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 417) no Hoare annotation was computed. [2021-10-20 06:09:11,569 INFO L857 garLoopResultBuilder]: For program point L413-3(lines 413 417) no Hoare annotation was computed. [2021-10-20 06:09:11,569 INFO L857 garLoopResultBuilder]: For program point L413-6(lines 413 417) no Hoare annotation was computed. [2021-10-20 06:09:11,573 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-20 06:09:11,579 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:09:11,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:09:11 BoogieIcfgContainer [2021-10-20 06:09:11,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:09:11,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:09:11,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:09:11,609 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:09:11,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:09:08" (3/4) ... [2021-10-20 06:09:11,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 06:09:11,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 06:09:11,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 06:09:11,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 06:09:11,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 06:09:11,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 06:09:11,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:09:11,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:09:11,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-20 06:09:11,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 06:09:11,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:09:11,734 INFO L168 Benchmark]: Toolchain (without parser) took 6837.73 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 45.7 MB in the beginning and 77.3 MB in the end (delta: -31.6 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-10-20 06:09:11,734 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:09:11,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.55 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 34.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:09:11,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.74 ms. Allocated memory is still 67.1 MB. Free memory was 34.3 MB in the beginning and 31.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:09:11,737 INFO L168 Benchmark]: Boogie Preprocessor took 90.47 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 63.9 MB in the end (delta: -32.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-20 06:09:11,737 INFO L168 Benchmark]: RCFGBuilder took 2298.40 ms. Allocated memory is still 81.8 MB. Free memory was 63.9 MB in the beginning and 41.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-10-20 06:09:11,738 INFO L168 Benchmark]: TraceAbstraction took 3465.44 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 41.7 MB in the beginning and 43.1 MB in the end (delta: -1.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:09:11,738 INFO L168 Benchmark]: Witness Printer took 123.02 ms. Allocated memory is still 100.7 MB. Free memory was 43.1 MB in the beginning and 77.3 MB in the end (delta: -34.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:09:11,740 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 67.1 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 760.55 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 34.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.74 ms. Allocated memory is still 67.1 MB. Free memory was 34.3 MB in the beginning and 31.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.47 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 63.9 MB in the end (delta: -32.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2298.40 ms. Allocated memory is still 81.8 MB. Free memory was 63.9 MB in the beginning and 41.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3465.44 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 41.7 MB in the beginning and 43.1 MB in the end (delta: -1.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Witness Printer took 123.02 ms. Allocated memory is still 100.7 MB. Free memory was 43.1 MB in the beginning and 77.3 MB in the end (delta: -34.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 491]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 491]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 491]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3371.4ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 14.2ms, AutomataDifference: 310.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 254.5ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 217 SDtfs, 228 SDslu, 224 SDs, 0 SdLazy, 33 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 110.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 39.5ms AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 155.0ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 91.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 114.5ms SsaConstructionTime, 534.4ms SatisfiabilityAnalysisTime, 832.7ms InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 7 NumberOfNonLiveVariables, 777 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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: 396]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-20 06:09:11,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670f5b4c-53cc-4de7-a31e-61a2b7dca5aa/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...